interview methods of research

Chapter 11. Interviewing

Introduction.

Interviewing people is at the heart of qualitative research. It is not merely a way to collect data but an intrinsically rewarding activity—an interaction between two people that holds the potential for greater understanding and interpersonal development. Unlike many of our daily interactions with others that are fairly shallow and mundane, sitting down with a person for an hour or two and really listening to what they have to say is a profound and deep enterprise, one that can provide not only “data” for you, the interviewer, but also self-understanding and a feeling of being heard for the interviewee. I always approach interviewing with a deep appreciation for the opportunity it gives me to understand how other people experience the world. That said, there is not one kind of interview but many, and some of these are shallower than others. This chapter will provide you with an overview of interview techniques but with a special focus on the in-depth semistructured interview guide approach, which is the approach most widely used in social science research.

An interview can be variously defined as “a conversation with a purpose” ( Lune and Berg 2018 ) and an attempt to understand the world from the point of view of the person being interviewed: “to unfold the meaning of peoples’ experiences, to uncover their lived world prior to scientific explanations” ( Kvale 2007 ). It is a form of active listening in which the interviewer steers the conversation to subjects and topics of interest to their research but also manages to leave enough space for those interviewed to say surprising things. Achieving that balance is a tricky thing, which is why most practitioners believe interviewing is both an art and a science. In my experience as a teacher, there are some students who are “natural” interviewers (often they are introverts), but anyone can learn to conduct interviews, and everyone, even those of us who have been doing this for years, can improve their interviewing skills. This might be a good time to highlight the fact that the interview is a product between interviewer and interviewee and that this product is only as good as the rapport established between the two participants. Active listening is the key to establishing this necessary rapport.

Patton ( 2002 ) makes the argument that we use interviews because there are certain things that are not observable. In particular, “we cannot observe feelings, thoughts, and intentions. We cannot observe behaviors that took place at some previous point in time. We cannot observe situations that preclude the presence of an observer. We cannot observe how people have organized the world and the meanings they attach to what goes on in the world. We have to ask people questions about those things” ( 341 ).

Types of Interviews

There are several distinct types of interviews. Imagine a continuum (figure 11.1). On one side are unstructured conversations—the kind you have with your friends. No one is in control of those conversations, and what you talk about is often random—whatever pops into your head. There is no secret, underlying purpose to your talking—if anything, the purpose is to talk to and engage with each other, and the words you use and the things you talk about are a little beside the point. An unstructured interview is a little like this informal conversation, except that one of the parties to the conversation (you, the researcher) does have an underlying purpose, and that is to understand the other person. You are not friends speaking for no purpose, but it might feel just as unstructured to the “interviewee” in this scenario. That is one side of the continuum. On the other side are fully structured and standardized survey-type questions asked face-to-face. Here it is very clear who is asking the questions and who is answering them. This doesn’t feel like a conversation at all! A lot of people new to interviewing have this ( erroneously !) in mind when they think about interviews as data collection. Somewhere in the middle of these two extreme cases is the “ semistructured” interview , in which the researcher uses an “interview guide” to gently move the conversation to certain topics and issues. This is the primary form of interviewing for qualitative social scientists and will be what I refer to as interviewing for the rest of this chapter, unless otherwise specified.

Types of Interviewing Questions: Unstructured conversations, Semi-structured interview, Structured interview, Survey questions

Informal (unstructured conversations). This is the most “open-ended” approach to interviewing. It is particularly useful in conjunction with observational methods (see chapters 13 and 14). There are no predetermined questions. Each interview will be different. Imagine you are researching the Oregon Country Fair, an annual event in Veneta, Oregon, that includes live music, artisan craft booths, face painting, and a lot of people walking through forest paths. It’s unlikely that you will be able to get a person to sit down with you and talk intensely about a set of questions for an hour and a half. But you might be able to sidle up to several people and engage with them about their experiences at the fair. You might have a general interest in what attracts people to these events, so you could start a conversation by asking strangers why they are here or why they come back every year. That’s it. Then you have a conversation that may lead you anywhere. Maybe one person tells a long story about how their parents brought them here when they were a kid. A second person talks about how this is better than Burning Man. A third person shares their favorite traveling band. And yet another enthuses about the public library in the woods. During your conversations, you also talk about a lot of other things—the weather, the utilikilts for sale, the fact that a favorite food booth has disappeared. It’s all good. You may not be able to record these conversations. Instead, you might jot down notes on the spot and then, when you have the time, write down as much as you can remember about the conversations in long fieldnotes. Later, you will have to sit down with these fieldnotes and try to make sense of all the information (see chapters 18 and 19).

Interview guide ( semistructured interview ). This is the primary type employed by social science qualitative researchers. The researcher creates an “interview guide” in advance, which she uses in every interview. In theory, every person interviewed is asked the same questions. In practice, every person interviewed is asked mostly the same topics but not always the same questions, as the whole point of a “guide” is that it guides the direction of the conversation but does not command it. The guide is typically between five and ten questions or question areas, sometimes with suggested follow-ups or prompts . For example, one question might be “What was it like growing up in Eastern Oregon?” with prompts such as “Did you live in a rural area? What kind of high school did you attend?” to help the conversation develop. These interviews generally take place in a quiet place (not a busy walkway during a festival) and are recorded. The recordings are transcribed, and those transcriptions then become the “data” that is analyzed (see chapters 18 and 19). The conventional length of one of these types of interviews is between one hour and two hours, optimally ninety minutes. Less than one hour doesn’t allow for much development of questions and thoughts, and two hours (or more) is a lot of time to ask someone to sit still and answer questions. If you have a lot of ground to cover, and the person is willing, I highly recommend two separate interview sessions, with the second session being slightly shorter than the first (e.g., ninety minutes the first day, sixty minutes the second). There are lots of good reasons for this, but the most compelling one is that this allows you to listen to the first day’s recording and catch anything interesting you might have missed in the moment and so develop follow-up questions that can probe further. This also allows the person being interviewed to have some time to think about the issues raised in the interview and go a little deeper with their answers.

Standardized questionnaire with open responses ( structured interview ). This is the type of interview a lot of people have in mind when they hear “interview”: a researcher comes to your door with a clipboard and proceeds to ask you a series of questions. These questions are all the same whoever answers the door; they are “standardized.” Both the wording and the exact order are important, as people’s responses may vary depending on how and when a question is asked. These are qualitative only in that the questions allow for “open-ended responses”: people can say whatever they want rather than select from a predetermined menu of responses. For example, a survey I collaborated on included this open-ended response question: “How does class affect one’s career success in sociology?” Some of the answers were simply one word long (e.g., “debt”), and others were long statements with stories and personal anecdotes. It is possible to be surprised by the responses. Although it’s a stretch to call this kind of questioning a conversation, it does allow the person answering the question some degree of freedom in how they answer.

Survey questionnaire with closed responses (not an interview!). Standardized survey questions with specific answer options (e.g., closed responses) are not really interviews at all, and they do not generate qualitative data. For example, if we included five options for the question “How does class affect one’s career success in sociology?”—(1) debt, (2) social networks, (3) alienation, (4) family doesn’t understand, (5) type of grad program—we leave no room for surprises at all. Instead, we would most likely look at patterns around these responses, thinking quantitatively rather than qualitatively (e.g., using regression analysis techniques, we might find that working-class sociologists were twice as likely to bring up alienation). It can sometimes be confusing for new students because the very same survey can include both closed-ended and open-ended questions. The key is to think about how these will be analyzed and to what level surprises are possible. If your plan is to turn all responses into a number and make predictions about correlations and relationships, you are no longer conducting qualitative research. This is true even if you are conducting this survey face-to-face with a real live human. Closed-response questions are not conversations of any kind, purposeful or not.

In summary, the semistructured interview guide approach is the predominant form of interviewing for social science qualitative researchers because it allows a high degree of freedom of responses from those interviewed (thus allowing for novel discoveries) while still maintaining some connection to a research question area or topic of interest. The rest of the chapter assumes the employment of this form.

Creating an Interview Guide

Your interview guide is the instrument used to bridge your research question(s) and what the people you are interviewing want to tell you. Unlike a standardized questionnaire, the questions actually asked do not need to be exactly what you have written down in your guide. The guide is meant to create space for those you are interviewing to talk about the phenomenon of interest, but sometimes you are not even sure what that phenomenon is until you start asking questions. A priority in creating an interview guide is to ensure it offers space. One of the worst mistakes is to create questions that are so specific that the person answering them will not stray. Relatedly, questions that sound “academic” will shut down a lot of respondents. A good interview guide invites respondents to talk about what is important to them, not feel like they are performing or being evaluated by you.

Good interview questions should not sound like your “research question” at all. For example, let’s say your research question is “How do patriarchal assumptions influence men’s understanding of climate change and responses to climate change?” It would be worse than unhelpful to ask a respondent, “How do your assumptions about the role of men affect your understanding of climate change?” You need to unpack this into manageable nuggets that pull your respondent into the area of interest without leading him anywhere. You could start by asking him what he thinks about climate change in general. Or, even better, whether he has any concerns about heatwaves or increased tornadoes or polar icecaps melting. Once he starts talking about that, you can ask follow-up questions that bring in issues around gendered roles, perhaps asking if he is married (to a woman) and whether his wife shares his thoughts and, if not, how they negotiate that difference. The fact is, you won’t really know the right questions to ask until he starts talking.

There are several distinct types of questions that can be used in your interview guide, either as main questions or as follow-up probes. If you remember that the point is to leave space for the respondent, you will craft a much more effective interview guide! You will also want to think about the place of time in both the questions themselves (past, present, future orientations) and the sequencing of the questions.

Researcher Note

Suggestion : As you read the next three sections (types of questions, temporality, question sequence), have in mind a particular research question, and try to draft questions and sequence them in a way that opens space for a discussion that helps you answer your research question.

Type of Questions

Experience and behavior questions ask about what a respondent does regularly (their behavior) or has done (their experience). These are relatively easy questions for people to answer because they appear more “factual” and less subjective. This makes them good opening questions. For the study on climate change above, you might ask, “Have you ever experienced an unusual weather event? What happened?” Or “You said you work outside? What is a typical summer workday like for you? How do you protect yourself from the heat?”

Opinion and values questions , in contrast, ask questions that get inside the minds of those you are interviewing. “Do you think climate change is real? Who or what is responsible for it?” are two such questions. Note that you don’t have to literally ask, “What is your opinion of X?” but you can find a way to ask the specific question relevant to the conversation you are having. These questions are a bit trickier to ask because the answers you get may depend in part on how your respondent perceives you and whether they want to please you or not. We’ve talked a fair amount about being reflective. Here is another place where this comes into play. You need to be aware of the effect your presence might have on the answers you are receiving and adjust accordingly. If you are a woman who is perceived as liberal asking a man who identifies as conservative about climate change, there is a lot of subtext that can be going on in the interview. There is no one right way to resolve this, but you must at least be aware of it.

Feeling questions are questions that ask respondents to draw on their emotional responses. It’s pretty common for academic researchers to forget that we have bodies and emotions, but people’s understandings of the world often operate at this affective level, sometimes unconsciously or barely consciously. It is a good idea to include questions that leave space for respondents to remember, imagine, or relive emotional responses to particular phenomena. “What was it like when you heard your cousin’s house burned down in that wildfire?” doesn’t explicitly use any emotion words, but it allows your respondent to remember what was probably a pretty emotional day. And if they respond emotionally neutral, that is pretty interesting data too. Note that asking someone “How do you feel about X” is not always going to evoke an emotional response, as they might simply turn around and respond with “I think that…” It is better to craft a question that actually pushes the respondent into the affective category. This might be a specific follow-up to an experience and behavior question —for example, “You just told me about your daily routine during the summer heat. Do you worry it is going to get worse?” or “Have you ever been afraid it will be too hot to get your work accomplished?”

Knowledge questions ask respondents what they actually know about something factual. We have to be careful when we ask these types of questions so that respondents do not feel like we are evaluating them (which would shut them down), but, for example, it is helpful to know when you are having a conversation about climate change that your respondent does in fact know that unusual weather events have increased and that these have been attributed to climate change! Asking these questions can set the stage for deeper questions and can ensure that the conversation makes the same kind of sense to both participants. For example, a conversation about political polarization can be put back on track once you realize that the respondent doesn’t really have a clear understanding that there are two parties in the US. Instead of asking a series of questions about Republicans and Democrats, you might shift your questions to talk more generally about political disagreements (e.g., “people against abortion”). And sometimes what you do want to know is the level of knowledge about a particular program or event (e.g., “Are you aware you can discharge your student loans through the Public Service Loan Forgiveness program?”).

Sensory questions call on all senses of the respondent to capture deeper responses. These are particularly helpful in sparking memory. “Think back to your childhood in Eastern Oregon. Describe the smells, the sounds…” Or you could use these questions to help a person access the full experience of a setting they customarily inhabit: “When you walk through the doors to your office building, what do you see? Hear? Smell?” As with feeling questions , these questions often supplement experience and behavior questions . They are another way of allowing your respondent to report fully and deeply rather than remain on the surface.

Creative questions employ illustrative examples, suggested scenarios, or simulations to get respondents to think more deeply about an issue, topic, or experience. There are many options here. In The Trouble with Passion , Erin Cech ( 2021 ) provides a scenario in which “Joe” is trying to decide whether to stay at his decent but boring computer job or follow his passion by opening a restaurant. She asks respondents, “What should Joe do?” Their answers illuminate the attraction of “passion” in job selection. In my own work, I have used a news story about an upwardly mobile young man who no longer has time to see his mother and sisters to probe respondents’ feelings about the costs of social mobility. Jessi Streib and Betsy Leondar-Wright have used single-page cartoon “scenes” to elicit evaluations of potential racial discrimination, sexual harassment, and classism. Barbara Sutton ( 2010 ) has employed lists of words (“strong,” “mother,” “victim”) on notecards she fans out and asks her female respondents to select and discuss.

Background/Demographic Questions

You most definitely will want to know more about the person you are interviewing in terms of conventional demographic information, such as age, race, gender identity, occupation, and educational attainment. These are not questions that normally open up inquiry. [1] For this reason, my practice has been to include a separate “demographic questionnaire” sheet that I ask each respondent to fill out at the conclusion of the interview. Only include those aspects that are relevant to your study. For example, if you are not exploring religion or religious affiliation, do not include questions about a person’s religion on the demographic sheet. See the example provided at the end of this chapter.

Temporality

Any type of question can have a past, present, or future orientation. For example, if you are asking a behavior question about workplace routine, you might ask the respondent to talk about past work, present work, and ideal (future) work. Similarly, if you want to understand how people cope with natural disasters, you might ask your respondent how they felt then during the wildfire and now in retrospect and whether and to what extent they have concerns for future wildfire disasters. It’s a relatively simple suggestion—don’t forget to ask about past, present, and future—but it can have a big impact on the quality of the responses you receive.

Question Sequence

Having a list of good questions or good question areas is not enough to make a good interview guide. You will want to pay attention to the order in which you ask your questions. Even though any one respondent can derail this order (perhaps by jumping to answer a question you haven’t yet asked), a good advance plan is always helpful. When thinking about sequence, remember that your goal is to get your respondent to open up to you and to say things that might surprise you. To establish rapport, it is best to start with nonthreatening questions. Asking about the present is often the safest place to begin, followed by the past (they have to know you a little bit to get there), and lastly, the future (talking about hopes and fears requires the most rapport). To allow for surprises, it is best to move from very general questions to more particular questions only later in the interview. This ensures that respondents have the freedom to bring up the topics that are relevant to them rather than feel like they are constrained to answer you narrowly. For example, refrain from asking about particular emotions until these have come up previously—don’t lead with them. Often, your more particular questions will emerge only during the course of the interview, tailored to what is emerging in conversation.

Once you have a set of questions, read through them aloud and imagine you are being asked the same questions. Does the set of questions have a natural flow? Would you be willing to answer the very first question to a total stranger? Does your sequence establish facts and experiences before moving on to opinions and values? Did you include prefatory statements, where necessary; transitions; and other announcements? These can be as simple as “Hey, we talked a lot about your experiences as a barista while in college.… Now I am turning to something completely different: how you managed friendships in college.” That is an abrupt transition, but it has been softened by your acknowledgment of that.

Probes and Flexibility

Once you have the interview guide, you will also want to leave room for probes and follow-up questions. As in the sample probe included here, you can write out the obvious probes and follow-up questions in advance. You might not need them, as your respondent might anticipate them and include full responses to the original question. Or you might need to tailor them to how your respondent answered the question. Some common probes and follow-up questions include asking for more details (When did that happen? Who else was there?), asking for elaboration (Could you say more about that?), asking for clarification (Does that mean what I think it means or something else? I understand what you mean, but someone else reading the transcript might not), and asking for contrast or comparison (How did this experience compare with last year’s event?). “Probing is a skill that comes from knowing what to look for in the interview, listening carefully to what is being said and what is not said, and being sensitive to the feedback needs of the person being interviewed” ( Patton 2002:374 ). It takes work! And energy. I and many other interviewers I know report feeling emotionally and even physically drained after conducting an interview. You are tasked with active listening and rearranging your interview guide as needed on the fly. If you only ask the questions written down in your interview guide with no deviations, you are doing it wrong. [2]

The Final Question

Every interview guide should include a very open-ended final question that allows for the respondent to say whatever it is they have been dying to tell you but you’ve forgotten to ask. About half the time they are tired too and will tell you they have nothing else to say. But incredibly, some of the most honest and complete responses take place here, at the end of a long interview. You have to realize that the person being interviewed is often discovering things about themselves as they talk to you and that this process of discovery can lead to new insights for them. Making space at the end is therefore crucial. Be sure you convey that you actually do want them to tell you more, that the offer of “anything else?” is not read as an empty convention where the polite response is no. Here is where you can pull from that active listening and tailor the final question to the particular person. For example, “I’ve asked you a lot of questions about what it was like to live through that wildfire. I’m wondering if there is anything I’ve forgotten to ask, especially because I haven’t had that experience myself” is a much more inviting final question than “Great. Anything you want to add?” It’s also helpful to convey to the person that you have the time to listen to their full answer, even if the allotted time is at the end. After all, there are no more questions to ask, so the respondent knows exactly how much time is left. Do them the courtesy of listening to them!

Conducting the Interview

Once you have your interview guide, you are on your way to conducting your first interview. I always practice my interview guide with a friend or family member. I do this even when the questions don’t make perfect sense for them, as it still helps me realize which questions make no sense, are poorly worded (too academic), or don’t follow sequentially. I also practice the routine I will use for interviewing, which goes something like this:

Introduce myself and reintroduce the study
Provide consent form and ask them to sign and retain/return copy
Ask if they have any questions about the study before we begin
Ask if I can begin recording
Ask questions (from interview guide)
Turn off the recording device
Ask if they are willing to fill out my demographic questionnaire
Collect questionnaire and, without looking at the answers, place in same folder as signed consent form
Thank them and depart

A note on remote interviewing: Interviews have traditionally been conducted face-to-face in a private or quiet public setting. You don’t want a lot of background noise, as this will make transcriptions difficult. During the recent global pandemic, many interviewers, myself included, learned the benefits of interviewing remotely. Although face-to-face is still preferable for many reasons, Zoom interviewing is not a bad alternative, and it does allow more interviews across great distances. Zoom also includes automatic transcription, which significantly cuts down on the time it normally takes to convert our conversations into “data” to be analyzed. These automatic transcriptions are not perfect, however, and you will still need to listen to the recording and clarify and clean up the transcription. Nor do automatic transcriptions include notations of body language or change of tone, which you may want to include. When interviewing remotely, you will want to collect the consent form before you meet: ask them to read, sign, and return it as an email attachment. I think it is better to ask for the demographic questionnaire after the interview, but because some respondents may never return it then, it is probably best to ask for this at the same time as the consent form, in advance of the interview.

What should you bring to the interview? I would recommend bringing two copies of the consent form (one for you and one for the respondent), a demographic questionnaire, a manila folder in which to place the signed consent form and filled-out demographic questionnaire, a printed copy of your interview guide (I print with three-inch right margins so I can jot down notes on the page next to relevant questions), a pen, a recording device, and water.

After the interview, you will want to secure the signed consent form in a locked filing cabinet (if in print) or a password-protected folder on your computer. Using Excel or a similar program that allows tables/spreadsheets, create an identifying number for your interview that links to the consent form without using the name of your respondent. For example, let’s say that I conduct interviews with US politicians, and the first person I meet with is George W. Bush. I will assign the transcription the number “INT#001” and add it to the signed consent form. [3] The signed consent form goes into a locked filing cabinet, and I never use the name “George W. Bush” again. I take the information from the demographic sheet, open my Excel spreadsheet, and add the relevant information in separate columns for the row INT#001: White, male, Republican. When I interview Bill Clinton as my second interview, I include a second row: INT#002: White, male, Democrat. And so on. The only link to the actual name of the respondent and this information is the fact that the consent form (unavailable to anyone but me) has stamped on it the interview number.

Many students get very nervous before their first interview. Actually, many of us are always nervous before the interview! But do not worry—this is normal, and it does pass. Chances are, you will be pleasantly surprised at how comfortable it begins to feel. These “purposeful conversations” are often a delight for both participants. This is not to say that sometimes things go wrong. I often have my students practice several “bad scenarios” (e.g., a respondent that you cannot get to open up; a respondent who is too talkative and dominates the conversation, steering it away from the topics you are interested in; emotions that completely take over; or shocking disclosures you are ill-prepared to handle), but most of the time, things go quite well. Be prepared for the unexpected, but know that the reason interviews are so popular as a technique of data collection is that they are usually richly rewarding for both participants.

One thing that I stress to my methods students and remind myself about is that interviews are still conversations between people. If there’s something you might feel uncomfortable asking someone about in a “normal” conversation, you will likely also feel a bit of discomfort asking it in an interview. Maybe more importantly, your respondent may feel uncomfortable. Social research—especially about inequality—can be uncomfortable. And it’s easy to slip into an abstract, intellectualized, or removed perspective as an interviewer. This is one reason trying out interview questions is important. Another is that sometimes the question sounds good in your head but doesn’t work as well out loud in practice. I learned this the hard way when a respondent asked me how I would answer the question I had just posed, and I realized that not only did I not really know how I would answer it, but I also wasn’t quite as sure I knew what I was asking as I had thought.

—Elizabeth M. Lee, Associate Professor of Sociology at Saint Joseph’s University, author of Class and Campus Life , and co-author of Geographies of Campus Inequality

How Many Interviews?

Your research design has included a targeted number of interviews and a recruitment plan (see chapter 5). Follow your plan, but remember that “ saturation ” is your goal. You interview as many people as you can until you reach a point at which you are no longer surprised by what they tell you. This means not that no one after your first twenty interviews will have surprising, interesting stories to tell you but rather that the picture you are forming about the phenomenon of interest to you from a research perspective has come into focus, and none of the interviews are substantially refocusing that picture. That is when you should stop collecting interviews. Note that to know when you have reached this, you will need to read your transcripts as you go. More about this in chapters 18 and 19.

Your Final Product: The Ideal Interview Transcript

A good interview transcript will demonstrate a subtly controlled conversation by the skillful interviewer. In general, you want to see replies that are about one paragraph long, not short sentences and not running on for several pages. Although it is sometimes necessary to follow respondents down tangents, it is also often necessary to pull them back to the questions that form the basis of your research study. This is not really a free conversation, although it may feel like that to the person you are interviewing.

Final Tips from an Interview Master

Annette Lareau is arguably one of the masters of the trade. In Listening to People , she provides several guidelines for good interviews and then offers a detailed example of an interview gone wrong and how it could be addressed (please see the “Further Readings” at the end of this chapter). Here is an abbreviated version of her set of guidelines: (1) interview respondents who are experts on the subjects of most interest to you (as a corollary, don’t ask people about things they don’t know); (2) listen carefully and talk as little as possible; (3) keep in mind what you want to know and why you want to know it; (4) be a proactive interviewer (subtly guide the conversation); (5) assure respondents that there aren’t any right or wrong answers; (6) use the respondent’s own words to probe further (this both allows you to accurately identify what you heard and pushes the respondent to explain further); (7) reuse effective probes (don’t reinvent the wheel as you go—if repeating the words back works, do it again and again); (8) focus on learning the subjective meanings that events or experiences have for a respondent; (9) don’t be afraid to ask a question that draws on your own knowledge (unlike trial lawyers who are trained never to ask a question for which they don’t already know the answer, sometimes it’s worth it to ask risky questions based on your hypotheses or just plain hunches); (10) keep thinking while you are listening (so difficult…and important); (11) return to a theme raised by a respondent if you want further information; (12) be mindful of power inequalities (and never ever coerce a respondent to continue the interview if they want out); (13) take control with overly talkative respondents; (14) expect overly succinct responses, and develop strategies for probing further; (15) balance digging deep and moving on; (16) develop a plan to deflect questions (e.g., let them know you are happy to answer any questions at the end of the interview, but you don’t want to take time away from them now); and at the end, (17) check to see whether you have asked all your questions. You don’t always have to ask everyone the same set of questions, but if there is a big area you have forgotten to cover, now is the time to recover ( Lareau 2021:93–103 ).

Sample: Demographic Questionnaire

ASA Taskforce on First-Generation and Working-Class Persons in Sociology – Class Effects on Career Success

Supplementary Demographic Questionnaire

Thank you for your participation in this interview project. We would like to collect a few pieces of key demographic information from you to supplement our analyses. Your answers to these questions will be kept confidential and stored by ID number. All of your responses here are entirely voluntary!

What best captures your race/ethnicity? (please check any/all that apply)

White (Non Hispanic/Latina/o/x)
Black or African American
Hispanic, Latino/a/x of Spanish
Asian or Asian American
American Indian or Alaska Native
Middle Eastern or North African
Native Hawaiian or Pacific Islander
Other : (Please write in: ________________)

What is your current position?

Grad Student
Full Professor

Please check any and all of the following that apply to you:

I identify as a working-class academic
I was the first in my family to graduate from college
I grew up poor

What best reflects your gender?

Transgender female/Transgender woman
Transgender male/Transgender man
Gender queer/ Gender nonconforming

Anything else you would like us to know about you?

Example: Interview Guide

In this example, follow-up prompts are italicized. Note the sequence of questions. That second question often elicits an entire life history , answering several later questions in advance.

Introduction Script/Question

Thank you for participating in our survey of ASA members who identify as first-generation or working-class. As you may have heard, ASA has sponsored a taskforce on first-generation and working-class persons in sociology and we are interested in hearing from those who so identify. Your participation in this interview will help advance our knowledge in this area.

The first thing we would like to as you is why you have volunteered to be part of this study? What does it mean to you be first-gen or working class? Why were you willing to be interviewed?
How did you decide to become a sociologist?
Can you tell me a little bit about where you grew up? ( prompts: what did your parent(s) do for a living? What kind of high school did you attend?)
Has this identity been salient to your experience? (how? How much?)
How welcoming was your grad program? Your first academic employer?
Why did you decide to pursue sociology at the graduate level?
Did you experience culture shock in college? In graduate school?
Has your FGWC status shaped how you’ve thought about where you went to school? debt? etc?
Were you mentored? How did this work (not work)? How might it?
What did you consider when deciding where to go to grad school? Where to apply for your first position?
What, to you, is a mark of career success? Have you achieved that success? What has helped or hindered your pursuit of success?
Do you think sociology, as a field, cares about prestige?
Let’s talk a little bit about intersectionality. How does being first-gen/working class work alongside other identities that are important to you?
What do your friends and family think about your career? Have you had any difficulty relating to family members or past friends since becoming highly educated?
Do you have any debt from college/grad school? Are you concerned about this? Could you explain more about how you paid for college/grad school? (here, include assistance from family, fellowships, scholarships, etc.)
(You’ve mentioned issues or obstacles you had because of your background.) What could have helped? Or, who or what did? Can you think of fortuitous moments in your career?
Do you have any regrets about the path you took?
Is there anything else you would like to add? Anything that the Taskforce should take note of, that we did not ask you about here?

Research Methods Guide: Interview Research

Introduction
Research Design & Method
Survey Research
Data Analysis
Resources & Consultation

Tutorial Videos: Interview Method

Interview as a Method for Qualitative Research

Goals of Interview Research

Preferences
They help you explain, better understand, and explore research subjects' opinions, behavior, experiences, phenomenon, etc.
Interview questions are usually open-ended questions so that in-depth information will be collected.

Mode of Data Collection

There are several types of interviews, including:

Face-to-Face
Online (e.g. Skype, Googlehangout, etc)

FAQ: Conducting Interview Research

What are the important steps involved in interviews?

Think about who you will interview
Think about what kind of information you want to obtain from interviews
Think about why you want to pursue in-depth information around your research topic
Introduce yourself and explain the aim of the interview
Devise your questions so interviewees can help answer your research question
Have a sequence to your questions / topics by grouping them in themes
Make sure you can easily move back and forth between questions / topics
Make sure your questions are clear and easy to understand
Do not ask leading questions
Do you want to bring a second interviewer with you?
Do you want to bring a notetaker?
Do you want to record interviews? If so, do you have time to transcribe interview recordings?
Where will you interview people? Where is the setting with the least distraction?
How long will each interview take?
Do you need to address terms of confidentiality?

Do I have to choose either a survey or interviewing method?

No. In fact, many researchers use a mixed method - interviews can be useful as follow-up to certain respondents to surveys, e.g., to further investigate their responses.

Is training an interviewer important?

Yes, since the interviewer can control the quality of the result, training the interviewer becomes crucial. If more than one interviewers are involved in your study, it is important to have every interviewer understand the interviewing procedure and rehearse the interviewing process before beginning the formal study.

<< Previous: Survey Research
Next: Data Analysis >>
Last Updated: Aug 21, 2023 10:42 AM

Interviews can be defined as a qualitative research technique which involves “conducting intensive individual interviews with a small number of respondents to explore their perspectives on a particular idea, program or situation.” [1]

There are three different formats of interviews: structured, semi-structured and unstructured.

Structured interviews consist of a series of pre-determined questions that all interviewees answer in the same order. Data analysis usually tends to be more straightforward because researcher can compare and contrast different answers given to the same questions.

Unstructured interviews are usually the least reliable from research viewpoint, because no questions are prepared prior to the interview and data collection is conducted in an informal manner. Unstructured interviews can be associated with a high level of bias and comparison of answers given by different respondents tends to be difficult due to the differences in formulation of questions.

Semi-structured interviews contain the components of both, structured and unstructured interviews. In semi-structured interviews, interviewer prepares a set of same questions to be answered by all interviewees. At the same time, additional questions might be asked during interviews to clarify and/or further expand certain issues.

Advantages of interviews include possibilities of collecting detailed information about research questions. Moreover, in in this type of primary data collection researcher has direct control over the flow of process and she has a chance to clarify certain issues during the process if needed. Disadvantages, on the other hand, include longer time requirements and difficulties associated with arranging an appropriate time with perspective sample group members to conduct interviews.

When conducting interviews you should have an open mind and refrain from displaying disagreements in any forms when viewpoints expressed by interviewees contradict your own ideas. Moreover, timing and environment for interviews need to be scheduled effectively. Specifically, interviews need to be conducted in a relaxed environment, free of any forms of pressure for interviewees whatsoever.

Respected scholars warn that “in conducting an interview the interviewer should attempt to create a friendly, non-threatening atmosphere. Much as one does with a cover letter, the interviewer should give a brief, casual introduction to the study; stress the importance of the person’s participation; and assure anonymity, or at least confidentiality, when possible.” [2]

There is a risk of interviewee bias during the primary data collection process and this would seriously compromise the validity of the project findings. Some interviewer bias can be avoided by ensuring that the interviewer does not overreact to responses of the interviewee. Other steps that can be taken to help avoid or reduce interviewer bias include having the interviewer dress inconspicuously and appropriately for the environment and holding the interview in a private setting. [3]

My e-book, The Ultimate Guide to Writing a Dissertation in Business Studies: a step by step assistance offers practical assistance to complete a dissertation with minimum or no stress. The e-book covers all stages of writing a dissertation starting from the selection to the research area to submitting the completed version of the work within the deadline.John Dudovskiy

[1] Boyce, C. & Neale, P. (2006) “Conducting in-depth Interviews: A Guide for Designing and Conducting In-Depth Interviews”, Pathfinder International Tool Series

[2] Connaway, L.S.& Powell, R.P.(2010) “Basic Research Methods for Librarians” ABC-CLIO

[3] Connaway, L.S.& Powell, R.P.(2010) “Basic Research Methods for Librarians” ABC-CLIO

How to Conduct an Effective Interview; A Guide to Interview Design in Research Study

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Methodology

Structured Interview | Definition, Guide & Examples

Structured Interview | Definition, Guide & Examples

Published on January 27, 2022 by Tegan George and Julia Merkus. Revised on June 22, 2023.

A structured interview is a data collection method that relies on asking questions in a set order to collect data on a topic. It is one of four types of interviews .

In research, structured interviews are often quantitative in nature. They can also be used in qualitative research if the questions are open-ended, but this is less common.

While structured interviews are often associated with job interviews, they are also common in marketing, social science, survey methodology, and other research fields.

Semi-structured interviews : A few questions are predetermined, whereas the other questions aren’t planned.
Unstructured interviews : None of the questions are predetermined.
Focus group interviews : The questions are presented to a group instead of one individual.

What is a structured interview, when to use a structured interview, advantages of structured interviews, disadvantages of structured interviews, structured interview questions, how to conduct a structured interview, how to analyze a structured interview, presenting your results, other interesting articles, frequently asked questions about structured interviews.

Structured interviews are the most systematized type of interview. In contrast to semi-structured or unstructured interviews, the interviewer uses predetermined questions in a set order.

Structured interviews are often closed-ended. They can be dichotomous, which means asking participants to answer “yes” or “no” to each question, or multiple-choice. While open-ended structured interviews do exist, they are less common.

Asking set questions in a set order allows you to easily compare responses between participants in a uniform context. This can help you see patterns and highlight areas for further research, and it can be a useful explanatory or exploratory research tool.

Structured interviews are best used when:

You already have a very clear understanding of your topic, so you possess a baseline for designing strong structured questions.
You are constrained in terms of time or resources and need to analyze your data efficiently.
Your research question depends on strong parity between participants, with environmental conditions held constant.

A structured interview is straightforward to conduct and analyze. Asking the same set of questions mitigates potential biases and leads to fewer ambiguities in analysis. It is an undertaking you can likely handle as an individual, provided you remain organized.

Differences between different types of interviews

Make sure to choose the type of interview that suits your research best. This table shows the most important differences between the four types.


Fixed questions
Fixed order of questions
Fixed number of questions
Option to ask additional questions

Reduced bias

Increased credibility, reliability and validity, simple, cost-effective and efficient, formal in nature, limited flexibility, limited scope.

It can be difficult to write structured interview questions that approximate exactly what you are seeking to measure. Here are a few tips for writing questions that contribute to high internal validity :

Define exactly what you want to discover prior to drafting your questions. This will help you write questions that really zero in on participant responses.
Avoid jargon, compound sentences, and complicated constructions.
Be as clear and concise as possible, so that participants can answer your question immediately.
Do you think that employers should provide free gym memberships?
Did any of your previous employers provide free memberships?
Does your current employer provide a free membership?
a) 1 time; b) 2 times; c) 3 times; d) 4 or more times
Do you enjoy going to the gym?

Structured interviews are among the most straightforward research methods to conduct and analyze. Once you’ve determined that they’re the right fit for your research topic , you can proceed with the following steps.

Step 1: Set your goals and objectives

Start with brainstorming some guiding questions to help you conceptualize your research question, such as:

What are you trying to learn or achieve from a structured interview?
Why are you choosing a structured interview as opposed to a different type of interview, or another research method?

If you have satisfying reasoning for proceeding with a structured interview, you can move on to designing your questions.

Step 2: Design your questions

Pay special attention to the order and wording of your structured interview questions . Remember that in a structured interview they must remain the same. Stick to closed-ended or very simple open-ended questions.

Step 3: Assemble your participants

Depending on your topic, there are a few sampling methods you can use, such as:

Voluntary response sampling : For example, posting a flyer on campus and finding participants based on responses
Convenience sampling of those who are most readily accessible to you, such as fellow students at your university
Stratified sampling of a particular age, race, ethnicity, gender identity, or other characteristic of interest to you
Judgment sampling of a specific set of participants that you already know you want to include

Step 4: Decide on your medium

Determine whether you will be conducting your interviews in person or whether your interview will take pen-and-paper format. If conducted live, you need to decide if you prefer to talk with participants in person, over the phone, or via video conferencing.

Step 5: Conduct your interviews

As you conduct your interviews, be very careful that all conditions remain as constant as possible.

Ask your questions in the same order, and try to moderate your tone of voice and any responses to participants as much as you can.
Pay special attention to your body language (e.g., nodding, raising eyebrows), as this can bias responses.

After you’re finished conducting your interviews, it’s time to analyze your results.

Assign each of your participants a number or pseudonym for organizational purposes.
Transcribe the recordings manually or with the help of transcription software.
Conduct a content or thematic analysis to look for categories or patterns of responses. In most cases, it’s also possible to conduct a statistical analysis to test your hypotheses .

Transcribing interviews

If you have audio-recorded your interviews, you will likely have to transcribe them prior to conducting your analysis. In some cases, your supervisor might ask you to add the transcriptions in the appendix of your paper.

First, you will have to decide whether to conduct verbatim transcription or intelligent verbatim transcription. Do pauses, laughter, or filler words like “umm” or “like” affect your analysis and research conclusions?

If so, conduct verbatim transcription and include them.
If not, conduct intelligent verbatim transcription, which excludes fillers and fixes any grammar issues, and is often easier to analyze.

The transcription process is a great opportunity for you to cleanse your data as well, spotting and resolving any inconsistencies or errors that come up as you listen.

Coding and analyzing structured interviews

After transcribing, it’s time to conduct your thematic or content analysis . This often involves “coding” words, patterns, or themes, separating them into categories for more robust analysis.

Due to the closed-ended nature of many structured interviews, you will most likely be conducting content analysis, rather than thematic analysis.

You quantify the categories you chose in the coding stage by counting the occurrence of the words, phrases, subjects or concepts you selected.
After coding, you can organize and summarize the data using descriptive statistics .
Next, inferential statistics allows you to come to conclusions about your hypotheses and make predictions for future research.

When conducting content analysis, you can take an inductive or a deductive approach. With an inductive approach, you allow the data to determine your themes. A deductive approach is the opposite, and involves investigating whether your data confirm preconceived themes or ideas.

Content analysis has a systematic procedure that can easily be replicated , yielding high reliability to your results. However, keep in mind that while this approach reduces bias, it doesn’t eliminate it. Be vigilant about remaining objective here, even if your analysis does not confirm your hypotheses .

After your data analysis, the next step is to combine your findings into a research paper .

Your methodology section describes how you collected the data (in this case, describing your structured interview process) and explains how you justify or conceptualize your analysis.
Your discussion and results sections usually address each of your coded categories, describing each in turn, as well as how often they occurred.

If you conducted inferential statistics in addition to descriptive statistics, you would generally report the test statistic , p -value , and effect size in your results section. These values explain whether your results justify rejecting your null hypothesis and whether the result is practically significant .

You can then conclude with the main takeaways and avenues for further research.

Example of interview methodology for a research paper

Let’s say you are interested in healthcare on your campus. You attend a large public institution with a lot of international students, and you think there may be a difference in perceptions based on country of origin.

Specifically, you hypothesize that students coming from countries with single-payer or socialized healthcare will find US options less satisfying.

There is a large body of research available on this topic, so you decide to conduct structured interviews of your peers to see if there’s a difference between international students and local students.

You are a member of a large campus club that brings together international students and local students, and you send a message to the club to ask for volunteers.

Here are some questions you could ask:

Do you find healthcare options on campus to be: excellent; good; fair; average; poor?
Does your home country have socialized healthcare? Yes/No
Are you on the campus healthcare plan? Yes/No
Have you ever worried about your health insurance? Yes/No
Have you ever had a serious health condition that insurance did not cover? Yes/No
Have you ever been surprised or shocked by a medical bill? Yes/No

After conducting your interviews and transcribing your data, you can then conduct content analysis, coding responses into different categories. Since you began your research with the theory that international students may find US healthcare lacking, you would use the deductive approach to see if your hypotheses seem to hold true.

If you want to know more about statistics , methodology , or research bias , make sure to check out some of our other articles with explanations and examples.

Student’s t -distribution
Normal distribution
Null and Alternative Hypotheses
Chi square tests
Confidence interval
Quartiles & Quantiles
Cluster sampling
Stratified sampling
Data cleansing
Reproducibility vs Replicability
Peer review
Prospective cohort study

Research bias

Implicit bias
Cognitive bias
Placebo effect
Hawthorne effect
Hindsight bias
Affect heuristic
Social desirability bias

A structured interview is a data collection method that relies on asking questions in a set order to collect data on a topic. They are often quantitative in nature. Structured interviews are best used when:

You already have a very clear understanding of your topic. Perhaps significant research has already been conducted, or you have done some prior research yourself, but you already possess a baseline for designing strong structured questions.
You are constrained in terms of time or resources and need to analyze your data quickly and efficiently.

More flexible interview options include semi-structured interviews , unstructured interviews , and focus groups .

The four most common types of interviews are:

Structured interviews : The questions are predetermined in both topic and order.
Semi-structured interviews : A few questions are predetermined, but other questions aren’t planned.

The interviewer effect is a type of bias that emerges when a characteristic of an interviewer (race, age, gender identity, etc.) influences the responses given by the interviewee.

There is a risk of an interviewer effect in all types of interviews , but it can be mitigated by writing really high-quality interview questions.

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Published: 15 September 2022

Interviews in the social sciences

Eleanor Knott ORCID: orcid.org/0000-0002-9131-3939 1 ,
Aliya Hamid Rao ORCID: orcid.org/0000-0003-0674-4206 1 ,
Kate Summers ORCID: orcid.org/0000-0001-9964-0259 1 &
Chana Teeger ORCID: orcid.org/0000-0002-5046-8280 1

Nature Reviews Methods Primers volume 2 , Article number: 73 ( 2022 ) Cite this article

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Interdisciplinary studies

In-depth interviews are a versatile form of qualitative data collection used by researchers across the social sciences. They allow individuals to explain, in their own words, how they understand and interpret the world around them. Interviews represent a deceptively familiar social encounter in which people interact by asking and answering questions. They are, however, a very particular type of conversation, guided by the researcher and used for specific ends. This dynamic introduces a range of methodological, analytical and ethical challenges, for novice researchers in particular. In this Primer, we focus on the stages and challenges of designing and conducting an interview project and analysing data from it, as well as strategies to overcome such challenges.

The fundamental importance of method to theory

How ‘going online’ mediates the challenges of policy elite interviews

Participatory action research

Introduction.

In-depth interviews are a qualitative research method that follow a deceptively familiar logic of human interaction: they are conversations where people talk with each other, interact and pose and answer questions 1 . An interview is a specific type of interaction in which — usually and predominantly — a researcher asks questions about someone’s life experience, opinions, dreams, fears and hopes and the interview participant answers the questions 1 .

Interviews will often be used as a standalone method or combined with other qualitative methods, such as focus groups or ethnography, or quantitative methods, such as surveys or experiments. Although interviewing is a frequently used method, it should not be viewed as an easy default for qualitative researchers 2 . Interviews are also not suited to answering all qualitative research questions, but instead have specific strengths that should guide whether or not they are deployed in a research project. Whereas ethnography might be better suited to trying to observe what people do, interviews provide a space for extended conversations that allow the researcher insights into how people think and what they believe. Quantitative surveys also give these kinds of insights, but they use pre-determined questions and scales, privileging breadth over depth and often overlooking harder-to-reach participants.

In-depth interviews can take many different shapes and forms, often with more than one participant or researcher. For example, interviews might be highly structured (using an almost survey-like interview guide), entirely unstructured (taking a narrative and free-flowing approach) or semi-structured (using a topic guide ). Researchers might combine these approaches within a single project depending on the purpose of the interview and the characteristics of the participant. Whatever form the interview takes, researchers should be mindful of the dynamics between interviewer and participant and factor these in at all stages of the project.

In this Primer, we focus on the most common type of interview: one researcher taking a semi-structured approach to interviewing one participant using a topic guide. Focusing on how to plan research using interviews, we discuss the necessary stages of data collection. We also discuss the stages and thought-process behind analysing interview material to ensure that the richness and interpretability of interview material is maintained and communicated to readers. The Primer also tracks innovations in interview methods and discusses the developments we expect over the next 5–10 years.

We wrote this Primer as researchers from sociology, social policy and political science. We note our disciplinary background because we acknowledge that there are disciplinary differences in how interviews are approached and understood as a method.

Experimentation

Here we address research design considerations and data collection issues focusing on topic guide construction and other pragmatics of the interview. We also explore issues of ethics and reflexivity that are crucial throughout the research project.

Research design

Participant selection.

Participants can be selected and recruited in various ways for in-depth interview studies. The researcher must first decide what defines the people or social groups being studied. Often, this means moving from an abstract theoretical research question to a more precise empirical one. For example, the researcher might be interested in how people talk about race in contexts of diversity. Empirical settings in which this issue could be studied could include schools, workplaces or adoption agencies. The best research designs should clearly explain why the particular setting was chosen. Often there are both intrinsic and extrinsic reasons for choosing to study a particular group of people at a specific time and place 3 . Intrinsic motivations relate to the fact that the research is focused on an important specific social phenomenon that has been understudied. Extrinsic motivations speak to the broader theoretical research questions and explain why the case at hand is a good one through which to address them empirically.

Next, the researcher needs to decide which types of people they would like to interview. This decision amounts to delineating the inclusion and exclusion criteria for the study. The criteria might be based on demographic variables, like race or gender, but they may also be context-specific, for example, years of experience in an organization. These should be decided based on the research goals. Researchers should be clear about what characteristics would make an individual a candidate for inclusion in the study (and what would exclude them).

The next step is to identify and recruit the study’s sample . Usually, many more people fit the inclusion criteria than can be interviewed. In cases where lists of potential participants are available, the researcher might want to employ stratified sampling , dividing the list by characteristics of interest before sampling.

When there are no lists, researchers will often employ purposive sampling . Many researchers consider purposive sampling the most useful mode for interview-based research since the number of interviews to be conducted is too small to aim to be statistically representative 4 . Instead, the aim is not breadth, via representativeness, but depth via rich insights about a set of participants. In addition to purposive sampling, researchers often use snowball sampling . Both purposive and snowball sampling can be combined with quota sampling . All three types of sampling aim to ensure a variety of perspectives within the confines of a research project. A goal for in-depth interview studies can be to sample for range, being mindful of recruiting a diversity of participants fitting the inclusion criteria.

Study design

The total number of interviews depends on many factors, including the population studied, whether comparisons are to be made and the duration of interviews. Studies that rely on quota sampling where explicit comparisons are made between groups will require a larger number of interviews than studies focused on one group only. Studies where participants are interviewed over several hours, days or even repeatedly across years will tend to have fewer participants than those that entail a one-off engagement.

Researchers often stop interviewing when new interviews confirm findings from earlier interviews with no new or surprising insights (saturation) 4 , 5 , 6 . As a criterion for research design, saturation assumes that data collection and analysis are happening in tandem and that researchers will stop collecting new data once there is no new information emerging from the interviews. This is not always possible. Researchers rarely have time for systematic data analysis during data collection and they often need to specify their sample in funding proposals prior to data collection. As a result, researchers often draw on existing reports of saturation to estimate a sample size prior to data collection. These suggest between 12 and 20 interviews per category of participant (although researchers have reported saturation with samples that are both smaller and larger than this) 7 , 8 , 9 . The idea of saturation has been critiqued by many qualitative researchers because it assumes that meaning inheres in the data, waiting to be discovered — and confirmed — once saturation has been reached 7 . In-depth interview data are often multivalent and can give rise to different interpretations. The important consideration is, therefore, not merely how many participants are interviewed, but whether one’s research design allows for collecting rich and textured data that provide insight into participants’ understandings, accounts, perceptions and interpretations.

Sometimes, researchers will conduct interviews with more than one participant at a time. Researchers should consider the benefits and shortcomings of such an approach. Joint interviews may, for example, give researchers insight into how caregivers agree or debate childrearing decisions. At the same time, they may be less adaptive to exploring aspects of caregiving that participants may not wish to disclose to each other. In other cases, there may be more than one person interviewing each participant, such as when an interpreter is used, and so it is important to consider during the research design phase how this might shape the dynamics of the interview.

Data collection

Semi-structured interviews are typically organized around a topic guide comprised of an ordered set of broad topics (usually 3–5). Each topic includes a set of questions that form the basis of the discussion between the researcher and participant (Fig. 1 ). These topics are organized around key concepts that the researcher has identified (for example, through a close study of prior research, or perhaps through piloting a small, exploratory study) 5 .

a | Elaborated topics the researcher wants to cover in the interview and example questions. b | An example topic arc. Using such an arc, one can think flexibly about the order of topics. Considering the main question for each topic will help to determine the best order for the topics. After conducting some interviews, the researcher can move topics around if a different order seems to make sense.

Topic guide

One common way to structure a topic guide is to start with relatively easy, open-ended questions (Table 1 ). Opening questions should be related to the research topic but broad and easy to answer, so that they help to ease the participant into conversation.

After these broad, opening questions, the topic guide may move into topics that speak more directly to the overarching research question. The interview questions will be accompanied by probes designed to elicit concrete details and examples from the participant (see Table 1 ).

Abstract questions are often easier for participants to answer once they have been asked more concrete questions. In our experience, for example, questions about feelings can be difficult for some participants to answer, but when following probes concerning factual experiences these questions can become less challenging. After the main themes of the topic guide have been covered, the topic guide can move onto closing questions. At this stage, participants often repeat something they have said before, although they may sometimes introduce a new topic.

Interviews are especially well suited to gaining a deeper insight into people’s experiences. Getting these insights largely depends on the participants’ willingness to talk to the researcher. We recommend designing open-ended questions that are more likely to elicit an elaborated response and extended reflection from participants rather than questions that can be answered with yes or no.

Questions should avoid foreclosing the possibility that the participant might disagree with the premise of the question. Take for example the question: “Do you support the new family-friendly policies?” This question minimizes the possibility of the participant disagreeing with the premise of this question, which assumes that the policies are ‘family-friendly’ and asks for a yes or no answer. Instead, asking more broadly how a participant feels about the specific policy being described as ‘family-friendly’ (for example, a work-from-home policy) allows them to express agreement, disagreement or impartiality and, crucially, to explain their reasoning 10 .

For an uninterrupted interview that will last between 90 and 120 minutes, the topic guide should be one to two single-spaced pages with questions and probes. Ideally, the researcher will memorize the topic guide before embarking on the first interview. It is fine to carry a printed-out copy of the topic guide but memorizing the topic guide ahead of the interviews can often make the interviewer feel well prepared in guiding the participant through the interview process.

Although the topic guide helps the researcher stay on track with the broad areas they want to cover, there is no need for the researcher to feel tied down by the topic guide. For instance, if a participant brings up a theme that the researcher intended to discuss later or a point the researcher had not anticipated, the researcher may well decide to follow the lead of the participant. The researcher’s role extends beyond simply stating the questions; it entails listening and responding, making split-second decisions about what line of inquiry to pursue and allowing the interview to proceed in unexpected directions.

Optimizing the interview

The ideal place for an interview will depend on the study and what is feasible for participants. Generally, a place where the participant and researcher can both feel relaxed, where the interview can be uninterrupted and where noise or other distractions are limited is ideal. But this may not always be possible and so the researcher needs to be prepared to adapt their plans within what is feasible (and desirable for participants).

Another key tool for the interview is a recording device (assuming that permission for recording has been given). Recording can be important to capture what the participant says verbatim. Additionally, it can allow the researcher to focus on determining what probes and follow-up questions they want to pursue rather than focusing on taking notes. Sometimes, however, a participant may not allow the researcher to record, or the recording may fail. If the interview is not recorded we suggest that the researcher takes brief notes during the interview, if feasible, and then thoroughly make notes immediately after the interview and try to remember the participant’s facial expressions, gestures and tone of voice. Not having a recording of an interview need not limit the researcher from getting analytical value from it.

As soon as possible after each interview, we recommend that the researcher write a one-page interview memo comprising three key sections. The first section should identify two to three important moments from the interview. What constitutes important is up to the researcher’s discretion 9 . The researcher should note down what happened in these moments, including the participant’s facial expressions, gestures, tone of voice and maybe even the sensory details of their surroundings. This exercise is about capturing ethnographic detail from the interview. The second part of the interview memo is the analytical section with notes on how the interview fits in with previous interviews, for example, where the participant’s responses concur or diverge from other responses. The third part consists of a methodological section where the researcher notes their perception of their relationship with the participant. The interview memo allows the researcher to think critically about their positionality and practice reflexivity — key concepts for an ethical and transparent research practice in qualitative methodology 11 , 12 .

Ethics and reflexivity

All elements of an in-depth interview can raise ethical challenges and concerns. Good ethical practice in interview studies often means going beyond the ethical procedures mandated by institutions 13 . While discussions and requirements of ethics can differ across disciplines, here we focus on the most pertinent considerations for interviews across the research process for an interdisciplinary audience.

Ethical considerations prior to interview

Before conducting interviews, researchers should consider harm minimization, informed consent, anonymity and confidentiality, and reflexivity and positionality. It is important for the researcher to develop their own ethical sensitivities and sensibilities by gaining training in interview and qualitative methods, reading methodological and field-specific texts on interviews and ethics and discussing their research plans with colleagues.

Researchers should map the potential harm to consider how this can be minimized. Primarily, researchers should consider harm from the participants’ perspective (Box 1 ). But, it is also important to consider and plan for potential harm to the researcher, research assistants, gatekeepers, future researchers and members of the wider community 14 . Even the most banal of research topics can potentially pose some form of harm to the participant, researcher and others — and the level of harm is often highly context-dependent. For example, a research project on religion in society might have very different ethical considerations in a democratic versus authoritarian research context because of how openly or not such topics can be discussed and debated 15 .

The researcher should consider how they will obtain and record informed consent (for example, written or oral), based on what makes the most sense for their research project and context 16 . Some institutions might specify how informed consent should be gained. Regardless of how consent is obtained, the participant must be made aware of the form of consent, the intentions and procedures of the interview and potential forms of harm and benefit to the participant or community before the interview commences. Moreover, the participant must agree to be interviewed before the interview commences. If, in addition to interviews, the study contains an ethnographic component, it is worth reading around this topic (see, for example, Murphy and Dingwall 17 ). Informed consent must also be gained for how the interview will be recorded before the interview commences. These practices are important to ensure the participant is contributing on a voluntary basis. It is also important to remind participants that they can withdraw their consent at any time during the interview and for a specified period after the interview (to be decided with the participant). The researcher should indicate that participants can ask for anything shared to be off the record and/or not disseminated.

In terms of anonymity and confidentiality, it is standard practice when conducting interviews to agree not to use (or even collect) participants’ names and personal details that are not pertinent to the study. Anonymizing can often be the safer option for minimizing harm to participants as it is hard to foresee all the consequences of de-anonymizing, even if participants agree. Regardless of what a researcher decides, decisions around anonymity must be agreed with participants during the process of gaining informed consent and respected following the interview.

Although not all ethical challenges can be foreseen or planned for 18 , researchers should think carefully — before the interview — about power dynamics, participant vulnerability, emotional state and interactional dynamics between interviewer and participant, even when discussing low-risk topics. Researchers may then wish to plan for potential ethical issues, for example by preparing a list of relevant organizations to which participants can be signposted. A researcher interviewing a participant about debt, for instance, might prepare in advance a list of debt advice charities, organizations and helplines that could provide further support and advice. It is important to remember that the role of an interviewer is as a researcher rather than as a social worker or counsellor because researchers may not have relevant and requisite training in these other domains.

Box 1 Mapping potential forms of harm

Social: researchers should avoid causing any relational detriment to anyone in the course of interviews, for example, by sharing information with other participants or causing interview participants to be shunned or mistreated by their community as a result of participating.

Economic: researchers should avoid causing financial detriment to anyone, for example, by expecting them to pay for transport to be interviewed or to potentially lose their job as a result of participating.

Physical: researchers should minimize the risk of anyone being exposed to violence as a result of the research both from other individuals or from authorities, including police.

Psychological: researchers should minimize the risk of causing anyone trauma (or re-traumatization) or psychological anguish as a result of the research; this includes not only the participant but importantly the researcher themselves and anyone that might read or analyse the transcripts, should they contain triggering information.

Political: researchers should minimize the risk of anyone being exposed to political detriment as a result of the research, such as retribution.

Professional/reputational: researchers should minimize the potential for reputational damage to anyone connected to the research (this includes ensuring good research practices so that any researchers involved are not harmed reputationally by being involved with the research project).

The task here is not to map exhaustively the potential forms of harm that might pertain to a particular research project (that is the researcher’s job and they should have the expertise most suited to mapping such potential harms relative to the specific project) but to demonstrate the breadth of potential forms of harm.

Ethical considerations post-interview

Researchers should consider how interview data are stored, analysed and disseminated. If participants have been offered anonymity and confidentiality, data should be stored in a way that does not compromise this. For example, researchers should consider removing names and any other unnecessary personal details from interview transcripts, password-protecting and encrypting files and using pseudonyms to label and store all interview data. It is also important to address where interview data are taken (for example, across borders in particular where interview data might be of interest to local authorities) and how this might affect the storage of interview data.

Examining how the researcher will represent participants is a paramount ethical consideration both in the planning stages of the interview study and after it has been conducted. Dissemination strategies also need to consider questions of anonymity and representation. In small communities, even if participants are given pseudonyms, it might be obvious who is being described. Anonymizing not only the names of those participating but also the research context is therefore a standard practice 19 . With particularly sensitive data or insights about the participant, it is worth considering describing participants in a more abstract way rather than as specific individuals. These practices are important both for protecting participants’ anonymity but can also affect the ability of the researcher and others to return ethically to the research context and similar contexts 20 .

Reflexivity and positionality

Reflexivity and positionality mean considering the researcher’s role and assumptions in knowledge production 13 . A key part of reflexivity is considering the power relations between the researcher and participant within the interview setting, as well as how researchers might be perceived by participants. Further, researchers need to consider how their own identities shape the kind of knowledge and assumptions they bring to the interview, including how they approach and ask questions and their analysis of interviews (Box 2 ). Reflexivity is a necessary part of developing ethical sensibility as a researcher by adapting and reflecting on how one engages with participants. Participants should not feel judged, for example, when they share information that researchers might disagree with or find objectionable. How researchers deal with uncomfortable moments or information shared by participants is at their discretion, but they should consider how they will react both ahead of time and in the moment.

Researchers can develop their reflexivity by considering how they themselves would feel being asked these interview questions or represented in this way, and then adapting their practice accordingly. There might be situations where these questions are not appropriate in that they unduly centre the researchers’ experiences and worldview. Nevertheless, these prompts can provide a useful starting point for those beginning their reflexive journey and developing an ethical sensibility.

Reflexivity and ethical sensitivities require active reflection throughout the research process. For example, researchers should take care in interview memos and their notes to consider their assumptions, potential preconceptions, worldviews and own identities prior to and after interviews (Box 2 ). Checking in with assumptions can be a way of making sure that researchers are paying close attention to their own theoretical and analytical biases and revising them in accordance with what they learn through the interviews. Researchers should return to these notes (especially when analysing interview material), to try to unpack their own effects on the research process as well as how participants positioned and engaged with them.

Box 2 Aspects to reflect on reflexively

For reflexive engagement, and understanding the power relations being co-constructed and (re)produced in interviews, it is necessary to reflect, at a minimum, on the following.

Ethnicity, race and nationality, such as how does privilege stemming from race or nationality operate between the researcher, the participant and research context (for example, a researcher from a majority community may be interviewing a member of a minority community)

Gender and sexuality, see above on ethnicity, race and nationality

Social class, and in particular the issue of middle-class bias among researchers when formulating research and interview questions

Economic security/precarity, see above on social class and thinking about the researcher’s relative privilege and the source of biases that stem from this

Educational experiences and privileges, see above

Disciplinary biases, such as how the researcher’s discipline/subfield usually approaches these questions, possibly normalizing certain assumptions that might be contested by participants and in the research context

Political and social values

Lived experiences and other dimensions of ourselves that affect and construct our identity as researchers

In this section, we discuss the next stage of an interview study, namely, analysing the interview data. Data analysis may begin while more data are being collected. Doing so allows early findings to inform the focus of further data collection, as part of an iterative process across the research project. Here, the researcher is ultimately working towards achieving coherence between the data collected and the findings produced to answer successfully the research question(s) they have set.

The two most common methods used to analyse interview material across the social sciences are thematic analysis 21 and discourse analysis 22 . Thematic analysis is a particularly useful and accessible method for those starting out in analysis of qualitative data and interview material as a method of coding data to develop and interpret themes in the data 21 . Discourse analysis is more specialized and focuses on the role of discourse in society by paying close attention to the explicit, implicit and taken-for-granted dimensions of language and power 22 , 23 . Although thematic and discourse analysis are often discussed as separate techniques, in practice researchers might flexibly combine these approaches depending on the object of analysis. For example, those intending to use discourse analysis might first conduct thematic analysis as a way to organize and systematize the data. The object and intention of analysis might differ (for example, developing themes or interrogating language), but the questions facing the researcher (such as whether to take an inductive or deductive approach to analysis) are similar.

Preparing data

Data preparation is an important step in the data analysis process. The researcher should first determine what comprises the corpus of material and in what form it will it be analysed. The former refers to whether, for example, alongside the interviews themselves, analytic memos or observational notes that may have been taken during data collection will also be directly analysed. The latter refers to decisions about how the verbal/audio interview data will be transformed into a written form, making it suitable for processes of data analysis. Typically, interview audio recordings are transcribed to produce a written transcript. It is important to note that the process of transcription is one of transformation. The verbal interview data are transformed into a written transcript through a series of decisions that the researcher must make. The researcher should consider the effect of mishearing what has been said or how choosing to punctuate a sentence in a particular way will affect the final analysis.

Box 3 shows an example transcript excerpt from an interview with a teacher conducted by Teeger as part of her study of history education in post-apartheid South Africa 24 (Box 3 ). Seeing both the questions and the responses means that the reader can contextualize what the participant (Ms Mokoena) has said. Throughout the transcript the researcher has used square brackets, for example to indicate a pause in speech, when Ms Mokoena says “it’s [pause] it’s a difficult topic”. The transcription choice made here means that we see that Ms Mokoena has taken time to pause, perhaps to search for the right words, or perhaps because she has a slight apprehension. Square brackets are also included as an overt act of communication to the reader. When Ms Mokoena says “ja”, the English translation (“yes”) of the word in Afrikaans is placed in square brackets to ensure that the reader can follow the meaning of the speech.

Decisions about what to include when transcribing will be hugely important for the direction and possibilities of analysis. Researchers should decide what they want to capture in the transcript, based on their analytic focus. From a (post)positivist perspective 25 , the researcher may be interested in the manifest content of the interview (such as what is said, not how it is said). In that case, they may choose to transcribe intelligent verbatim . From a constructivist perspective 25 , researchers may choose to record more aspects of speech (including, for example, pauses, repetitions, false starts, talking over one another) so that these features can be analysed. Those working from this perspective argue that to recognize the interactional nature of the interview setting adequately and to avoid misinterpretations, features of interaction (pauses, overlaps between speakers and so on) should be preserved in transcription and therefore in the analysis 10 . Readers interested in learning more should consult Potter and Hepburn’s summary of how to present interaction through transcription of interview data 26 .

The process of analysing semi-structured interviews might be thought of as a generative rather than an extractive enterprise. Findings do not already exist within the interview data to be discovered. Rather, researchers create something new when analysing the data by applying their analytic lens or approach to the transcripts. At a high level, there are options as to what researchers might want to glean from their interview data. They might be interested in themes, whereby they identify patterns of meaning across the dataset 21 . Alternatively, they may focus on discourse(s), looking to identify how language is used to construct meanings and therefore how language reinforces or produces aspects of the social world 27 . Alternatively, they might look at the data to understand narrative or biographical elements 28 .

A further overarching decision to make is the extent to which researchers bring predetermined framings or understandings to bear on their data, or instead begin from the data themselves to generate an analysis. One way of articulating this is the extent to which researchers take a deductive approach or an inductive approach to analysis. One example of a truly inductive approach is grounded theory, whereby the aim of the analysis is to build new theory, beginning with one’s data 6 , 29 . In practice, researchers using thematic and discourse analysis often combine deductive and inductive logics and describe their process instead as iterative (referred to also as an abductive approach ) 30 , 31 . For example, researchers may decide that they will apply a given theoretical framing, or begin with an initial analytic framework, but then refine or develop these once they begin the process of analysis.

Box 3 Excerpt of interview transcript (from Teeger 24 )

Interviewer : Maybe you could just start by talking about what it’s like to teach apartheid history.

Ms Mokoena : It’s a bit challenging. You’ve got to accommodate all the kids in the class. You’ve got to be sensitive to all the racial differences. You want to emphasize the wrongs that were done in the past but you also want to, you know, not to make kids feel like it’s their fault. So you want to use the wrongs of the past to try and unite the kids …

Interviewer : So what kind of things do you do?

Ms Mokoena : Well I normally highlight the fact that people that were struggling were not just the blacks, it was all the races. And I give examples of the people … from all walks of life, all races, and highlight how they suffered as well as a result of apartheid, particularly the whites… . What I noticed, particularly my first year of teaching apartheid, I noticed that the black kids made the others feel responsible for what happened… . I had a lot of fights…. A lot of kids started hating each other because, you know, the others are white and the others were black. And they started saying, “My mother is a domestic worker because she was never allowed an opportunity to get good education.” …

Interviewer : I didn’t see any of that now when I was observing.

Ms Mokoena : … Like I was saying I think that because of the re-emphasis of the fact that, look, everybody did suffer one way or the other, they sort of got to see that it was everybody’s struggle … . They should now get to understand that that’s why we’re called a Rainbow Nation. Not everybody agreed with apartheid and not everybody suffered. Even all the blacks, not all blacks got to feel what the others felt . So ja [yes], it’s [pause] it’s a difficult topic, ja . But I think if you get the kids to understand why we’re teaching apartheid in the first place and you show the involvement of all races in all the different sides , then I think you have managed to teach it properly. So I think because of my inexperience then — that was my first year of teaching history — so I think I — maybe I over-emphasized the suffering of the blacks versus the whites [emphasis added].

Reprinted with permission from ref. 24 , Sage Publications.

From data to codes

Coding data is a key building block shared across many approaches to data analysis. Coding is a way of organizing and describing data, but is also ultimately a way of transforming data to produce analytic insights. The basic practice of coding involves highlighting a segment of text (this may be a sentence, a clause or a longer excerpt) and assigning a label to it. The aim of the label is to communicate some sort of summary of what is in the highlighted piece of text. Coding is an iterative process, whereby researchers read and reread their transcripts, applying and refining their codes, until they have a coding frame (a set of codes) that is applied coherently across the dataset and that captures and communicates the key features of what is contained in the data as it relates to the researchers’ analytic focus.

What one codes for is entirely contingent on the focus of the research project and the choices the researcher makes about the approach to analysis. At first, one might apply descriptive codes, summarizing what is contained in the interviews. It is rarely desirable to stop at this point, however, because coding is a tool to move from describing the data to interpreting the data. Suppose the researcher is pursuing some version of thematic analysis. In that case, it might be that the objects of coding are aspects of reported action, emotions, opinions, norms, relationships, routines, agreement/disagreement and change over time. A discourse analysis might instead code for different types of speech acts, tropes, linguistic or rhetorical devices. Multiple types of code might be generated within the same research project. What is important is that researchers are aware of the choices they are making in terms of what they are coding for. Moreover, through the process of refinement, the aim is to produce a set of discrete codes — in which codes are conceptually distinct, as opposed to overlapping. By using the same codes across the dataset, the researcher can capture commonalities across the interviews. This process of refinement involves relabelling codes and reorganizing how and where they are applied in the dataset.

From coding to analysis and writing

Data analysis is also an iterative process in which researchers move closer to and further away from the data. As they move away from the data, they synthesize their findings, thus honing and articulating their analytic insights. As they move closer to the data, they ground these insights in what is contained in the interviews. The link should not be broken between the data themselves and higher-order conceptual insights or claims being made. Researchers must be able to show evidence for their claims in the data. Figure 2 summarizes this iterative process and suggests the sorts of activities involved at each stage more concretely.

As well as going through steps 1 to 6 in order, the researcher will also go backwards and forwards between stages. Some stages will themselves be a forwards and backwards processing of coding and refining when working across different interview transcripts.

At the stage of synthesizing, there are some common quandaries. When dealing with a dataset consisting of multiple interviews, there will be salient and minority statements across different participants, or consensus or dissent on topics of interest to the researcher. A strength of qualitative interviews is that we can build in these nuances and variations across our data as opposed to aggregating them away. When exploring and reporting data, researchers should be asking how different findings are patterned and which interviews contain which codes, themes or tropes. Researchers should think about how these variations fit within the longer flow of individual interviews and what these variations tell them about the nature of their substantive research interests.

A further consideration is how to approach analysis within and across interview data. Researchers may look at one individual code, to examine the forms it takes across different participants and what they might be able to summarize about this code in the round. Alternatively, they might look at how a code or set of codes pattern across the account of one participant, to understand the code(s) in a more contextualized way. Further analysis might be done according to different sampling characteristics, where researchers group together interviews based on certain demographic characteristics and explore these together.

When it comes to writing up and presenting interview data, key considerations tend to rest on what is often termed transparency. When presenting the findings of an interview-based study, the reader should be able to understand and trace what the stated findings are based upon. This process typically involves describing the analytic process, how key decisions were made and presenting direct excerpts from the data. It is important to account for how the interview was set up and to consider the active part that the researcher has played in generating the data 32 . Quotes from interviews should not be thought of as merely embellishing or adding interest to a final research output. Rather, quotes serve the important function of connecting the reader directly to the underlying data. Quotes, therefore, should be chosen because they provide the reader with the most apt insight into what is being discussed. It is good practice to report not just on what participants said, but also on the questions that were asked to elicit the responses.

Researchers have increasingly used specialist qualitative data analysis software to organize and analyse their interview data, such as NVivo or ATLAS.ti. It is important to remember that such software is a tool for, rather than an approach or technique of, analysis. That said, software also creates a wide range of possibilities in terms of what can be done with the data. As researchers, we should reflect on how the range of possibilities of a given software package might be shaping our analytical choices and whether these are choices that we do indeed want to make.

Applications

This section reviews how and why in-depth interviews have been used by researchers studying gender, education and inequality, nationalism and ethnicity and the welfare state. Although interviews can be employed as a method of data collection in just about any social science topic, the applications below speak directly to the authors’ expertise and cutting-edge areas of research.

When it comes to the broad study of gender, in-depth interviews have been invaluable in shaping our understanding of how gender functions in everyday life. In a study of the US hedge fund industry (an industry dominated by white men), Tobias Neely was interested in understanding the factors that enable white men to prosper in the industry 33 . The study comprised interviews with 45 hedge fund workers and oversampled women of all races and men of colour to capture a range of experiences and beliefs. Tobias Neely found that practices of hiring, grooming and seeding are key to maintaining white men’s dominance in the industry. In terms of hiring, the interviews clarified that white men in charge typically preferred to hire people like themselves, usually from their extended networks. When women were hired, they were usually hired to less lucrative positions. In terms of grooming, Tobias Neely identifies how older and more senior men in the industry who have power and status will select one or several younger men as their protégés, to include in their own elite networks. Finally, in terms of her concept of seeding, Tobias Neely describes how older men who are hedge fund managers provide the seed money (often in the hundreds of millions of dollars) for a hedge fund to men, often their own sons (but not their daughters). These interviews provided an in-depth look into gendered and racialized mechanisms that allow white men to flourish in this industry.

Research by Rao draws on dozens of interviews with men and women who had lost their jobs, some of the participants’ spouses and follow-up interviews with about half the sample approximately 6 months after the initial interview 34 . Rao used interviews to understand the gendered experience and understanding of unemployment. Through these interviews, she found that the very process of losing their jobs meant different things for men and women. Women often saw job loss as being a personal indictment of their professional capabilities. The women interviewed often referenced how years of devaluation in the workplace coloured their interpretation of their job loss. Men, by contrast, were also saddened by their job loss, but they saw it as part and parcel of a weak economy rather than a personal failing. How these varied interpretations occurred was tied to men’s and women’s very different experiences in the workplace. Further, through her analysis of these interviews, Rao also showed how these gendered interpretations had implications for the kinds of jobs men and women sought to pursue after job loss. Whereas men remained tied to participating in full-time paid work, job loss appeared to be a catalyst pushing some of the women to re-evaluate their ties to the labour force.

In a study of workers in the tech industry, Hart used interviews to explain how individuals respond to unwanted and ambiguously sexual interactions 35 . Here, the researcher used interviews to allow participants to describe how these interactions made them feel and act and the logics of how they interpreted, classified and made sense of them 35 . Through her analysis of these interviews, Hart showed that participants engaged in a process she termed “trajectory guarding”, whereby they sought to monitor unwanted and ambiguously sexual interactions to avoid them from escalating. Yet, as Hart’s analysis proficiently demonstrates, these very strategies — which protect these workers sexually — also undermined their workplace advancement.

Drawing on interviews, these studies have helped us to understand better how gendered mechanisms, gendered interpretations and gendered interactions foster gender inequality when it comes to paid work. Methodologically, these studies illuminate the power of interviews to reveal important aspects of social life.

Nationalism and ethnicity

Traditionally, nationalism has been studied from a top-down perspective, through the lens of the state or using historical methods; in other words, in-depth interviews have not been a common way of collecting data to study nationalism. The methodological turn towards everyday nationalism has encouraged more scholars to go to the field and use interviews (and ethnography) to understand nationalism from the bottom up: how people talk about, give meaning, understand, navigate and contest their relation to nation, national identification and nationalism 36 , 37 , 38 , 39 . This turn has also addressed the gap left by those studying national and ethnic identification via quantitative methods, such as surveys.

Surveys can enumerate how individuals ascribe to categorical forms of identification 40 . However, interviews can question the usefulness of such categories and ask whether these categories are reflected, or resisted, by participants in terms of the meanings they give to identification 41 , 42 . Categories often pitch identification as a mutually exclusive choice; but identification might be more complex than such categories allow. For example, some might hybridize these categories or see themselves as moving between and across categories 43 . Hearing how people talk about themselves and their relation to nations, states and ethnicities, therefore, contributes substantially to the study of nationalism and national and ethnic forms of identification.

One particular approach to studying these topics, whether via everyday nationalism or alternatives, is that of using interviews to capture both articulations and narratives of identification, relations to nationalism and the boundaries people construct. For example, interviews can be used to gather self–other narratives by studying how individuals construct I–we–them boundaries 44 , including how participants talk about themselves, who participants include in their various ‘we’ groupings and which and how participants create ‘them’ groupings of others, inserting boundaries between ‘I/we’ and ‘them’. Overall, interviews hold great potential for listening to participants and understanding the nuances of identification and the construction of boundaries from their point of view.

Education and inequality

Scholars of social stratification have long noted that the school system often reproduces existing social inequalities. Carter explains that all schools have both material and sociocultural resources 45 . When children from different backgrounds attend schools with different material resources, their educational and occupational outcomes are likely to vary. Such material resources are relatively easy to measure. They are operationalized as teacher-to-student ratios, access to computers and textbooks and the physical infrastructure of classrooms and playgrounds.

Drawing on Bourdieusian theory 46 , Carter conceptualizes the sociocultural context as the norms, values and dispositions privileged within a social space 45 . Scholars have drawn on interviews with students and teachers (as well as ethnographic observations) to show how schools confer advantages on students from middle-class families, for example, by rewarding their help-seeking behaviours 47 . Focusing on race, researchers have revealed how schools can remain socioculturally white even as they enrol a racially diverse student population. In such contexts, for example, teachers often misrecognize the aesthetic choices made by students of colour, wrongly inferring that these students’ tastes in clothing and music reflect negative orientations to schooling 48 , 49 , 50 . These assessments can result in disparate forms of discipline and may ultimately shape educators’ assessments of students’ academic potential 51 .

Further, teachers and administrators tend to view the appropriate relationship between home and school in ways that resonate with white middle-class parents 52 . These parents are then able to advocate effectively for their children in ways that non-white parents are not 53 . In-depth interviews are particularly good at tapping into these understandings, revealing the mechanisms that confer privilege on certain groups of students and thereby reproduce inequality.

In addition, interviews can shed light on the unequal experiences that young people have within educational institutions, as the views of dominant groups are affirmed while those from disadvantaged backgrounds are delegitimized. For example, Teeger’s interviews with South African high schoolers showed how — because racially charged incidents are often framed as jokes in the broader school culture — Black students often feel compelled to ignore and keep silent about the racism they experience 54 . Interviews revealed that Black students who objected to these supposed jokes were coded by other students as serious or angry. In trying to avoid such labels, these students found themselves unable to challenge the racism they experienced. Interviews give us insight into these dynamics and help us see how young people understand and interpret the messages transmitted in schools — including those that speak to issues of inequality in their local school contexts as well as in society more broadly 24 , 55 .

The welfare state

In-depth interviews have also proved to be an important method for studying various aspects of the welfare state. By welfare state, we mean the social institutions relating to the economic and social wellbeing of a state’s citizens. Notably, using interviews has been useful to look at how policy design features are experienced and play out on the ground. Interviews have often been paired with large-scale surveys to produce mixed-methods study designs, therefore achieving both breadth and depth of insights.

In-depth interviews provide the opportunity to look behind policy assumptions or how policies are designed from the top down, to examine how these play out in the lives of those affected by the policies and whose experiences might otherwise be obscured or ignored. For example, the Welfare Conditionality project used interviews to critique the assumptions that conditionality (such as, the withdrawal of social security benefits if recipients did not perform or meet certain criteria) improved employment outcomes and instead showed that conditionality was harmful to mental health, living standards and had many other negative consequences 56 . Meanwhile, combining datasets from two small-scale interview studies with recipients allowed Summers and Young to critique assumptions around the simplicity that underpinned the design of Universal Credit in 2020, for example, showing that the apparently simple monthly payment design instead burdened recipients with additional money management decisions and responsibilities 57 .

Similarly, the Welfare at a (Social) Distance project used a mixed-methods approach in a large-scale study that combined national surveys with case studies and in-depth interviews to investigate the experience of claiming social security benefits during the COVID-19 pandemic. The interviews allowed researchers to understand in detail any issues experienced by recipients of benefits, such as delays in the process of claiming, managing on a very tight budget and navigating stigma and claiming 58 .

These applications demonstrate the multi-faceted topics and questions for which interviews can be a relevant method for data collection. These applications highlight not only the relevance of interviews, but also emphasize the key added value of interviews, which might be missed by other methods (surveys, in particular). Interviews can expose and question what is taken for granted and directly engage with communities and participants that might otherwise be ignored, obscured or marginalized.

Reproducibility and data deposition

There is a robust, ongoing debate about reproducibility in qualitative research, including interview studies. In some research paradigms, reproducibility can be a way of interrogating the rigour and robustness of research claims, by seeing whether these hold up when the research process is repeated. Some scholars have suggested that although reproducibility may be challenging, researchers can facilitate it by naming the place where the research was conducted, naming participants, sharing interview and fieldwork transcripts (anonymized and de-identified in cases where researchers are not naming people or places) and employing fact-checkers for accuracy 11 , 59 , 60 .

In addition to the ethical concerns of whether de-anonymization is ever feasible or desirable, it is also important to address whether the replicability of interview studies is meaningful. For example, the flexibility of interviews allows for the unexpected and the unforeseen to be incorporated into the scope of the research 61 . However, this flexibility means that we cannot expect reproducibility in the conventional sense, given that different researchers will elicit different types of data from participants. Sharing interview transcripts with other researchers, for instance, downplays the contextual nature of an interview.

Drawing on Bauer and Gaskell, we propose several measures to enhance rigour in qualitative research: transparency, grounding interpretations and aiming for theoretical transferability and significance 62 .

Researchers should be transparent when describing their methodological choices. Transparency means documenting who was interviewed, where and when (without requiring de-anonymization, for example, by documenting their characteristics), as well as the questions they were asked. It means carefully considering who was left out of the interviews and what that could mean for the researcher’s findings. It also means carefully considering who the researcher is and how their identity shaped the research process (integrating and articulating reflexivity into whatever is written up).

Second, researchers should ground their interpretations in the data. Grounding means presenting the evidence upon which the interpretation relies. Quotes and extracts should be extensive enough to allow the reader to evaluate whether the researcher’s interpretations are grounded in the data. At each step, researchers should carefully compare their own explanations and interpretations with alternative explanations. Doing so systematically and frequently allows researchers to become more confident in their claims. Here, researchers should justify the link between data and analysis by using quotes to justify and demonstrate the analytical point, while making sure the analytical point offers an interpretation of quotes (Box 4 ).

An important step in considering alternative explanations is to seek out disconfirming evidence 4 , 63 . This involves looking for instances where participants deviate from what the majority are saying and thus bring into question the theory (or explanation) that the researcher is developing. Careful analysis of such examples can often demonstrate the salience and meaning of what appears to be the norm (see Table 2 for examples) 54 . Considering alternative explanations and paying attention to disconfirming evidence allows the researcher to refine their own theories in respect of the data.

Finally, researchers should aim for theoretical transferability and significance in their discussions of findings. One way to think about this is to imagine someone who is not interested in the empirical study. Articulating theoretical transferability and significance usually takes the form of broadening out from the specific findings to consider explicitly how the research has refined or altered prior theoretical approaches. This process also means considering under what other conditions, aside from those of the study, the researcher thinks their theoretical revision would be supported by and why. Importantly, it also includes thinking about the limitations of one’s own approach and where the theoretical implications of the study might not hold.

Box 4 An example of grounding interpretations in data (from Rao 34 )

In an article explaining how unemployed men frame their job loss as a pervasive experience, Rao writes the following: “Unemployed men in this study understood unemployment to be an expected aspect of paid work in the contemporary United States. Robert, a white unemployed communications professional, compared the economic landscape after the Great Recession with the tragic events of September 11, 2001:

Part of your post-9/11 world was knowing people that died as a result of terrorism. The same thing is true with the [Great] Recession, right? … After the Recession you know somebody who was unemployed … People that really should be working.

The pervasiveness of unemployment rendered it normal, as Robert indicates.”

Here, the link between the quote presented and the analytical point Rao is making is clear: the analytical point is grounded in a quote and an interpretation of the quote is offered 34 .

Limitations and optimizations

When deciding which research method to use, the key question is whether the method provides a good fit for the research questions posed. In other words, researchers should consider whether interviews will allow them to successfully access the social phenomena necessary to answer their question(s) and whether the interviews will do so more effectively than other methods. Table 3 summarizes the major strengths and limitations of interviews. However, the accompanying text below is organized around some key issues, where relative strengths and weaknesses are presented alongside each other, the aim being that readers should think about how these can be balanced and optimized in relation to their own research.

Breadth versus depth of insight

Achieving an overall breadth of insight, in a statistically representative sense, is not something that is possible or indeed desirable when conducting in-depth interviews. Instead, the strength of conducting interviews lies in their ability to generate various sorts of depth of insight. The experiences or views of participants that can be accessed by conducting interviews help us to understand participants’ subjective realities. The challenge, therefore, is for researchers to be clear about why depth of insight is the focus and what we should aim to glean from these types of insight.

Naturalistic or artificial interviews

Interviews make use of a form of interaction with which people are familiar 64 . By replicating a naturalistic form of interaction as a tool to gather social science data, researchers can capitalize on people’s familiarity and expectations of what happens in a conversation. This familiarity can also be a challenge, as people come to the interview with preconceived ideas about what this conversation might be for or about. People may draw on experiences of other similar conversations when taking part in a research interview (for example, job interviews, therapy sessions, confessional conversations, chats with friends). Researchers should be aware of such potential overlaps and think through their implications both in how the aims and purposes of the research interview are communicated to participants and in how interview data are interpreted.

Further, some argue that a limitation of interviews is that they are an artificial form of data collection. By taking people out of their daily lives and asking them to stand back and pass comment, we are creating a distance that makes it difficult to use such data to say something meaningful about people’s actions, experiences and views. Other approaches, such as ethnography, might be more suitable for tapping into what people actually do, as opposed to what they say they do 65 .

Dynamism and replicability

Interviews following a semi-structured format offer flexibility both to the researcher and the participant. As the conversation develops, the interlocutors can explore the topics raised in much more detail, if desired, or pass over ones that are not relevant. This flexibility allows for the unexpected and the unforeseen to be incorporated into the scope of the research.

However, this flexibility has a related challenge of replicability. Interviews cannot be reproduced because they are contingent upon the interaction between the researcher and the participant in that given moment of interaction. In some research paradigms, replicability can be a way of interrogating the robustness of research claims, by seeing whether they hold when they are repeated. This is not a useful framework to bring to in-depth interviews and instead quality criteria (such as transparency) tend to be employed as criteria of rigour.

Accessing the private and personal

Interviews have been recognized for their strength in accessing private, personal issues, which participants may feel more comfortable talking about in a one-to-one conversation. Furthermore, interviews are likely to take a more personable form with their extended questions and answers, perhaps making a participant feel more at ease when discussing sensitive topics in such a context. There is a similar, but separate, argument made about accessing what are sometimes referred to as vulnerable groups, who may be difficult to make contact with using other research methods.

There is an associated challenge of anonymity. There can be types of in-depth interview that make it particularly challenging to protect the identities of participants, such as interviewing within a small community, or multiple members of the same household. The challenge to ensure anonymity in such contexts is even more important and difficult when the topic of research is of a sensitive nature or participants are vulnerable.

Increasingly, researchers are collaborating in large-scale interview-based studies and integrating interviews into broader mixed-methods designs. At the same time, interviews can be seen as an old-fashioned (and perhaps outdated) mode of data collection. We review these debates and discussions and point to innovations in interview-based studies. These include the shift from face-to-face interviews to the use of online platforms, as well as integrating and adapting interviews towards more inclusive methodologies.

Collaborating and mixing

Qualitative researchers have long worked alone 66 . Increasingly, however, researchers are collaborating with others for reasons such as efficiency, institutional incentives (for example, funding for collaborative research) and a desire to pool expertise (for example, studying similar phenomena in different contexts 67 or via different methods). Collaboration can occur across disciplines and methods, cases and contexts and between industry/business, practitioners and researchers. In many settings and contexts, collaboration has become an imperative 68 .

Cheek notes how collaboration provides both advantages and disadvantages 68 . For example, collaboration can be advantageous, saving time and building on the divergent knowledge, skills and resources of different researchers. Scholars with different theoretical or case-based knowledge (or contacts) can work together to build research that is comparative and/or more than the sum of its parts. But such endeavours also carry with them practical and political challenges in terms of how resources might actually be pooled, shared or accounted for. When undertaking such projects, as Morse notes, it is worth thinking about the nature of the collaboration and being explicit about such a choice, its advantages and its disadvantages 66 .

A further tension, but also a motivation for collaboration, stems from integrating interviews as a method in a mixed-methods project, whether with other qualitative researchers (to combine with, for example, focus groups, document analysis or ethnography) or with quantitative researchers (to combine with, for example, surveys, social media analysis or big data analysis). Cheek and Morse both note the pitfalls of collaboration with quantitative researchers: that quality of research may be sacrificed, qualitative interpretations watered down or not taken seriously, or tensions experienced over the pace and different assumptions that come with different methods and approaches of research 66 , 68 .

At the same time, there can be real benefits of such mixed-methods collaboration, such as reaching different and more diverse audiences or testing assumptions and theories between research components in the same project (for example, testing insights from prior quantitative research via interviews, or vice versa), as long as the skillsets of collaborators are seen as equally beneficial to the project. Cheek provides a set of questions that, as a starting point, can be useful for guiding collaboration, whether mixed methods or otherwise. First, Cheek advises asking all collaborators about their assumptions and understandings concerning collaboration. Second, Cheek recommends discussing what each perspective highlights and focuses on (and conversely ignores or sidelines) 68 .

A different way to engage with the idea of collaboration and mixed methods research is by fostering greater collaboration between researchers in the Global South and Global North, thus reversing trends of researchers from the Global North extracting knowledge from the Global South 69 . Such forms of collaboration also align with interview innovations, discussed below, that seek to transform traditional interview approaches into more participatory and inclusive (as part of participatory methodologies).

Digital innovations and challenges

The ongoing COVID-19 pandemic has centred the question of technology within interview-based fieldwork. Although conducting synchronous oral interviews online — for example, via Zoom, Skype or other such platforms — has been a method used by a small constituency of researchers for many years, it became (and remains) a necessity for many researchers wanting to continue or start interview-based projects while COVID-19 prevents face-to-face data collection.

In the past, online interviews were often framed as an inferior form of data collection for not providing the kinds of (often necessary) insights and forms of immersion face-to-face interviews allow 70 , 71 . Online interviews do tend to be more decontextualized than interviews conducted face-to-face 72 . For example, it is harder to recognize, engage with and respond to non-verbal cues 71 . At the same time, they broaden participation to those who might not have been able to access or travel to sites where interviews would have been conducted otherwise, for example people with disabilities. Online interviews also offer more flexibility in terms of scheduling and time requirements. For example, they provide more flexibility around precarious employment or caring responsibilities without having to travel and be away from home. In addition, online interviews might also reduce discomfort between researchers and participants, compared with face-to-face interviews, enabling more discussion of sensitive material 71 . They can also provide participants with more control, enabling them to turn on and off the microphone and video as they choose, for example, to provide more time to reflect and disconnect if they so wish 72 .

That said, online interviews can also introduce new biases based on access to technology 72 . For example, in the Global South, there are often urban/rural and gender gaps between who has access to mobile phones and who does not, meaning that some population groups might be overlooked unless researchers sample mindfully 71 . There are also important ethical considerations when deciding between online and face-to-face interviews. Online interviews might seem to imply lower ethical risks than face-to-face interviews (for example, they lower the chances of identification of participants or researchers), but they also offer more barriers to building trust between researchers and participants 72 . Interacting only online with participants might not provide the information needed to assess risk, for example, participants’ access to a private space to speak 71 . Just because online interviews might be more likely to be conducted in private spaces does not mean that private spaces are safe, for example, for victims of domestic violence. Finally, online interviews prompt further questions about decolonizing research and engaging with participants if research is conducted from afar 72 , such as how to include participants meaningfully and challenge dominant assumptions while doing so remotely.

A further digital innovation, modulating how researchers conduct interviews and the kinds of data collected and analysed, stems from the use and integration of (new) technology, such as WhatsApp text or voice notes to conduct synchronous or asynchronous oral or written interviews 73 . Such methods can provide more privacy, comfort and control to participants and make recruitment easier, allowing participants to share what they want when they want to, using technology that already forms a part of their daily lives, especially for young people 74 , 75 . Such technology is also emerging in other qualitative methods, such as focus groups, with similar arguments around greater inclusivity versus traditional offline modes. Here, the digital challenge might be higher for researchers than for participants if they are less used to such technology 75 . And while there might be concerns about the richness, depth and quality of written messages as a form of interview data, Gibson reports that the reams of transcripts that resulted from a study using written messaging were dense with meaning to be analysed 75 .

Like with online and face-to-face interviews, it is important also to consider the ethical questions and challenges of using such technology, from gaining consent to ensuring participant safety and attending to their distress, without cues, like crying, that might be more obvious in a face-to-face setting 75 , 76 . Attention to the platform used for such interviews is also important and researchers should be attuned to the local and national context. For example, in China, many platforms are neither legal nor available 76 . There, more popular platforms — like WeChat — can be highly monitored by the government, posing potential risks to participants depending on the topic of the interview. Ultimately, researchers should consider trade-offs between online and offline interview modalities, being attentive to the social context and power dynamics involved.

The next 5–10 years

Continuing to integrate (ethically) this technology will be among the major persisting developments in interview-based research, whether to offer more flexibility to researchers or participants, or to diversify who can participate and on what terms.

Pushing the idea of inclusion even further is the potential for integrating interview-based studies within participatory methods, which are also innovating via integrating technology. There is no hard and fast line between researchers using in-depth interviews and participatory methods; many who employ participatory methods will use interviews at the beginning, middle or end phases of a research project to capture insights, perspectives and reflections from participants 77 , 78 . Participatory methods emphasize the need to resist existing power and knowledge structures. They broaden who has the right and ability to contribute to academic knowledge by including and incorporating participants not only as subjects of data collection, but as crucial voices in research design and data analysis 77 . Participatory methods also seek to facilitate local change and to produce research materials, whether for academic or non-academic audiences, including films and documentaries, in collaboration with participants.

In responding to the challenges of COVID-19, capturing the fraught situation wrought by the pandemic and the momentum to integrate technology, participatory researchers have sought to continue data collection from afar. For example, Marzi has adapted an existing project to co-produce participatory videos, via participants’ smartphones in Medellin, Colombia, alongside regular check-in conversations/meetings/interviews with participants 79 . Integrating participatory methods into interview studies offers a route by which researchers can respond to the challenge of diversifying knowledge, challenging assumptions and power hierarchies and creating more inclusive and collaborative partnerships between participants and researchers in the Global North and South.

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A pre-written interview outline for a semi-structured interview that provides both a topic structure and the ability to adapt flexibly to the content and context of the interview and the interaction between the interviewer and participant. Others may refer to the topic guide as an interview protocol.

Here we refer to the participants that take part in the study as the sample. Other researchers may refer to the participants as a participant group or dataset.

This involves dividing a population into smaller groups based on particular characteristics, for example, age or gender, and then sampling randomly within each group.

A sampling method where the guiding logic when deciding who to recruit is to achieve the most relevant participants for the research topic, in terms of being rich in information or insights.

Researchers ask participants to introduce the researcher to others who meet the study’s inclusion criteria.

Similar to stratified sampling, but participants are not necessarily randomly selected. Instead, the researcher determines how many people from each category of participants should be recruited. Recruitment can happen via snowball or purposive sampling.

A method for developing, analysing and interpreting patterns across data by coding in order to develop themes.

An approach that interrogates the explicit, implicit and taken-for-granted dimensions of language as well as the contexts in which it is articulated to unpack its purposes and effects.

A form of transcription that simplifies what has been said by removing certain verbal and non-verbal details that add no further meaning, such as ‘ums and ahs’ and false starts.

The analytic framework, theoretical approach and often hypotheses, are developed prior to examining the data and then applied to the dataset.

The analytic framework and theoretical approach is developed from analysing the data.

An approach that combines deductive and inductive components to work recursively by going back and forth between data and existing theoretical frameworks (also described as an iterative approach). This approach is increasingly recognized not only as a more realistic but also more desirable third alternative to the more traditional inductive versus deductive binary choice.

A theoretical apparatus that emphasizes the role of cultural processes and capital in (intergenerational) social reproduction.

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The Ultimate Guide to Qualitative Research - Part 1: The Basics

Introduction and overview
What is qualitative research?
What is qualitative data?
Examples of qualitative data
Qualitative vs. quantitative research
Mixed methods
Qualitative research preparation
Theoretical perspective
Theoretical framework
Literature reviews
Research question
Conceptual framework
Conceptual vs. theoretical framework
Data collection
Qualitative research methods
Introduction

What is an interview and its purpose in qualitative research?

What are some examples of interviews in research, how to carry out great interviews in qualitative research, fundamental types of interviews, process of conducting an interview.

Focus groups
Observational research
Case studies
Ethnographical research

Ethical considerations

Confidentiality and privacy
Power dynamics
Reflexivity

Interviews: Research methods and approaches

As a qualitative research method, interviewing is widely used to gather in-depth information from participants about their experiences, opinions, and perspectives on a specific topic. There are various qualitative research techniques for interviews available to researchers to achieve the greatest potential in data collection .

This section will provide an overview of the importance of interviews, the different types of interviews, tools for conducting interviews, analysis of interview data , and ethical considerations in this research method. Note that the focus group interview is a related concept but will be discussed in greater detail in the next section of this guide, as focus groups have slightly different dynamics to consider.

Interviews, as a qualitative research method , play a pivotal role in uncovering complexities in human behavior and decision-making. Researchers can observe behavior, on the one hand, or they can investigate the perspectives and values informing that behavior by interviewing research participants.

Purpose and importance

Interviews allow researchers to delve into the subjective experiences of individuals, providing insights that may not be accessible through other research methods. They illuminate people's perceptions, thoughts, feelings, and understandings about a particular phenomenon. Data representing these views can form the foundation for identifying recurring themes regarding that phenomenon.

Unlike quantitative methods, which typically collect numerical data that can be statistically analyzed, interviews capture rich, detailed data in the form of words, ideas, and themes. They allow researchers to collect data on people's experiences in a manner that is sensitive to the context and the individual's perspective. Through interviews, researchers can explore the meanings people attribute to their experiences and gain a deeper understanding of the phenomena being studied.

Interviews also empower participants by giving them a voice. The interviewee has the opportunity to express their views, feelings, and experiences in their own words. This participatory aspect of interviews underscores the respect for individual experiences and perspectives, which is a central tenet of qualitative research.

Comparing interviews with other methods

While interviews share many similarities with other qualitative methods, they also have unique features that set them apart. Unlike interviews, methods like observations are more passive and rely more on the researcher's interpretation of events.

On the other hand, interviews actively involve participants in the data generation process. Compared to surveys , which may limit responses to predetermined choices or word limits, interviews allow for open-ended responses and the flexibility to explore topics in depth.

However, it's worth noting that interviews do not have to be a stand-alone method. They are often used with other methods, such as observation or document analysis , in a multi-method or mixed-methods research design . This combination of methods can enhance the richness and credibility of the data collected, providing a more holistic understanding of the research problem.

The qualitative research interview can be conducted in various formats, each with its own strengths and limitations. Choosing the appropriate type of interview to use largely depends on the research question, the nature of the topic, the characteristics of the participants, and the resources available to the researcher.

Face-to-face interviews

In-person interviews are often considered the traditional form of interviewing. They involve a direct conversation between the interviewer and the interviewee. This form allows for comprehensive communication as it includes verbal and non-verbal cues such as body language, facial expressions, and tone of voice.

This type of interview allows for immediate clarification of responses and can help foster rapport between the interviewer and interviewee, which may lead to richer, more nuanced data. However, these kinds of interviews can be time-consuming, expensive, and limited by geographic location.

Telephone interviews

Telephone interviews can be a practical alternative when face-to-face interviews are not feasible due to distance, time, or budget constraints. Phone interviews allow researchers to reach participants who may be geographically dispersed and offer a level of anonymity that may encourage candid responses, particularly on sensitive topics.

However, they might lack non-verbal cues that can provide additional context to a participant's responses. A phone interview may differ from a conversation in person in that you can't see someone's face, gestures, or other body language, which might be useful for contextualizing detailed information.

Online/internet-based interviews

Online or internet-based interviews conducted through platforms such as Zoom, Skype, or email have become increasingly popular in recent years. They can be synchronous (occurring in real-time, like video calls) or asynchronous (participants respond in their own time, such as email interviews).

These interviews can reach participants globally, are often cost-effective, and can be more convenient for both the researcher and the participant. However, they rely on technology and internet access, which may not be available to all potential participants.

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Qualitative interviews are more than just casual conversations. Some qualitative research interviews may not follow a strict structure and allow the researcher to explore any topics in the moment. In contrast, other interviews may be highly structured and aim to collect the same kind of information across participants. As a matter of empirical research, research interviews require careful planning, execution, and reflection to ensure they yield valuable and trustworthy data. Here are some key components to consider:

Developing appropriate interview questions

The foundation of any successful interview lies in its questions. Good interview questions are open-ended, clear, and directly related to the research objectives. They should allow participants to share their experiences, opinions, and feelings without leading them toward certain answers. In qualitative research, it's often useful to have a mix of more and less structured questions, allowing for both depth and breadth in responses.

Building rapport with participants

Establishing rapport with interviewees is crucial to encourage open and honest responses. In-depth interviews can be challenging if the interviewer doesn't know the interviewee in detail or hasn't established the necessary trust.

Researchers establish rapport with interviewees by displaying empathy, active listening, and respect. Clarifying the purpose of the interview, ensuring confidentiality, and asking for consent before beginning can also help in building trust.

Note-taking and recording

Accurate and comprehensive documentation of interview data is critical. While audio or video recording is highly recommended for completeness and accuracy, it's also beneficial to take notes during or immediately after the interview. These notes can capture non-verbal cues, the interviewer's impressions, and any issues or incidents that occur during the interview.

Ethical considerations are paramount in any research involving human participants. Researchers must obtain informed consent , respect participants' privacy and confidentiality , and ensure participants understand their right to withdraw from the study at any time without any negative consequences. It's also important to be aware of power dynamics and strive for a respectful and equitable researcher-participant relationship.

The effectiveness of a qualitative interview largely depends on the thoughtfulness and rigor with which these components are addressed. Interviews are not just a data collection tool; they are a way of acknowledging and respecting participants' lived experiences and perspectives. Therefore, each component should be handled with utmost care and consideration.

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The structure of an interview can greatly influence the data collected. The level of structure varies along a continuum, with structured and unstructured interviews occupying opposite ends of that spectrum.

Unstructured interviews

Unstructured interviews are characterized by their flexibility. The researcher usually only has a list of topics or themes to be covered, known as an interview guide, but the conversation does not follow a predetermined set of questions. Instead, the interviewer allows the conversation to flow naturally, following leads provided by the interviewee. An unstructured interview is particularly useful when the researcher is exploring a new area of study and aims to gather as much information as possible without preconceived notions.

Semi-structured interviews

Semi-structured interviews strike a balance between flexibility and structure. The researcher has a list of predetermined questions to conduct interviews but is free to ask additional open-ended questions or to deviate from the list based on the interviewee's responses. The semi-structured interview is the most common form of interview in qualitative research, as it provides deep, rich data while still ensuring that all necessary topics are covered.

Structured interviews

Structured interviews , sometimes called standardized interviews, are the most rigid form of interview. The researcher asks the same set of predetermined questions in the same order to all participants, with little to no deviation.

While a structured interview may limit the depth of data collected, it allows for greater consistency across interviews. This can be helpful for keeping responses confined to the research topic and comparing responses between participants.

In determining the level of structure for an interview, researchers should consider their research objectives, the nature of the topic, and the characteristics of the participants. Different structures lend themselves to different research goals, and the most effective interviewers are those who can adapt their approach based on the needs of their study.

Conducting an interview in qualitative research involves a series of well-planned steps before, during, and after the interview. These steps ensure that the process is systematic, ethical, and capable of yielding high-quality data.

Pre-interview preparation and research

Before conducting the interview, the researcher needs to thoroughly understand the research topic, define the purpose of the interview, and identify potential interviewees. Preparing an interview guide with key themes or questions is essential, though the level of detail will depend on the interview structure. Logistics, such as scheduling the interview at a convenient time and place for the participant and ensuring necessary equipment is available and working, also need to be addressed.

Conducting the interview

The interview begins with an introduction in which the interviewer explains the purpose of the interview, assures confidentiality, and obtains consent from the participant. Throughout the interview, the researcher should aim to build rapport, listen attentively, and adapt their questioning based on the interviewee's responses. Non-verbal cues should also be observed and noted, as they can provide additional insights.

Post-interview activities

After the interview, it is important to thank the participant for their time and contribution. Researchers should then promptly transcribe the interview while the details are still fresh. Reflections and observations about the interview should also be noted, including the context, the behavior of the participant, and any unexpected occurrences. These notes can provide valuable context during data analysis.

Executing each of these stages effectively requires not only good planning and organization but also interpersonal skills, flexibility, and respect for the participant. The quality of the data collected during an interview is largely dependent on how well the interview process is managed.

Transcribing interviews

The transcription of interview data is a critical step in the qualitative research process. This involves converting the recorded audio or video interviews into written text, providing a detailed account of the dialogues that took place during the interviews.

Transcriptions allow for more detailed examination, analysis, and reporting of the data. However, making transcriptions can be arduous and time-consuming. Here are some key considerations in the transcription process:

Types of transcription

There are two main types of transcription: verbatim and clean. Verbatim transcription involves writing down every single word, pause, and utterance made during the interview. This is a very detailed and time-consuming process, but it can be useful when the researcher needs to analyze not just the content of the interview but also the way it was expressed. On the other hand, clean transcription omits irrelevant elements like stutters, repetitions, and filler words, focusing instead on the core content of the conversation.

Manual vs. automated transcription

Researchers may choose to transcribe interviews manually or use transcription software. Manual transcription, while time-consuming, allows researchers to become intimately familiar with the data and can be more accurate, especially for complex or nuanced dialogues.

Automated transcription software, however, can save time and effort, particularly for large volumes of data, although it may require manual checking and correction for errors. Some researchers choose a hybrid approach, using software for the initial transcription and then manually checking and correcting the output.

Formatting and anonymizing transcripts

To facilitate analysis, transcripts should be formatted consistently, with clear identifiers for different speakers and timestamps for reference. If there are multiple interviewers or participants, each individual's speech should be clearly marked. Additionally, to ensure confidentiality, any personally identifiable information should be removed or anonymized in the transcript. This is especially important to consider in qualitative data, because participants may talk about aspects of their lives through which they could be identified, for instance if they mention specific names, their neighborhood, or place of work.

Quality checks

Finally, it's important to check the quality of the transcript. This could involve a second person checking the transcription against the audio or the researcher re-listening to portions of the recording to confirm accuracy. Any unclear or inaudible sections should be marked in the transcript.

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Qualitative Interviewing

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First Online: 13 January 2019
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Sally Nathan 2 ,
Christy Newman 3 &
Kari Lancaster 3

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Qualitative interviewing is a foundational method in qualitative research and is widely used in health research and the social sciences. Both qualitative semi-structured and in-depth unstructured interviews use verbal communication, mostly in face-to-face interactions, to collect data about the attitudes, beliefs, and experiences of participants. Interviews are an accessible, often affordable, and effective method to understand the socially situated world of research participants. The approach is typically informed by an interpretive framework where the data collected is not viewed as evidence of the truth or reality of a situation or experience but rather a context-bound subjective insight from the participants. The researcher needs to be open to new insights and to privilege the participant’s experience in data collection. The data from qualitative interviews is not generalizable, but its exploratory nature permits the collection of rich data which can answer questions about which little is already known. This chapter introduces the reader to qualitative interviewing, the range of traditions within which interviewing is utilized as a method, and highlights the advantages and some of the challenges and misconceptions in its application. The chapter also provides practical guidance on planning and conducting interview studies. Three case examples are presented to highlight the benefits and risks in the use of interviewing with different participants, providing situated insights as well as advice about how to go about learning to interview if you are a novice.

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Interviews in the social sciences

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Nathan, S., Newman, C., Lancaster, K. (2019). Qualitative Interviewing. In: Liamputtong, P. (eds) Handbook of Research Methods in Health Social Sciences. Springer, Singapore. https://doi.org/10.1007/978-981-10-5251-4_77

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Top interview methods for research

Last updated

12 April 2023

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Jean Kaluza

What is the interview method?

An interview is one of the best methods for gathering qualitative research.

In contrast to quantitative data collection methods, interviews allow researchers to access the minds and emotions of subjects, getting more detailed and nuanced information.

While methods such as surveys and polls are useful for learning people's opinions, interviews delve deeper into:

Feelings : People may have feelings about something you can't easily quantify.

Reasons : An interviewee can explain their answer rather than checking a yes/no box.

Ambiguity : Sometimes, people have mixed feelings about a product, feature, or option.

Experience : In an interview, people reveal their unique backgrounds and life experience.

Analyze all kinds of interviews

Bring all your interviews into one place to analyze and understand

Essential factors for interviews

These are critical factors to consider before conducting interviews :

Find appropriate subjects

Who you choose as interviewees will have a major impact on your results. Consider the demographics and characteristics of your subjects.

Do you need a random sampling of opinions?

For some uses, you need to narrow it down to people with certain characteristics. If you're asking people to compare experiences playing two computer games, you'd likely want subjects familiar with gaming.

Formulate questions

The questions you ask and how you phrase them will affect the responses. Leading, loaded, biased, or unclear questions will distort results.

Select an interview format

You can conduct interviews in person, by phone, or online (via email, video conferencing, or a chatting app). While in-person interviews are ideal for getting thorough and honest answers, they can be costlier and more time-consuming.

What are the main types of interview?

The following are seven of the most effective and widely used interview methods for research.

1. Focus groups

Companies often use focus groups to test consumers' reactions to products. A focus group usually consists of interviewing 8–12 people together. These informal sessions are more like conversations than formal interviews.

The advantages of focus groups include:

You can garner a lot of feedback from multiple participants in one session.

Interviewing people in groups is simpler than arranging one-on-one interviews.

In a group setting, people often let their guard down and reveal their true feelings.

On the downside, more extroverted and aggressive participants may dominate the discussion, while shy people may be reluctant to speak up.

A group setting also requires skilled interviewers who keep the discussion on point. While the setting is usually informal, the session needs to stay on-topic.

2. Structured interview

A structured interview is usually a one-on-one discussion between interviewer and interviewee.

Structured interviews are at the other end of the formality spectrum from focus groups. Rather than a flowing conversation, this type of interview involves a series of discrete questions.

A job interview is a common example of a structured interview. Police and law enforcement agencies also employ this technique when questioning suspects or witnesses.

Advantages of this approach include:

The interview is very focused and efficient, with less room for digressions and biases.

Each interviewee answers identical questions, so the results are clear and easier to interpret than in a less structured interview.

On the other hand, the formal atmosphere of a structured interview may put interviewees on guard, making them less likely to provide authentic answers.

Some interviewees are inclined to provide the answers they think the interviewer wants, which is the social desirability bias.

While the standardized approach is useful in some ways, there are advantages to observing people's reactions when they are engaging more spontaneously.

3. Unstructured interview

An unstructured or non-directive interview is where questions are open-ended and informal.

In contrast to a structured interview, the interviewer does not have a predetermined list of questions. This creates a more conversational tone and relaxed atmosphere.

Unstructured interviews essentially have the reverse pros and cons of structured interviews.

The advantage is that interviewees are more relaxed and likely to provide honest and spontaneous answers. On the downside, the informality of unstructured interviews makes it more challenging to analyze results systematically.

Since the questions are likely to differ from one interview to the next, there will be a wider range of possible responses. This means it takes more time to analyze the results.

4. Semi-structured interview

As the name suggests, a semi-structured interview lies between a structured and unstructured format.

The interviewer doesn’t have a strict list of questions to ask in a predetermined order. Instead, a general framework gives the interview some structure.

A semi-structured interview can combine some of the benefits of structured and unstructured interviews. The format is controlled enough to provide some structure but informal enough to keep the conversation casual and interviewees at ease.

The disadvantages of this approach are similar to those of unstructured interviews to a lesser degree. Compared to a structured interview, it can be difficult to compare interviewee responses with precision.

5. Personal interview

A personal interview is an in-person, one-on-one conversation between the interviewer and interviewee. Personal interviews can also be structured, unstructured, or semi-structured.

Unlike a focus group, there are no distracting influences from other group members. The interviewee can place all of their attention on one person, allowing for in-depth communication.

The main drawback of personal interviews is the time and expense of arranging in-person sessions with each interviewee.

6. Phone interviews

The phone interview is another time-honored practice that's been around almost as long as telephones. The basic idea hasn't changed much over the years.

In this age of digital technology and big data, it's possible to locate and screen potential interview candidates more precisely.

Advantages of phone interviews include:

The convenience for researchers and interviewees

The ability to tailor them to structured, unstructured, or semi-structured formats

Saving time and money

You can talk to multiple subjects on the phone in a short period.

People who may be reluctant to take the time to attend a live session are more likely to agree to a phone interview at their convenience.

Despite their convenience, phone interviews don't provide researchers with quite the same benefits as live sessions. Disadvantages include:

Being unable to observe body language and facial expressions

Many people are distracted while on the phone

Respondents may be multitasking while on the phone, so you may be interviewing someone who’s cleaning the house, watching TV, or scrolling through social media. In person, you have a better chance of getting the interviewee's full attention.

7. Online interview

Online interviews provide some of the benefits of phone interviews with some additional possibilities.

Online interviews fall into two general categories: Asynchronous and synchronous.

Typically, you’ll conduct asynchronous interviews via email. This includes one-on-one interviews, where interviewees respond to individual emails. There are also group interviews with group emails.

Synchronous interviews are real-time, using chat programs or video conferencing software.

Video interviews provide many of the advantages of live interviews along with the convenience of phone interviews, including:

Video interviews put the user in their natural, most comfortable environments.

Researchers can observe interviewees’ facial expressions and body language.

People are less likely to be distracted or multitasking while talking into a camera.

One potential drawback of online interviews is that they require interviewees to use a certain technology. This may exclude participants who are older, less tech-savvy, or without access to the appropriate technology.

What type of interview is the best?

You need to consider your needs and budget when determining the best interview method for your research.

Generally, focus groups and other in-person interviews in the user’s most authentic environment are best. They allow for the most depth and quality of communication. However, this is not always possible due to time and financial limits.

How to conduct interviews in research

Follow these steps for conducting interviews:

Choose your interview method

When comparing interview formats, consider several criteria:

The type of research

The more complex the topic, the more advantageous it is to conduct in-person interviews.

For example, determining whether a user uses a product is much less complex than understanding exactly how and when they use it.

The population you're studying

When selecting an interview method, consider if that method favors or excludes participants.

Your budget

Phone or online interviews are a good choice if you have a limited budget, as you won’t need to secure a physical interview space.

Time constraints

In-person interviews are considerably more time-consuming than online or phone interviews.

Develop interview questions and process

The questions you ask and how you phrase them can greatly impact responses. For example, you can ask similar questions using informal language or industry jargon. You also need to avoid leading questions.

Facilitate the interview

Whether you conduct interviews in person, by phone, or online, you must select interviewees and set up times and locations.

When arranging interviews, ensure participants know how much of their time you’ll need.

Analyze your results

Analyzing the results of interviews consists of several steps:

Gather recordings of the interviews.

Transcribe the interviews:

If responses were via email, you'll already have the transcriptions

Otherwise, you can use AI tools to transcribe the interviews

Identify themes and categories, including:

Common reactions to questions

Reasons given for answers

Any reluctance to answer certain questions

Identify possible biases or limitations:

Interviewees may not represent a broad enough population

Leading questions may encourage or exclude certain answers

Tips for conducting interviews

Keep these guidelines in mind when using interviews for research:

Choose the right interview setting

For in-person interviews, be mindful of the setting. The best environment is neutral without distractions, and interviewees should feel comfortable. Ensure comfortable seating, adequate lighting, and an appropriate temperature.

Be mindful of researcher bias

Bias can intrude on research in several ways, including:

In the formulation of questions

How you ask questions (e.g., your tone of voice)

In the interpretation of data

You can minimize this by taking appropriate precautions.

The most common types of researcher bias include:

Selection bias

You exclude part of the target population from the research.

Analysis bias

Researchers may emphasize data that confirms their beliefs.

Interviewer bias

The way you ask a question or your attitude can influence the response.

Here’s an example:

"How often do you engage in unhealthy habits?"

The negative connotations of " unhealthy " may influence the interviewee to understate how often they actually engage in the behavior.

Response bias

Researchers need to be aware of bias on the part of interviewees . People may answer questions based on what they think is the right or socially acceptable answer.

Sometimes interviewees can go silent or not speak their minds enough. You can use several techniques to try to get the information from a participant:

Remind them to “ think aloud. ”

More timid participants may need extra encouragement: Humor can bring down walls.

Playing dumb about specifics can boost confidence in quieter participants.

Silence is a powerful tool—it can open up even the most difficult subjects.

Advantages and disadvantages of interviews

Here are some pros and cons of interviews as a research method:

Good for qualitative research, producing more than simple answers from surveys

In-person and video interviews provide non-verbal clues about how interviewees feel.

Disadvantages

Interviews are a costly, time-consuming research method.

Lack of anonymity may cause respondents to be less honest on sensitive topics.

Personal interaction can trigger interviewers’ and interviewees’ biases.

Interviews are a valuable research tool

Interviews are extremely helpful for qualitative research, providing in-depth insights into people's opinions and experiences. Take the time to identify the most appropriate subjects to interview and questions to ask them to get the best results from interviews. It's also critical to account for and minimize biases.

You can use phone or online interviews if you have time or budget constraints.

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Research Interviews: An effective and insightful way of data collection

Research interviews play a pivotal role in collecting data for various academic, scientific, and professional endeavors. They provide researchers with an opportunity to delve deep into the thoughts, experiences, and perspectives of an individual, thus enabling a comprehensive understanding of complex phenomena. It is important for researchers to design an effective and insightful method of data collection on a particular topic. A research interview is typically a two-person meeting conducted to collect information on a certain topic. It is a qualitative data collection method to gain primary information.

The three key features of a research interview are as follows:

Table of Contents

The Significance of Research Interviews in Gathering Primary Data

The role of research interviews in gathering first-hand information is invaluable. Additionally, they allow researchers to interact directly with participants, enabling them to collect unfiltered primary data.

1. Subjective Experience

Research interviews facilitate in-depth exploration of a research topic. Thus, by engaging in one-to-one conversation with participants, researchers can delve into the nuances and complexities of their experiences, perspectives, and opinions. This allows comprehensive understanding of the research subject that may not be possible through other methods. Also, research interviews offer the unique advantage of capturing subjective experiences through personal narratives. Moreover, participants can express their thoughts, feelings, and beliefs, which add depth to the findings.

2. Personal Insights

Research interviews offer an opportunity for participants to share their views and opinions on the objective they are being interviewed for. Furthermore, participants can express their thoughts and experiences, providing rich qualitative data . Consequently, these personal narratives add a human element to the research, thus enhancing the understanding of the topic from the participants’ perspectives. Research interviews offer the opportunity to uncover unanticipated insights or emerging themes. Additionally, open-ended questions and active listening can help the researchers to identify new perspectives, ideas, or patterns that may not have been initially considered. As a result, these factors can lead to new avenues for exploration.

3. Clarification and Validation

Researchers can clarify participants’ responses and validate their understanding during an interview. This ensures accurate data collection and interpretation. Additionally, researchers can probe deeper into participants’ statements and seek clarification on any ambiguity in the information.

4. Contextual Information

Research interviews allow researchers to gather contextual information that offers a comprehensive understanding of the research topic. Additionally, participants can provide insights into the social, cultural, or environmental factors that shape their experiences, behaviors, and beliefs. This contextual information helps researchers place the data in a broader context and facilitates a more nuanced analysis.

5. Non-verbal Cues

In addition to verbal responses, research interviews allow researchers to observe non-verbal cues such as body language, facial expressions, and tone of voice. Additionally, non-verbal cues can convey information, such as emotions, attitudes, or levels of comfort. Furthermore, integrating non-verbal cues with verbal responses provides a more holistic understanding of participants’ experiences and enriches the data collection process.

Research interviews offer several advantages, making them a reliable tool for collecting information. However, choosing the right type of research interview is essential for collecting useful data.

Types of Research Interviews

There are several types of research interviews that researchers can use based on their research goals , the nature of their study, and the data they aim to collect. Here are some common types of research interviews:

1. Structured Interviews

Structured interviews are standardized and follow a fixed format.
Therefore, these interviews have a pre-determined set of questions.
All the participants are asked the same set of questions in the same order.
Therefore, this type of interview facilitates standardization and allows easy comparison and quantitative analysis of responses.
As a result, structured interviews are used in surveys or studies which aims for a high level of standardization and comparability.

2. Semi-structured Interviews

Semi-structured interviews offer a flexible framework by combining pre-determined questions.
So, this gives an opportunity for follow-up questions and open-ended discussions.
Researchers have a list of core questions but can adapt the interview depending on the participant’s responses.
Consequently, this allows for in-depth exploration while maintaining some level of consistency across interviews.
As a result, semi-structured interviews are widely used in qualitative research, where content-rich data is desired.

3. Unstructured Interviews

Unstructured interviews provide the greatest flexibility and freedom in the interview process.
This type do not have a pre-determined set of questions.
Thus, the conversation flows naturally based on the participant’s responses and the researcher’s interests.
Moreover, this type of interview allows for open-ended exploration and encourages participants to share their experiences, thoughts, and perspectives freely.
Unstructured interviews useful to explore new or complex research topics, with limited preconceived questions.

4. Group Interviews (Focus Groups)

Group interviews involve multiple participants who engage in a facilitated discussion on a specific topic.
This format allows the interaction and exchange of ideas among participants, generating a group dynamic.
Therefore, group interviews are beneficial for capturing diverse perspectives, and generating collective insights.
They are often used in market research, social sciences, or studies demanding shared experiences.

5. Narrative Interviews

Narrative interviews focus on eliciting participants’ personal stories, views, experiences, and narratives. Researchers aim to look into the individual’s life journey.
As a result, this type of interview allows participants to construct and share their own narratives, providing rich qualitative data.
Qualitative research, oral history, or studies focusing on individual experiences and identities uses narrative interviews.

6. Ethnographic Interviews

Ethnographic interviews are conducted within the context of ethnographic research, where researchers immerse themselves in a specific social or cultural setting.
These interviews aim to understand participants’ experiences, beliefs, and practices within their cultural context, thereby understanding diversity in different ethnic groups.
Furthermore, ethnographic interviews involve building rapport, observing the participants’ daily lives, and engaging in conversations that capture the nuances of the culture under study.

It must be noted that these interview types are not mutually exclusive. Therefore, researchers often employ a combination of approaches to gather the most comprehensive data for their research. The choice of interview type depends on the research objectives and the nature of the research topic.

Steps of Conducting a Research Interview

Research interviews offer several benefits, and thus careful planning and execution of the entire process are important to gather in-depth information from the participants. While conducting an interview, it is essential to know the necessary steps to follow for ensuring success. The steps to conduct a research interview are as follows:

Identify the objectives and understand the goals
Select an appropriate interview format
Organize the necessary materials for the interview
Understand the questions to be addressed
Analyze the demographics of interviewees
Select the interviewees
Design the interview questions to gather sufficient information
Schedule the interview
Explain the purpose of the interview
Analyze the interviewee based on his/her responses

Considerations for Research Interviews

Since the flexible nature of research interviews makes them an invaluable tool for data collection, researchers must consider certain factors to make the process effective. They should avoid bias and preconceived notion against the participants. Furthermore, researchers must comply with ethical considerations and respect the cultural differences between them and the participants. Also, they should ensure careful tailoring of the questions to avoid making them offensive or derogatory. The interviewers must respect the privacy of the participants and ensure the confidentiality of their details.

By ensuring due diligence of these considerations associated with research interviews, researchers can maximize the validity and reliability of the collected data, leading to robust and meaningful research outcomes.

Have you ever conducted a research interview? What was your experience? What factors did you consider when conducting a research interview? Share it with researchers worldwide by submitting your thought piece on Enago Academy’s Open Blogging Platform .

Frequently Asked Questions

• Identify the objectives of the interview • State and explain the purpose of the interview • Select an appropriate interview format • Organize the necessary materials for the Interview • Check the demographics of the participants • Select the Interviewees or the participants • Prepare the list of questions to gather maximum useful data from the participants • Schedule the Interview • Analyze the participant based on his/ her Responses

Interviews are important in research as it helps to gather elaborative first-hand information. It helps to draw conclusions from the non-verbal views and personal experiences. It reduces the ambiguity of data through detailed discussions.

The advantages of research interviews are: • It offers first-hand information • Offers detailed assessment which can result in elaborate conclusions • It is easy to conduct • Provides non-verbal cues The disadvantages of research interviews are: • There is a risk of personal bias • It can be time consuming • The outcomes might be unpredictable

The difference between structured and unstructured interview are: • Structured interviews have well-structured questions in a pre-determined order; while unstructured interviews are flexible and do not have a pre-planned set of questions. • Structured interview is more detailed; while unstructured interviews are exploratory in nature. • Structured interview is easier to replicate as compared to unstructured interview.

Focus groups is a group of multiple participants engaging in a facilitated discussion on a specific topic. This format allows for interaction and exchange of ideas among participants.

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Introduction to Research Methods

6 qualitative research and interviews.

So we’ve described doing a survey and collecting quantitative data. But not all questions can best be answered by a survey. A survey is great for understanding what people think (for example), but not why they think what they do. If your research is intending to understand the underlying motivations or reasons behind peoples actions, or to build a deeper understanding on the background of a subject, an interview may be the more appropriate data collection method.

Interviews are a method of data collection that consist of two or more people exchanging information through a structured process of questions and answers. Questions are designed by the researcher to thoughtfully collect in-depth information on a topic or set of topics as related to the central research question. Interviews typically occur in-person, although good interviews can also be conducted remotely via the phone or video conferencing. Unlike surveys, interviews give the opportunity to ask follow-up questions and thoughtfully engage with participants on the spot (rather than the anonymous and impartial format of survey research).

And surveys can be used in qualitative or quantitative research – though they’re more typically a qualitative technique. In-depth interviews , containing open-ended questions and structured by an interview guide . One can also do a standardized interview with closed-ended questions (i.e. answer options) that are structured by an interview schedule as part of quantitative research. While these are called interviews they’re far closer to surveys, so we wont cover them again in this chapter. The terms used for in-depth interviews we’ll cover in the next section.

6.1 Interviews

In-depth interviews allow participants to describe experiences in their own words (a primary strength of the interview format). Strong in-depth interviews will include many open-ended questions that allow participants to respond in their own words, share new ideas, and lead the conversation in different directions. The purpose of open-ended questions and in-depth interviews is to hear as much as possible in the person’s own voice, to collect new information and ideas, and to achieve a level of depth not possible in surveys or most other forms of data collection.

Typically, an interview guide is used to create a soft structure for the conversation and is an important preparation tool for the researcher. You can not go into an interview unprepared and just “wing it”; what the interview guide allows you to do is map out a framework, order of topics, and may include specific questions to use during the interview. Generally, the interview guide is thought of as just that — a guide to use in order to keep the interview focused. It is not set in stone and a skilled researcher can change the order of questions or topics in an interviews based on the organic conversation flow.

Depending on the experience and skill level of the researcher, an interview guide can be as simple as a list of topics to cover. However, for consistency and quality of research, the interviewer may want to take the time to at least practice writing out questions in advance to ensure that phrasing and word choices are as clear, objective, and focused as possible. It’s worth remembering that working out the wording of questions in advance allows researchers to ensure more consistency across interview. The interview guide below, taken from the wonderful and free textbook Principles of Sociological Inquiry , shows an interview guide that just has topics.

Alternatively, you can use a more detailed guide that lists out possible questions, as shown below. A more detailed guide is probably better for an interviewer that has less experience, or is just beginning to work on a given topic.

The purpose of an interview guide is to help ask effective questions and to support the process of acquiring the best possible data for your research. Topics and questions should be organized thematically, and in a natural progression that will allow the conversation to flow and deepen throughout the course of the interview. Often, researchers will attempt to memorize or partially memorize the interview guide, in order to be more fully present with the participant during the conversation.

6.2 Asking good Questions

Remember, the purposes of interviews is to go more in-depth with an individual than is possible with a generalized survey. For this reason, it is important to use the guide as a starting point but not to be overly tethered to it during the actual interview process. You may get stuck when respondents give you shorter answers than you expect, or don’t provide the type of depth that you need for your research. Often, you may want to probe for more specifics. Think about using follow up questions like “How does/did that affect you?” or “How does X make you feel?” and “Tell me about a time where X…”

For example, if I was researching the relationship between pets and mental health, some strong open-ended questions might be: * How does your pet typically make you feel when you wake up in the morning? * How does your pet generally affect your mood when you arrive home in the evening? * Tell me about a time when your pet had a significant impact on your emotional state.

Questions framed in this manner leave plenty of room for the respondent to answer in their own words, as opposed to leading and/or truncated questions, such as: * Does being with your pet make you happy? * After a bad day, how much does seeing your pet improve your mood? * Tell me about how important your pet is to your mental health.

These questions assume outcomes and will not result in high quality research. Researchers should always avoid asking leading questions that give away an expected answer or suggest particular responses. For instance, if I ask “we need to spend more on public schools, don’t you think?” the respondent is more likely to agree regardless of their own thoughts. Some wont, but humans generally have a strong natural desire to be agreeable. That’s why leaving your questions neutral and open so that respondents can speak to their experiences and views is critical.

6.3 Analyzing Interview Data

Writing good questions and interviewing respondents are just the first steps of the interview process. After these stages, the researcher still has a lot of work to do to collect usable data from the interview. The researcher must spend time coding and analyzing the interview to retrieve this data. Just doing an interview wont produce data. Think about how many conversations you have everyday, and none of those are leaving you swimming in data.

Hopefully you can record your interviews. Recording your interviews will allow you the opportunity to transcribe them word for word later. If you can’t record the interview you’ll need to take detailed notes so that you can reconstruct what you heard later. Do not trust yourself to “just remember” the conversation. You’re collecting data, precious data that you’re spending time and energy to collect. Treat it as important and valuable. Remember our description of the methodology section from Chapter 2, you need to maintain a chain of custody on your data. If you just remembered the interview, you could be accused of making up the results. Your interview notes and the recording become part of that chain of custody to prove to others that your interviews were real and that your results are accurate.

Assuming you recorded your interview, the first step in the analysis process is transcribing the interview. A transcription is a written record of every word in an interview. Transcriptions can either be completed by the researcher or by a hired worker, though it is good practice for the researcher to transcribe the interview him or herself. Researchers should keep the following points in mind regarding transcriptions: * The interview should take place in a quiet location with minimal background noise to produce a clear recording; * Transcribing interviews is a time-consuming process and may take two to three times longer than the actual interview; * Transcriptions provide a more precise record of the interview than hand written notes and allow the interviewer to focus during the interview.

After transcribing the interview, the next step is to analyze the responses. Coding is the main form of analysis used for interviews and involves studying a transcription to identify important themes. These themes are categorized into codes, which are words or phrases that denote an idea.

You’ll typically being with several codes in mind that are generated by key ideas you week seeking in the questions, but you can also being by using open coding to understand the results. An open coding process involves reading through the transcript multiple times and paying close attention to each line of the text to discover noteworthy concepts. During the open coding process, the researcher keeps an open mind to find any codes that may be relevant to the research topic.

After the open coding process is complete, focused coding can begin. Focused coding takes a closer look at the notes compiled during the open coding stage to merge common codes and define what the codes mean in the context of the research project.

Imagine a researcher is conducting interviews to learn about various people’s experiences of childhood in New Orleans. The following example shows several codes that this researcher extrapolated from an interview with one of their subjects.

6.4 Using interview data

The next chapter will address ways to identify people to interview, but most of the remainder of the book will address how to analyze quantitative data. That shouldn’t be taken as a sign that quantitative data is better, or that it’s easier to use interview data. Because in an interview the researcher must interpret the words of others it is often more challenging to identify your findings and clearly answer your research question. However, quantitative data is more common, and there are more different things you can do with it, so we spend a lot of the textbook focusing on it.

I’ll work through one more example of using interview data though. It takes a lot of practice to be a good and skilled interviewer. What I show below is a brief excerpt of an interview I did, and how that data was used in a resulting paper I wrote. These aren’t the only way you can use interview data, but it’s an example of what the intermediary and final product might look like.

The overall project these are drawn from was concerned with minor league baseball stadiums, but the specific part I’m pulling from here was studying the decline and rejuvenation of downtown around those stadiums in several cities. You’ll see that I’m using the words of the respondent fairly directly, because that’s my data. But I’m not just relying on one respondent and trusting them, I did a few dozen interviews in order to understand the commonalities in people’s perspectives to build a narrative around my research question.

Excerpt from Notes

Excerpt from Resulting Paper

How many interviews are necessary? It actually doesn’t take many. What you want to observe in your interviews is theoretical saturation , where the codes you use in the transcript begin to appear across conversations and groups. If different people disagree that’s fine, but what you want to understand is the commonalities across peoples perspectives. Most research on the subject says that with 8 interviews you’ll typically start to see a decline in new information gathered. That doesn’t mean you won’t get new words , but you’ll stop hearing completely unique perspectives or gain novel insights. At that point, where you’ve ‘heard it all before’ you can stop, because you’ve probably identified the answer to the questions you were trying to research.

6.5 Ensuring Anonymity

One significant ethical concern with interviews, that also applies to surveys, is making sure that respondents maintain anonymity. In either form of data collection you may be asking respondents deeply personal questions, that if exposed may cause legal, personal, or professional harm. Notice that in the excerpt of the paper above the respondents are only identified by an id I assigned (Louisville D) and their career, rather than their name. I can only include the excerpt of the interview notes above because there are no details that might lead to them being identified.

You may want to report details about a person to contextualize the data you gathered, but you should always ensure that no one can be identified from your research. For instance, if you were doing research on racism at large companies, you may want to preface people’s comments by their race, as there is a good chance that white and minority employees would feel differently about the issues. However, if you preface someones comments by saying they’re a minority manager, that may violate their anonymity. Even if you don’t state what company you did interviews with, that may be enough detail for their co-workers to identify them if there are few minority managers at the company. As such, always think long and hard about whether there is any way that the participation of respondents may be exposed.

6.6 Why not both?

We’ve discussed surveys and interviews as different methods the last two chapters, but they can also complement each other.

For instance, let’s say you’re curious to study people who change opinions on abortion, either going from support to opposition or vice versa. You could use a survey to understand the prevalence of changing opinions, i.e. what percentage of people in your city have changed their views. That would help to establish whether this is a prominent issue, or whether it’s a rare phenomenon. But it would be difficult to understand from the survey what makes people change their views. You could add an open ended question for anyone that said they changed their opinion, but many people won’t respond and few will provide the level of detail necessary to understand their motivations. Interviews with people that have changed their opinions would give you an opportunity to explore how their experiences and beliefs have changed in combination with their views towards abortion.

6.7 Summary

In the last two chapters we’ve discussed the two most prominent methods of data collection in the social sciences: surveys and interviews. What we haven’t discussed though is how to identify the people you’ll collect data from; that’s called a sampling strategy. In the next chapter

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Chapter 13: Interviews

Danielle Berkovic

Learning outcomes

Upon completion of this chapter, you should be able to:

Understand when to use interviews in qualitative research.
Develop interview questions for an interview guide.
Understand how to conduct an interview.

What are interviews?

An interviewing method is the most commonly used data collection technique in qualitative research. 1 The purpose of an interview is to explore the experiences, understandings, opinions and motivations of research participants. 2 Interviews are conducted one-on-one with the researcher and the participant. Interviews are most appropriate when seeking to understand a participant’s subjective view of an experience and are also considered suitable for the exploration of sensitive topics.

What are the different types of interviews?

There are four main types of interviews:

Key stakeholder: A key stakeholder interview aims to explore one issue in detail with a person of interest or importance concerning the research topic. 3 Key stakeholder interviews seek the views of experts on some cultural, political or health aspects of the community, beyond their personal beliefs or actions. An example of a key stakeholder is the Chief Health Officer of Victoria (Australia’s second-most populous state) who oversaw the world’s longest lockdowns in response to the COVID-19 pandemic.
Dyad: A dyad interview aims to explore one issue in a level of detail with a dyad (two people). This form of interviewing is used when one participant of the dyad may need some support or is not wholly able to articulate themselves (e.g. people with cognitive impairment, or children). Independence is acknowledged and the interview is analysed as a unit. 4
Narrative: A narrative interview helps individuals tell their stories, and prioritises their own perspectives and experiences using the language that they prefer. 5 This type of interview has been widely used in social research but is gaining prominence in health research to better understand person-centred care, for example, negotiating exercise and food abstinence whilst living with Type 2 diabetes. 6,7
Life history: A life history interview allows the researcher to explore a person’s individual and subjective experiences within a history of the time framework. 8 Life history interviews challenge the researcher to understand how people’s current attitudes, behaviours and choices are influenced by previous experiences or trauma. Life history interviews have been conducted with Holocaust survivors 9 and youth who have been forcibly recruited to war. 10

Table 13.4 provides a summary of four studies, each adopting one of these types of interviews.

Interviewing techniques

There are two main interview techniques:

Semi-structured: Semi-structured interviewing aims to explore a few issues in moderate detail, to expand the researcher’s knowledge at some level. 11 Semi-structured interviews give the researcher the advantage of remaining reasonably objective while enabling participants to share their perspectives and opinions. The researcher should create an interview guide with targeted open questions to direct the interview. As examples, semi-structured interviews have been used to extend knowledge of why women might gain excess weight during pregnancy, 12 and to update guidelines for statin uptake. 13
In-depth: In-depth interviewing aims to explore a person’s subjective experiences and feelings about a particular topic. 14 In-depth interviews are often used to explore emotive (e.g. end-of-life care) 15 and complex (e.g. adolescent pregnancy) topics. 16 The researcher should create an interview guide with selected open questions to ask of the participant, but the participant should guide the direction of the interview more than in a semi-structured setting. In-depth interviews value participants’ lived experiences and are frequently used in phenomenology studies (as described in Chapter 6) .

When to use the different types of interview s

The type of interview a researcher uses should be determined by the study design, the research aims and objectives, and participant demographics. For example, if conducting a descriptive study, semi-structured interviews may be the best method of data collection. As explained in Chapter 5 , descriptive studies seek to describe phenomena, rather than to explain or interpret the data. A semi-structured interview, which seeks to expand upon some level of existing knowledge, will likely best facilitate this.

Similarly, if conducting a phenomenological study, in-depth interviews may be the best method of data collection. As described in Chapter 6 , the key concept of phenomenology is the individual. The emphasis is on the lived experience of that individual and the person’s sense-making of those experiences. Therefore, an in-depth interview is likely best placed to elicit that rich data.

While some interview types are better suited to certain study designs, there are no restrictions on the type of interview that may be used. For example, semi-structured interviews provide an excellent accompaniment to trial participation (see Chapter 11 about mixed methods), and key stakeholder interviews, as part of an action research study, can be used to define priorities, barriers and enablers to implementation.

How do I write my interview questions?

An interview aims to explore the experiences, understandings, opinions and motivations of research participants. The general rule is that the interviewee should speak for 80 per cent of the interview, and the interviewer should only be asking questions and clarifying responses, for about 20 per cent of the interview. This percentage may differ depending on the interview type; for example, a semi-structured interview involves the researcher asking more questions than in an in-depth interview. Still, to facilitate free-flowing responses, it is important to use open-ended language to encourage participants to be expansive in their responses. Examples of open-ended terms include questions that start with ‘who’, ‘how’ and ‘where’.

The researcher should avoid closed-ended questions that can be answered with yes or no, and limit conversation. For example, asking a participant ‘Did you have this experience?’ can elicit a simple ‘yes’, whereas asking them to ‘Describe your experience’, will likely encourage a narrative response. Table 13.1 provides examples of terminology to include and avoid in developing interview questions.

Table 13.1. Interview question formats to use and avoid

Use	Avoid
Tell me about…	Do you think that…
What happened when…	Will you do this…
Why is this important?	Did you believe that…
How did you feel when… How do you…	Were there issues from your perspective…
What are the… What does...

How long should my interview be?

There is no rule about how long an interview should take. Different types of interviews will likely run for different periods of time, but this also depends on the research question/s and the type of participant. For example, given that a semi-structured interview is seeking to expand on some previous knowledge, the interview may need no longer than 30 minutes, or up to one hour. An in-depth interview seeks to explore a topic in a greater level of detail and therefore, at a minimum, would be expected to last an hour. A dyad interview may be as short as 15 minutes (e.g. if the dyad is a person with dementia and a family member or caregiver) or longer, depending on the pairing.

Designing your interview guide

To figure out what questions to ask in an interview guide, the researcher may consult the literature, speak to experts (including people with lived experience) about the research and draw on their current knowledge. The topics and questions should be mapped to the research question/s, and the interview guide should be developed well in advance of commencing data collection. This enables time and opportunity to pilot-test the interview guide. The pilot interview provides an opportunity to explore the language and clarity of questions, the order and flow of the guide and to determine whether the instructions are clear to participants both before and after the interview. It can be beneficial to pilot-test the interview guide with someone who is not familiar with the research topic, to make sure that the language used is easily understood (and will be by participants, too). The study design should be used to determine the number of questions asked and the duration of the interview should guide the extent of the interview guide. The participant type may also determine the extent of the interview guide; for example, clinicians tend to be time-poor and therefore shorter, focused interviews are optimal. An interview guide is also likely to be shorter for a descriptive study than a phenomenological or ethnographic study, given the level of detail required. Chapter 5 outlined a descriptive study in which participants who had undergone percutaneous coronary intervention were interviewed. The interview guide consisted of four main questions and subsequent probing questions, linked to the research questions (see Table 13.2). 17

Table 13.2. Interview guide for a descriptive study

Research question	Open questions	Probing questions and topics
How does the patient feel, physically and psychologically, after their procedure?	From your perspective, what would be considered a successful outcome of the procedure?	Did the procedure meet your expectations? How do you define whether the procedure was successful?
How did you feel after the procedure?	How did you feel one week after the procedure and how does that compare with how you feel now?
How does the patient function after their procedure?	After your procedure, tell me about your ability to do your daily activities?	Prompt for activities including gardening, housework, personal care, work-related and family-related tasks. Did you attend cardiac rehabilitation? Can you tell us about your experience of cardiac rehabilitation? What effect has medication had on your recovery?
What are the long-term effects of the procedure?	What, if any, lifestyle changes have you made since your procedure?

Table 13.3 is an example of a larger and more detailed interview guide, designed for the qualitative component of a mixed-methods study aiming to examine the work and financial effects of living with arthritis as a younger person. The questions are mapped to the World Health Organization’s International Classification of Functioning, Disability, and Health, which measures health and disability at individual and population levels. 18

Table 13.3. Detailed interview guide

Research questions	Open questions	Probing questions
How do young people experience their arthritis diagnosis?	Tell me about your experience of being diagnosed with arthritis. How did being diagnosed with arthritis make you feel? Tell me about your experience of arthritis flare ups what do they feel like? What impacts arthritis flare ups or feeling like your arthritis is worse? What circumstances lead to these feelings? Based on your experience, what do you think causes symptoms of arthritis to become worse?	When were you diagnosed with arthritis? What type of arthritis were you diagnosed with? Does anyone else in your family have arthritis? What relation are they to you?
What are the work impacts of arthritis on younger people?	What is your field of work, and how long have you been in this role? How frequently do you work (full-time/part-time/casual)?	How has arthritis affected your work-related demands or career? How so? Has arthritis led you to reconsider your career? How so? Has arthritis affected your usual working hours each week? How so? How have changes to work or career because of your arthritis impacted other areas of life, i.e. mental health or family role?
What are the financial impacts of living with arthritis as a younger person?	Has your arthritis led to any financial concerns?	Financial concerns pertaining to: • Direct costs: rheumatologist, prescribed and non-prescribed medications (as well as supplements), allied health costs (rheumatology, physiotherapy, chiropractic, osteopathy, myotherapy), Pilates, and gym/personal trainer fees, complementary therapies. • Indirect costs: workplace absenteeism, productivity, loss of wages, informal care, cost of different types of insurance: health insurance (joint replacements)

It is important to create an interview guide, for the following reasons:

The researcher should be familiar with their research questions.
Using an interview guide will enable the incorporation of feedback from the piloting process.
It is difficult to predict how participants will respond to interview questions. They may answer in a way that is anticipated or they may provide unanticipated insights that warrant follow-up. An interview guide (a physical or digital copy) enables the researcher to note these answers and follow-up with appropriate inquiry.
Participants will likely have provided heterogeneous answers to certain questions. The interview guide enables the researcher to note similarities and differences across various interviews, which may be important in data analysis.
Even experienced qualitative researchers get nervous before an interview! The interview guide provides a safety net if the researcher forgets their questions or needs to anticipate the next question.

Setting up the interview

In the past, most interviews were conducted in person or by telephone. Emerging technologies promote easier access to research participation (e.g. by people living in rural or remote communities, or for people with mobility limitations). Even in metropolitan settings, many interviews are now conducted electronically (e.g. using videoconferencing platforms). Regardless of your interview setting, it is essential that the interview environment is comfortable for the participant. This process can begin as soon as potential participants express interest in your research. Following are some tips from the literature and our own experiences of leading interviews:

Answer questions and set clear expectations . Participating in research is not an everyday task. People do not necessarily know what to expect during a research interview, and this can be daunting. Give people as much information as possible, answer their questions about the research and set clear expectations about what the interview will entail and how long it is expected to last. Let them know that the interview will be recorded for transcription and analysis purposes. Consider sending the interview questions a few days before the interview. This gives people time and space to reflect on their experiences, consider their responses to questions and to provide informed consent for their participation.
Consider your setting . If conducting the interview in person, consider the location and room in which the interview will be held. For example, if in a participant’s home, be mindful of their private space. Ask if you should remove your shoes before entering their home. If they offer refreshments (which in our experience many participants do), accept it with gratitude if possible. These considerations apply beyond the participant’s home; if using a room in an office setting, consider privacy and confidentiality, accessibility and potential for disruption. Consider the temperature as well as the furniture in the room, who may be able to overhear conversations and who may walk past. Similarly, if interviewing by phone or online, take time to assess the space, and if in a house or office that is not quiet or private, use headphones as needed.
Build rapport. The research topic may be important to participants from a professional perspective, or they may have deep emotional connections to the topic of interest. Regardless of the nature of the interview, it is important to remember that participants are being asked to open up to an interviewer who is likely to be a stranger. Spend some time with participants before the interview, to make sure that they are comfortable. Engage in some general conversation, and ask if they have any questions before you start. Remember that it is not a normal part of someone’s day to participate in research. Make it an enjoyable and/or meaningful experience for them, and it will enhance the data that you collect.
Let participants guide you. Oftentimes, the ways in which researchers and participants describe the same phenomena are different. In the interview, reflect the participant’s language. Make sure they feel heard and that they are willing and comfortable to speak openly about their experiences. For example, our research involves talking to older adults about their experience of falls. We noticed early in this research that participants did not use the word ‘fall’ but would rather use terms such as ‘trip’, ‘went over’ and ‘stumbled’. As interviewers we adopted the participant’s language into our questions.
Listen consistently and express interest. An interview is more complex than a simple question-and-answer format. The best interview data comes from participants feeling comfortable and confident to share their stories. By the time you are completing the 20th interview, it can be difficult to maintain the same level of concentration as with the first interview. Try to stay engaged: nod along with your participants, maintain eye contact, murmur in agreement and sympathise where warranted.
The interviewer is both the data collector and the data collection instrument. The data received is only as good as the questions asked. In qualitative research, the researcher influences how participants answer questions. It is important to remain reflexive and aware of how your language, body language and attitude might influence the interview. Being rested and prepared will enhance the quality of the questions asked and hence the data collected.
Avoid excessive use of ‘why’. It can be challenging for participants to recall why they felt a certain way or acted in a particular manner. Try to avoid asking ‘why’ questions too often, and instead adopt some of the open language described earlier in the chapter.

After your interview

When you have completed your interview, thank the participant and let them know they can contact you if they have any questions or follow-up information they would like to provide. If the interview has covered sensitive topics or the participant has become distressed throughout the interview, make sure that appropriate referrals and follow-up are provided (see section 6).

Download the recording from your device and make sure it is saved in a secure location that can only be accessed by people on the approved research team (see Chapters 35 and 36).

It is important to know what to do immediately after each interview is completed. Interviews should be transcribed – that is, reproduced verbatim for data analysis. Transcribing data is an important step in the process of analysis, but it is very time-consuming; transcribing a 60-minute interview can take up to 8 hours. Data analysis is discussed in Section 4.

Table 13.4. Examples of the four types of interviews

Title
CC Licence
First author and year	Cuthbertson, 2019	Bannon, 2021	McGranahan, 2020	Gutierrez-Garcia, 2021
Interview type	Key stakeholder	Dyad	Narrative	Life history
Interview guide	Appendix A	eAppendix Supplement	Not provided, but the text states that ‘qualitative semi-structured narrative interviews’ were conducted.’ [methods]	Not provided, but the text states that ‘an open and semi-structured question guide was designed for use.' [methods]
Study design	Convergent mixed-methods study	Qualitative dyadic study	Narrative interview study	Life history and lifeline techniques
Number of participants	30 Key stakeholders were emergency management or disaster healthcare practitioners, academics specialising in disaster management in the Oceania region, and policy managers.	23 dyads	28	7
Aim	‘To investigate threats to the health and well-being of societies associated with disaster impact in Oceania.’ [abstract]	‘To explore the lived experiences of couples managing young-onset dementia using an integrated dyadic coping model.’[abstract]	‘To explore the experiences and views of people with psychotic experiences who have not received any treatment or other support from mental health services for the past 5 years.’ [abstract]	‘To analyse the use of life histories and lifelines in the study of female genital mutilation in the context of cross-cultural research in participants with different languages.’ [abstract]
Country	Australia, Fiji, Indonesia, Aotearoa New Zealand, Timor Leste and Tonga	United States	England	Spain
Length of interview	45–60 minutes	60 minutes	40-120 minutes	3 sessions Session 1: life history interview Session 2: Lifeline activity where participants used drawings to complement or enhance their interview Session 3: The researchers and participants worked together to finalise the lifeline. The life history interviews ran for 40 – 60 minutes. The timing for sessions 2 and 3 is not provided.
Sample of interview questions from interview guide	1. What do you believe are the top five disaster risks or threats in the Oceania region today? 2. What disaster risks do you believe are emerging in the Oceania region over the next decade? 3. Why do you think these are risks? 4. What are the drivers of these risks? 5. Do you have any suggestions on how we can improve disaster risk assessment? 6. Are the current disaster risk plans and practices suited to the future disaster risks? If not, why? If not, what do you think needs to be done to improve them? 7. What are the key areas of disaster practice that can enhance future community resilience to disaster risk? 8. What are the barriers or inhibitors to facilitating this practice? 9. What are the solutions or facilitators to enhancing community resilience? [Appendix A]	1. We like to start by learning more about what you each first noticed that prompted the evaluations you went through to get to the diagnosis. • Can you each tell me about the earliest symptoms you noticed? 2. What are the most noticeable or troubling symptoms that you have experienced since the time of diagnosis? • How have your changes in functioning impacted you? • Emotionally, how do you feel about your symptoms and the changes in functioning you are experiencing? 3. Are you open with your friends and family about the diagnosis? • Have you experienced any stigma related to your diagnosis? 4. What is your understanding of the diagnosis? • What is your understanding about the how this condition will affect you both in the future? How are you getting information about this diagnosis? [eAppendix Supplement]	Not provided.	Not provided.
Analysis	Thematic analysis guided by The Hazard and Peril Glossary for describing and categorising disasters applied by the Centre for Research on the Epidemiology of Disasters Emergency Events Database	Thematic analysis guided by the Dyadic Coping Theoretical Framework	Inductive thematic analysis outlined by Braun and Clarke.	Phenomenological method proposed by Giorgi (sense of the whole): 1. Reading the entire description to obtain a general sense of the discourse 2. The researcher goes back to the beginning and reads the text again, with the aim of distinguishing the meaning units by separating the perspective of the phenomenon of interest 3. The researcher expresses the contents of the units of meaning more clearly by creating categories 4. The researcher synthesises the units and categories of meaning into a consistent statement that takes into account the participant’s experience and language.
Main themes	1. Climate change is observed as a contemporary and emerging disaster risk 2. Risk is contextual to the different countries, communities and individuals in Oceania. 3. Human development trajectories and their impact, along with perceptions of a changing world, are viewed as drivers of current and emerging risks. 4. Current disaster risk plans and practices are not suited to future disaster risks. 5. Increased education and education of risk and risk assessment at a local level to empower community risk ownership. [Results, Box 1]	1. Stress communication 2. Positive individual dyadic coping 3. Positive conjoint dyadic coping 4. Negative individual dyadic coping 5. Negative conjoint dyadic coping [Abstract]	1. Perceiving psychosis as positive 2. Making sense of psychotic experiences 3. Finding sources of strength 4. Negative past experiences of mental health services 5. Positive past experiences with individual clinicians [Abstract]	1. Important moments and their relationship with female genital mutilation 2. The ritual knife: how sharp or blunt it is at different stages, where and how women are subsequently held as a result 3. Changing relationships with family: how being subject to female genital mutilation changed relationships with mothers 4. Female genital mutilation increases the risk of future childbirth complications which change relationships with family and healthcare systems 5. Managing experiences with early exposure to physical and sexual violence across the lifespan.

Interviews are the most common data collection technique in qualitative research. There are four main types of interviews; the one you choose will depend on your research question, aims and objectives. It is important to formulate open-ended interview questions that are understandable and easy for participants to answer. Key considerations in setting up the interview will enhance the quality of the data obtained and the experience of the interview for the participant and the researcher.

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Olorunsaiye CZ, Degge HM, Ubanyi TO, Achema TA, Yaya S. “It’s like being involved in a car crash”: teen pregnancy narratives of adolescents and young adults in Jos, Nigeria. Int Health . 2022;14(6):562-571. doi:10.1093/inthealth/ihab069
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Qualitative Research – a practical guide for health and social care researchers and practitioners Copyright © 2023 by Danielle Berkovic is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License , except where otherwise noted.

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The Interview Method In Psychology

Saul McLeod, PhD

Editor-in-Chief for Simply Psychology

BSc (Hons) Psychology, MRes, PhD, University of Manchester

Saul McLeod, PhD., is a qualified psychology teacher with over 18 years of experience in further and higher education. He has been published in peer-reviewed journals, including the Journal of Clinical Psychology.

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Olivia Guy-Evans, MSc

Associate Editor for Simply Psychology

BSc (Hons) Psychology, MSc Psychology of Education

Olivia Guy-Evans is a writer and associate editor for Simply Psychology. She has previously worked in healthcare and educational sectors.

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Interviews involve a conversation with a purpose, but have some distinct features compared to ordinary conversation, such as being scheduled in advance, having an asymmetry in outcome goals between interviewer and interviewee, and often following a question-answer format.

Interviews are different from questionnaires as they involve social interaction. Unlike questionnaire methods, researchers need training in interviewing (which costs money).

Multiracial businesswomen talk brainstorm at team meeting discuss business ideas together. Diverse multiethnic female colleagues or partners engaged in discussion. Interview concept

How Do Interviews Work?

Researchers can ask different types of questions, generating different types of data . For example, closed questions provide people with a fixed set of responses, whereas open questions allow people to express what they think in their own words.

The researcher will often record interviews, and the data will be written up as a transcript (a written account of interview questions and answers) which can be analyzed later.

It should be noted that interviews may not be the best method for researching sensitive topics (e.g., truancy in schools, discrimination, etc.) as people may feel more comfortable completing a questionnaire in private.

There are different types of interviews, with a key distinction being the extent of structure. Semi-structured is most common in psychology research. Unstructured interviews have a free-flowing style, while structured interviews involve preset questions asked in a particular order.

Structured Interview

A structured interview is a quantitative research method where the interviewer a set of prepared closed-ended questions in the form of an interview schedule, which he/she reads out exactly as worded.

Interviews schedules have a standardized format, meaning the same questions are asked to each interviewee in the same order (see Fig. 1).

Figure 1. An example of an interview schedule

The interviewer will not deviate from the interview schedule (except to clarify the meaning of the question) or probe beyond the answers received. Replies are recorded on a questionnaire, and the order and wording of questions, and sometimes the range of alternative answers, is preset by the researcher.

A structured interview is also known as a formal interview (like a job interview).

Structured interviews are easy to replicate as a fixed set of closed questions are used, which are easy to quantify – this means it is easy to test for reliability .
Structured interviews are fairly quick to conduct which means that many interviews can take place within a short amount of time. This means a large sample can be obtained, resulting in the findings being representative and having the ability to be generalized to a large population.

Limitations

Structured interviews are not flexible. This means new questions cannot be asked impromptu (i.e., during the interview), as an interview schedule must be followed.
The answers from structured interviews lack detail as only closed questions are asked, which generates quantitative data . This means a researcher won’t know why a person behaves a certain way.

Unstructured Interview

Unstructured interviews do not use any set questions, instead, the interviewer asks open-ended questions based on a specific research topic, and will try to let the interview flow like a natural conversation. The interviewer modifies his or her questions to suit the candidate’s specific experiences.

Unstructured interviews are sometimes referred to as ‘discovery interviews’ and are more like a ‘guided conservation’ than a strictly structured interview. They are sometimes called informal interviews.

Unstructured interviews are most useful in qualitative research to analyze attitudes and values. Though they rarely provide a valid basis for generalization, their main advantage is that they enable the researcher to probe social actors’ subjective points of view.

Interviewer Self-Disclosure

Interviewer self-disclosure involves the interviewer revealing personal information or opinions during the research interview. This may increase rapport but risks changing dynamics away from a focus on facilitating the interviewee’s account.

In unstructured interviews, the informal conversational style may deliberately include elements of interviewer self-disclosure, mirroring ordinary conversation dynamics.

Interviewer self-disclosure risks changing the dynamics away from facilitation of interviewee accounts. It should not be ruled out entirely but requires skillful handling informed by reflection.

An informal interviewing style with some interviewer self-disclosure may increase rapport and participant openness. However, it also increases the chance of the participant converging opinions with the interviewer.
Complete interviewer neutrality is unlikely. However, excessive informality and self-disclosure risk the interview becoming more of an ordinary conversation and producing consensus accounts.
Overly personal disclosures could also be seen as irrelevant and intrusive by participants. They may invite increased intimacy on uncomfortable topics.
The safest approach seems to be to avoid interviewer self-disclosures in most cases. Where an informal style is used, disclosures require careful judgment and substantial interviewing experience.
If asked for personal opinions during an interview, the interviewer could highlight the defined roles and defer that discussion until after the interview.
Unstructured interviews are more flexible as questions can be adapted and changed depending on the respondents’ answers. The interview can deviate from the interview schedule.
Unstructured interviews generate qualitative data through the use of open questions. This allows the respondent to talk in some depth, choosing their own words. This helps the researcher develop a real sense of a person’s understanding of a situation.
They also have increased validity because it gives the interviewer the opportunity to probe for a deeper understanding, ask for clarification & allow the interviewee to steer the direction of the interview, etc. Interviewers have the chance to clarify any questions of participants during the interview.
It can be time-consuming to conduct an unstructured interview and analyze the qualitative data (using methods such as thematic analysis).
Employing and training interviewers is expensive and not as cheap as collecting data via questionnaires . For example, certain skills may be needed by the interviewer. These include the ability to establish rapport and knowing when to probe.
Interviews inevitably co-construct data through researchers’ agenda-setting and question-framing. Techniques like open questions provide only limited remedies.

Focus Group Interview

Focus group interview is a qualitative approach where a group of respondents are interviewed together, used to gain an in‐depth understanding of social issues.

This type of interview is often referred to as a focus group because the job of the interviewer ( or moderator ) is to bring the group to focus on the issue at hand. Initially, the goal was to reach a consensus among the group, but with the development of techniques for analyzing group qualitative data, there is less emphasis on consensus building.

The method aims to obtain data from a purposely selected group of individuals rather than from a statistically representative sample of a broader population.

The role of the interview moderator is to make sure the group interacts with each other and do not drift off-topic. Ideally, the moderator will be similar to the participants in terms of appearance, have adequate knowledge of the topic being discussed, and exercise mild unobtrusive control over dominant talkers and shy participants.

A researcher must be highly skilled to conduct a focus group interview. For example, the moderator may need certain skills, including the ability to establish rapport and know when to probe.

Group interviews generate qualitative narrative data through the use of open questions. This allows the respondents to talk in some depth, choosing their own words. This helps the researcher develop a real sense of a person’s understanding of a situation. Qualitative data also includes observational data, such as body language and facial expressions.
Group responses are helpful when you want to elicit perspectives on a collective experience, encourage diversity of thought, reduce researcher bias, and gather a wider range of contextualized views.
They also have increased validity because some participants may feel more comfortable being with others as they are used to talking in groups in real life (i.e., it’s more natural).
When participants have common experiences, focus groups allow them to build on each other’s comments to provide richer contextual data representing a wider range of views than individual interviews.
Focus groups are a type of group interview method used in market research and consumer psychology that are cost – effective for gathering the views of consumers .
The researcher must ensure that they keep all the interviewees” details confidential and respect their privacy. This is difficult when using a group interview. For example, the researcher cannot guarantee that the other people in the group will keep information private.
Group interviews are less reliable as they use open questions and may deviate from the interview schedule, making them difficult to repeat.
It is important to note that there are some potential pitfalls of focus groups, such as conformity, social desirability, and oppositional behavior, that can reduce the usefulness of the data collected.

For example, group interviews may sometimes lack validity as participants may lie to impress the other group members. They may conform to peer pressure and give false answers.

To avoid these pitfalls, the interviewer needs to have a good understanding of how people function in groups as well as how to lead the group in a productive discussion.

Semi-Structured Interview

Semi-structured interviews lie between structured and unstructured interviews. The interviewer prepares a set of same questions to be answered by all interviewees. Additional questions might be asked during the interview to clarify or expand certain issues.

In semi-structured interviews, the interviewer has more freedom to digress and probe beyond the answers. The interview guide contains a list of questions and topics that need to be covered during the conversation, usually in a particular order.

Semi-structured interviews are most useful to address the ‘what’, ‘how’, and ‘why’ research questions. Both qualitative and quantitative analyses can be performed on data collected during semi-structured interviews.

Semi-structured interviews allow respondents to answer more on their terms in an informal setting yet provide uniform information making them ideal for qualitative analysis.
The flexible nature of semi-structured interviews allows ideas to be introduced and explored during the interview based on the respondents’ answers.
Semi-structured interviews can provide reliable and comparable qualitative data. Allows the interviewer to probe answers, where the interviewee is asked to clarify or expand on the answers provided.
The data generated remain fundamentally shaped by the interview context itself. Analysis rarely acknowledges this endemic co-construction.
They are more time-consuming (to conduct, transcribe, and analyze) than structured interviews.
The quality of findings is more dependent on the individual skills of the interviewer than in structured interviews. Skill is required to probe effectively while avoiding biasing responses.

The Interviewer Effect

Face-to-face interviews raise methodological problems. These stem from the fact that interviewers are themselves role players, and their perceived status may influence the replies of the respondents.

Because an interview is a social interaction, the interviewer’s appearance or behavior may influence the respondent’s answers. This is a problem as it can bias the results of the study and make them invalid.

For example, the gender, ethnicity, body language, age, and social status of the interview can all create an interviewer effect. If there is a perceived status disparity between the interviewer and the interviewee, the results of interviews have to be interpreted with care. This is pertinent for sensitive topics such as health.

For example, if a researcher was investigating sexism amongst males, would a female interview be preferable to a male? It is possible that if a female interviewer was used, male participants might lie (i.e., pretend they are not sexist) to impress the interviewer, thus creating an interviewer effect.

Flooding interviews with researcher’s agenda

The interactional nature of interviews means the researcher fundamentally shapes the discourse, rather than just neutrally collecting it. This shapes what is talked about and how participants can respond.

The interviewer’s assumptions, interests, and categories don’t just shape the specific interview questions asked. They also shape the framing, task instructions, recruitment, and ongoing responses/prompts.
This flooding of the interview interaction with the researcher’s agenda makes it very difficult to separate out what comes from the participant vs. what is aligned with the interviewer’s concerns.
So the participant’s talk ends up being fundamentally shaped by the interviewer rather than being a more natural reflection of the participant’s own orientations or practices.
This effect is hard to avoid because interviews inherently involve the researcher setting an agenda. But it does mean the talk extracted may say more about the interview process than the reality it is supposed to reflect.

Interview Design

First, you must choose whether to use a structured or non-structured interview.

Characteristics of Interviewers

Next, you must consider who will be the interviewer, and this will depend on what type of person is being interviewed. There are several variables to consider:

Gender and age : This can greatly affect respondents’ answers, particularly on personal issues.
Personal characteristics : Some people are easier to get on with than others. Also, the interviewer’s accent and appearance (e.g., clothing) can affect the rapport between the interviewer and interviewee.
Language : The interviewer’s language should be appropriate to the vocabulary of the group of people being studied. For example, the researcher must change the questions’ language to match the respondents’ social background” age / educational level / social class/ethnicity, etc.
Ethnicity : People may have difficulty interviewing people from different ethnic groups.
Interviewer expertise should match research sensitivity – inexperienced students should avoid interviewing highly vulnerable groups.

Interview Location

The location of a research interview can influence the way in which the interviewer and interviewee relate and may exaggerate a power dynamic in one direction or another. It is usual to offer interviewees a choice of location as part of facilitating their comfort and encouraging participation.

However, the safety of the interviewer is an overriding consideration and, as mentioned, a minimal requirement should be that a responsible person knows where the interviewer has gone and when they are due back.

Remote Interviews

The COVID-19 pandemic necessitated remote interviewing for research continuity. However online interview platforms provide increased flexibility even under normal conditions.

They enable access to participant groups across geographical distances without travel costs or arrangements. Online interviews can be efficiently scheduled to align with researcher and interviewee availability.

There are practical considerations in setting up remote interviews. Interviewees require access to internet and an online platform such as Zoom, Microsoft Teams or Skype through which to connect.

Certain modifications help build initial rapport in the remote format. Allowing time at the start of the interview for casual conversation while testing audio/video quality helps participants settle in. Minor delays can disrupt turn-taking flow, so alerting participants to speak slightly slower than usual minimizes accidental interruptions.

Keeping remote interviews under an hour avoids fatigue for stare at a screen. Seeking advanced ethical clearance for verbal consent at the interview start saves participant time. Adapting to the remote context shows care for interviewees and aids rich discussion.

However, it remains important to critically reflect on how removing in-person dynamics may shape the co-created data. Perhaps some nuances of trust and disclosure differ over video.

Vulnerable Groups

The interviewer must ensure that they take special care when interviewing vulnerable groups, such as children. For example, children have a limited attention span, so lengthy interviews should be avoided.

Developing an Interview Schedule

An interview schedule is a list of pre-planned, structured questions that have been prepared, to serve as a guide for interviewers, researchers and investigators in collecting information or data about a specific topic or issue.

List the key themes or topics that must be covered to address your research questions. This will form the basic content.
Organize the content logically, such as chronologically following the interviewee’s experiences. Place more sensitive topics later in the interview.
Develop the list of content into actual questions and prompts. Carefully word each question – keep them open-ended, non-leading, and focused on examples.
Add prompts to remind you to cover areas of interest.
Pilot test the interview schedule to check it generates useful data and revise as needed.
Be prepared to refine the schedule throughout data collection as you learn which questions work better.
Practice skills like asking follow-up questions to get depth and detail. Stay flexible to depart from the schedule when needed.
Keep questions brief and clear. Avoid multi-part questions that risk confusing interviewees.
Listen actively during interviews to determine which pre-planned questions can be skipped based on information the participant has already provided.

The key is balancing preparation with the flexibility to adapt questions based on each interview interaction. With practice, you’ll gain skills to conduct productive interviews that obtain rich qualitative data.

The Power of Silence

Strategic use of silence is a key technique to generate interviewee-led data, but it requires judgment about appropriate timing and duration to maintain mutual understanding.

Unlike ordinary conversation, the interviewer aims to facilitate the interviewee’s contribution without interrupting. This often means resisting the urge to speak at the end of the interviewee’s turn construction units (TCUs).
Leaving a silence after a TCU encourages the interviewee to provide more material without being led by the interviewer. However, this simple technique requires confidence, as silence can feel socially awkward.
Allowing longer silences (e.g. 24 seconds) later in interviews can work well, but early on even short silences may disrupt rapport if they cause misalignment between speakers.
Silence also allows interviewees time to think before answering. Rushing to re-ask or amend questions can limit responses.
Blunt backchannels like “mm hm” also avoid interrupting flow. Interruptions, especially to finish an interviewee’s turn, are problematic as they make the ownership of perspectives unclear.
If interviewers incorrectly complete turns, an upside is it can produce extended interviewee narratives correcting the record. However, silence would have been better to let interviewees shape their own accounts.

Recording & Transcription

Design choices.

Design choices around recording and engaging closely with transcripts influence analytic insights, as well as practical feasibility. Weighing up relevant tradeoffs is key.

Audio recording is standard, but video better captures contextual details, which is useful for some topics/analysis approaches. Participants may find video invasive for sensitive research.
Digital formats enable the sharing of anonymized clips. Additional microphones reduce audio issues.
Doing all transcription is time-consuming. Outsourcing can save researcher effort but needs confidentiality assurances. Always carefully check outsourced transcripts.
Online platform auto-captioning can facilitate rapid analysis, but accuracy limitations mean full transcripts remain ideal. Software cleans up caption file formatting.
Verbatim transcripts best capture nuanced meaning, but the level of detail needed depends on the analysis approach. Referring back to recordings is still advisable during analysis.
Transcripts versus recordings highlight different interaction elements. Transcripts make overt disagreements clearer through the wording itself. Recordings better convey tone affiliativeness.

Transcribing Interviews & Focus Groups

Here are the steps for transcribing interviews:

Play back audio/video files to develop an overall understanding of the interview
Format the transcription document:
Add line numbers
Separate interviewer questions and interviewee responses
Use formatting like bold, italics, etc. to highlight key passages
Provide sentence-level clarity in the interviewee’s responses while preserving their authentic voice and word choices
Break longer passages into smaller paragraphs to help with coding
If translating the interview to another language, use qualified translators and back-translate where possible
Select a notation system to indicate pauses, emphasis, laughter, interruptions, etc., and adapt it as needed for your data
Insert screenshots, photos, or documents discussed in the interview at the relevant point in the transcript
Read through multiple times, revising formatting and notations
Double-check the accuracy of transcription against audio/videos
De-identify transcript by removing identifying participant details

The goal is to produce a formatted written record of the verbal interview exchange that captures the meaning and highlights important passages ready for the coding process. Careful transcription is the vital first step in analysis.

Coding Transcripts

The goal of transcription and coding is to systematically transform interview responses into a set of codes and themes that capture key concepts, experiences and beliefs expressed by participants. Taking care with transcription and coding procedures enhances the validity of qualitative analysis .

Read through the transcript multiple times to become immersed in the details
Identify manifest/obvious codes and latent/underlying meaning codes
Highlight insightful participant quotes that capture key concepts (in vivo codes)
Create a codebook to organize and define codes with examples
Use an iterative cycle of inductive (data-driven) coding and deductive (theory-driven) coding
Refine codebook with clear definitions and examples as you code more transcripts
Collaborate with other coders to establish the reliability of codes

Ethical Issues

Informed consent.

The participant information sheet must give potential interviewees a good idea of what is involved if taking part in the research.

This will include the general topics covered in the interview, where the interview might take place, how long it is expected to last, how it will be recorded, the ways in which participants’ anonymity will be managed, and incentives offered.

It might be considered good practice to consider true informed consent in interview research to require two distinguishable stages:

Consent to undertake and record the interview and
Consent to use the material in research after the interview has been conducted and the content known, or even after the interviewee has seen a copy of the transcript and has had a chance to remove sections, if desired.

Power and Vulnerability

Early feminist views that sensitivity could equalize power differences are likely naive. The interviewer and interviewee inhabit different knowledge spheres and social categories, indicating structural disparities.
Power fluctuates within interviews. Researchers rely on participation, yet interviewees control openness and can undermine data collection. Assumptions should be avoided.
Interviews on sensitive topics may feel like quasi-counseling. Interviewers must refrain from dual roles, instead supplying support service details to all participants.
Interviewees recruited for trauma experiences may reveal more than anticipated. While generating analytic insights, this risks leaving them feeling exposed.
Ultimately, power balances resist reconciliation. But reflexively analyzing operations of power serves to qualify rather than nullify situtated qualitative accounts.

Some groups, like those with mental health issues, extreme views, or criminal backgrounds, risk being discredited – treated skeptically by researchers.

This creates tensions with qualitative approaches, often having an empathetic ethos seeking to center subjective perspectives. Analysis should balance openness to offered accounts with critically examining stakes and motivations behind them.

Potter, J., & Hepburn, A. (2005). Qualitative interviews in psychology: Problems and possibilities. Qualitative research in Psychology , 2 (4), 281-307.

Houtkoop-Steenstra, H. (2000). Interaction and the standardized survey interview: The living questionnaire . Cambridge University Press

Madill, A. (2011). Interaction in the semi-structured interview: A comparative analysis of the use of and response to indirect complaints. Qualitative Research in Psychology, 8 (4), 333–353.

Maryudi, A., & Fisher, M. (2020). The power in the interview: A practical guide for identifying the critical role of actor interests in environment research. Forest and Society, 4 (1), 142–150

O’Key, V., Hugh-Jones, S., & Madill, A. (2009). Recruiting and engaging with people in deprived locales: Interviewing families about their eating patterns. Social Psychological Review, 11 (20), 30–35.

Puchta, C., & Potter, J. (2004). Focus group practice . Sage.

Schaeffer, N. C. (1991). Conversation with a purpose— Or conversation? Interaction in the standardized interview. In P. P. Biemer, R. M. Groves, L. E. Lyberg, & N. A. Mathiowetz (Eds.), Measurement errors in surveys (pp. 367–391). Wiley.

Silverman, D. (1973). Interview talk: Bringing off a research instrument. Sociology, 7 (1), 31–48.

Harvard Library
Research Guides
Faculty of Arts & Sciences Libraries

Library Support for Qualitative Research

Types of Interviews

Ethnographic Interviews

Folklore interviews, oral history interviews, user experience (ux).

Recruiting & Engaging Participants
Interview Questions
Conducting Interviews
Recording & Transcription
Data Analysis
Managing Interview Data
Finding Extant Interviews
Past Workshops on Interview Research
Methodological Resources
Remote & Virtual Fieldwork
Data Management & Repositories
Campus Access

The decision to conduct interviews, and the type of interviewing to use, should flow from, or align with, the methodological paradigm chosen for your study, whether that paradigm is interpretivist, critical, positivist, or participative in nature (or a combination of these).

Structured Interview. Entry in The SAGE Encyclopedia of Social Science Research Methodsby Floyd J. Fowler Jr., Editors: Michael S. Lewis-Beck; Alan E. Bryman; Tim Futing Liao (Editor) A concise article noting standards, procedures, and recommendations for developing and testing structured interviews. For an example of structured interview questions, you may view the Current Population Survey, May 2008: Public Participation in the Arts Supplement (ICPSR 29641), Apr 15, 2011 at https://doi.org/10.3886/ICPSR29641.v1 (To see the survey questions, preview the user guide, which can be found under the "Data and Documentation" tab. Then, look for page 177 (attachment 8).

Semi-Structured

Semi-Structured Interview. Entry in The SAGE Encyclopedia of Qualitative Research Methodsby Lioness Ayres; Editor: Lisa M. Given The semi-structured interview is a qualitative data collection strategy in which the researcher asks informants a series of predetermined but open-ended questions. The researcher has more control over the topics of the interview than in unstructured interviews, but in contrast to structured interviews or questionnaires that use closed questions, there is no fixed range of responses to each question.

Unstructured

Unstructured Interview. Entry in The SAGE Encyclopedia of Qualitative Research Methodsby Michael W. Firmin; Editor: Lisa M. Given Unstructured interviews in qualitative research involve asking relatively open-ended questions of research participants in order to discover their percepts on the topic of interest. Interviews, in general, are a foundational means of collecting data when using qualitative research methods. They are designed to draw from the interviewee constructs embedded in his or her thinking and rationale for decision making. The researcher uses an inductive method in data gathering, regardless of whether the interview method is open, structured, or semi-structured. That is, the researcher does not wish to superimpose his or her own viewpoints onto the person being interviewed. Rather, inductively, the researcher wishes to understand the participant's perceptions, helping him or her to articulate percepts such that they will be understood clearly by the journal reader.

Focus Groups

"Focus Groups." Annual Review of Sociology 22 (1996): 129-1524.by David L. Morgan Discusses the use of focus groups and group interviews as methods for gathering qualitative data used by sociologists and other academic and applied researchers. Focus groups are recommended for giving voice to marginalized groups and revealing the group effect on opinion formation.
Qualitative Research Methods: A Data Collector's Field Guide (See Module 4: "Focus Groups")by Mack, N., et al. This field guide is based on an approach to doing team-based, collaborative qualitative research that has repeatedly proven successful in research projects sponsored by Family Health International (FHI) throughout the developing world. With its straightforward delivery of information on the main qualitative methods being used in public health research today, the guide speaks to the need for simple yet effective instruction on how to do systematic and ethically sound qualitative research. The aim of the guide is thus practical. In bypassing extensive discussion on the theoretical underpinnings of qualitative research, it distinguishes itself as a how-to guide to be used in the field.

In-Depth Interviews

A Practical Introduction to in-Depth Interviewing by Alan Morris Are you new to qualitative research or a bit rusty and in need of some inspiration? Are you doing a research project involving in-depth interviews? Are you nervous about carrying out your interviews? This book will help you complete your qualitative research project by providing a nuts and bolts introduction to interviewing. With coverage of ethics, preparation strategies and advice for handling the unexpected in the field, this handy guide will help you get to grips with the basics of interviewing before embarking on your research. While recognising that your research question and the context of your research will drive your approach to interviewing, this book provides practical advice often skipped in traditional methods textbooks.
Qualitative Research Methods: A Data Collector's Field Guide (See Module 3: "In-Depth Interviews") by Mack, N., et al. This field guide is based on an approach to doing team-based, collaborative qualitative research that has repeatedly proven successful in research projects sponsored by Family Health International (FHI) throughout the developing world. With its straightforward delivery of information on the main qualitative methods being used in public health research today, the guide speaks to the need for simple yet effective instruction on how to do systematic and ethically sound qualitative research. The aim of the guide is thus practical. In bypassing extensive discussion on the theoretical underpinnings of qualitative research, it distinguishes itself as a how-to guide to be used in the field.

An interdisciplinary scientific program within the Institute for Quantitative Social Science which encourages and facilitates research and instruction in the theory and practice of survey research. The primary mission of PSR is to provide survey research resources to enhance the quality of teaching and research at Harvard.

Internet, Phone, Mail, and Mixed-Mode Surveysby Don A. Dillman; Jolene D. Smyth; Leah Melani Christian The classic survey design reference, updated for the digital age. The new edition is thoroughly updated and revised, and covers all aspects of survey research. It features expanded coverage of mobile phones, tablets, and the use of do-it-yourself surveys, and Dillman's unique Tailored Design Method is also thoroughly explained. This new edition is complemented by copious examples within the text and accompanying website. It includes: Strategies and tactics for determining the needs of a given survey, how to design it, and how to effectively administer it. How and when to use mail, telephone, and Internet surveys to maximum advantage. Proven techniques to increase response rates. Guidance on how to obtain high-quality feedback from mail, electronic, and other self-administered surveys. Direction on how to construct effective questionnaires, including considerations of layout. The effects of sponsorship on the response rates of surveys. Use of capabilities provided by newly mass-used media: interactivity, presentation of aural and visual stimuli. The Fourth Edition reintroduces the telephone--including coordinating land and mobile.
The Ethnographic Interview by James P. Spradley “Spradley wrote this book for the professional and student who have never done ethnographic fieldwork (p. 231) and for the professional ethnographer who is interested in adapting the author’s procedures (p. iv). Part 1 outlines in 3 chapters Spradley’s version of ethnographic research, and it provides the background for Part 2 which consists of 12 guided steps (chapters) ranging from locating and interviewing an informant to writing an ethnography. Most of the examples come from the author’s own fieldwork among U.S. subcultures . . . Steps 6 and 8 explain lucidly how to construct a domain and a taxonomic analysis” (excerpted from book review by James D. Sexton, 1980).
Fundamentals of Qualitative Research by Johnny Saldana (Series edited by Patricia Leavy) Provides a soup-to-nuts overview of the qualitative data collection process, including interviewing, participant observation, and other methods.
Companion website to Bloomberg and Volpe's Completing Your Qualitative Dissertation: A Road Map from Beginning to End, 4th ed Provides helpful templates and appendices featured in the book, as well as links to other useful dissertation resources.
American Folklife Center at the Library of Congress. Folklife and Fieldwork: A Layman’s Introduction to Field Techniques Interviews gathered for purposes of folklore research are similar to standard social science interviews in some ways, but also have a good deal in common with oral history approaches to interviewing. The focus in a folklore research interview is on documenting and trying to understand the interviewee's way of life relative to a culture or subculture you are studying. This guide includes helpful advice and tips for conducting fieldwork in folklore, such as tips for planning, conducting, recording, and archiving interviews.
American Folklife Center at the Library of Congress. Oral History Interviews Recommendations for planning an oral history project and tips for conducting interviews
Oral History Research Guide, Harvard Library Consult this guide to access methodological handbooks and guides for oral history, selected projects, Harvard Library research guides for oral history, oral history collections at and beyond Harvard, and scholarship and commentary on oral history methodology.
Indigenous Studies: Oral History Provides helpful information and resources to inform respectful understanding and citation of Indigenous oral histories.
Oral History Association: Principles and Best Practices An invaluable document for maintaining an ethical stance as a researcher, with guidance on archiving interviews and managing rights/copyright.
Oral History Methodology (Hajek A., 2014) The case study starts with a historical outline of the advent of oral history research in Western society, its strengths and its weaknesses, before it moves to a practical exploration of oral history methodology. It explains how to set up an oral history project, how to conduct interviews and what legal concerns to keep in mind. It also provides details on recording equipment and discusses a number of potential outputs of oral history data.
The Oral History Reader (edited by Perks, R. and Thomson, A., 2015) A comprehensive, international anthology combining major classic articles with cutting-edge pieces on the theory, method and use of oral history.
Webinar: Introduction to Oral History and Interviewing , Centre for Oral History and Digital Storytelling, Concordia University

Research Site Selection

Research interviews are used not only to furnish research data for theoretical analysis in the social sciences, but also to plan other kinds of studies. For example, interviews may allow researchers to screen appropriate research sites to conduct empirical studies (such as randomized controlled trials) in a variety of fields, from medicine to law. In contrast to interviews conducted in the course of social research, such interviews do not typically serve as the data for final analysis and publication.

UX at Harvard Library

User Experience and Market Research interviews can inform the design of tangible products and services through responsive, outcome-driven insights. The User Research Center at Harvard Library specializes in this kind of user-centered design, digital accessibility, and testing. They also offer guidance and resources to members of the Harvard Community who are interested in learning more about UX methods. Contact [email protected] or consult the URC website for more information.
User Interviews: The Beginner’s Guide (Chris Mears)
Interviewing Users (Jakob Nielsen)
Interviewing Users: How to Uncover Compelling Insights by Steve Portigal; Grant McCracken (Foreword by) Interviewing is a foundational user research tool that people assume they already possess. Everyone can ask questions, right? Unfortunately, that's not the case. Interviewing Users provides invaluable interviewing techniques and tools that enable you to conduct informative interviews with anyone. You'll move from simply gathering data to uncovering powerful insights about people.
Rapid Contextual Design by Jessamyn Wendell; Karen Holtzblatt; Shelley Wood This handbook introduces Rapid CD, a fast-paced, adaptive form of Contextual Design. Rapid CD is a hands-on guide for anyone who needs practical guidance on how to use the Contextual Design process and adapt it to tactical projects with tight timelines and resources. Rapid Contextual Design provides detailed suggestions on structuring the project and customer interviews, conducting interviews, and running interpretation sessions. The handbook walks you step-by-step through organizing the data so you can see your key issues, along with visioning new solutions, storyboarding to work out the details, and paper prototype interviewing to iterate the design all with as little as a two-person team with only a few weeks to spare *Includes real project examples with actual customer data that illustrate how a CD project actually works.

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Except where otherwise noted, this work is subject to a Creative Commons Attribution 4.0 International License , which allows anyone to share and adapt our material as long as proper attribution is given. For details and exceptions, see the Harvard Library Copyright Policy ©2021 Presidents and Fellows of Harvard College.

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Home Market Research

Types of Interviews in Research and Methods

There are more types of interviews than most people think. An interview is generally a qualitative research technique that involves asking open-ended questions to converse with respondents and collect elicit data about a subject.

The interviewer, in most cases, is the subject matter expert who intends to understand respondent opinions in a well-planned and executed series of star questions and answers .

Interviews are similar to focus groups and surveys for garnering information from the target market but are entirely different in their operation – focus groups are restricted to a small group of 6-10 individuals, whereas surveys are quantitative.

Interviews are conducted with a sample from a population, and the key characteristic they exhibit is their conversational tone.

LEARN ABOUT: telephone survey

What is An Interview?

An interview is a way to get information from a person by asking questions and hearing their answers.

An interview is a question-and-answer session where one person asks questions, and the other person answers those questions. It can be a one-on-one, two-way conversation, or there can be more than one interviewer and more than one participant.

The interview is the most important part of the whole selection bias process. It is used to decide if a person should be interviewed further, hired, or taken out of consideration. It is the main way to learn more about applicants and the basis for judging their job-related knowledge, research skills , and abilities.

Fundamental Types of Interviews in Research

A researcher has to conduct interviews with a group of participants at a juncture in the research where information can only be obtained by meeting and personally connecting with a section of their target audience. Interviews offer the researchers a platform to prompt their participants and obtain inputs in the desired detail. There are three fundamental types of interviews in research:

1. Structured Interviews:

Structured interviews are defined as research tools that could be more flexible in their operations are allow more or no scope of prompting the participants to obtain and analyze results. It is thus also known as a standardized interview and is significantly quantitative in its approach.

Questions in this interview are pre-decided according to the required detail of information. This can be used in a focus group interview and an in-person interview.

These interviews are excessively used in survey research with the intention of maintaining uniformity throughout all the interview sessions.

LEARN ABOUT: Research Process Steps

They can be closed-ended and open-ended – according to the type of target population. Closed-ended questions can be included to understand user preferences from a collection of answer options. In contrast, open-ended ones can be included to gain details about a particular section in the interview.

Example of a structured interview question:

Here’s an example of a structured question for a job interview for a customer service job:

Can you talk about what it was like to work in customer service?
How do you deal with an angry or upset customer?
How do you ensure that the information you give customers is correct?
Tell us about when you went out of your way to help a customer.
How do you handle a lot of customers or tasks at once?
Can you talk about how you’ve used software or tools for customer service?
How do you set priorities and use your time well while giving good customer service?
Can you tell us about when you had to get a customer to calm down?
How do you deal with a customer who wants something that goes against your company’s rules?
Tell me about a time when you had to deal with a hard customer or coworker.

Advantages of structured interviews:

It focuses on the accuracy of different responses, due to which extremely organized data can be collected. Different respondents have different types of answers to the same structure of questions – answers obtained can be collectively analyzed.
They can be used to get in touch with a large sample of the target population.
The interview procedure is made easy due to the standardization offered by it.
Replication across multiple samples becomes easy due to the same structure of the interview.
As the scope of detail is already considered while designing the interview questions, better information can be obtained. The researcher can analyze the research problem comprehensively by asking accurate research questions .
Since the structure of the interview is fixed, it often generates reliable results and is quick to execute.
The relationship between the researcher and the respondent is not formal, due to which the researcher can clearly understand the margin of error in case the respondent either degree to be a part of the survey or is just not interested in providing the right information.

Disadvantages of structured interviews:

The limited scope of assessment of obtained results.
The accuracy of information overpowers the detail of information.
Respondents are forced to select from the provided answer options.
The researcher is expected to always adhere to the list of decided questions, irrespective of how interesting the conversation is turning out to be with the participants.
A significant amount of time is required for a structured interview.

Learn more: Market Research

2. Semi-Structured Types of Interviews:

Semi-structured interviews offer a considerable amount of leeway to the researcher to probe the respondents, along with maintaining a basic interview structure. Even if it is a guided conversation between researchers and interviewees – appreciable flexibility is offered to the researchers. A researcher can be assured that multiple interview rounds will not be required in the presence of structure in this type of research interview.

Keeping the structure in mind, the researcher can follow any idea or take creative advantage of the entire interview. Additional respondent probing is always necessary to garner information for a research study. The best application of semi-structured interviews is when the researcher doesn’t have time to conduct research and requires detailed information about the topic.

Example of a semi-structured interview question:

Here’s an example of a semi-structured marketing job interviews question:

Can you tell us about the marketing work you’ve done?
What do you think are the most important parts of a marketing campaign that works?
Tell me about a campaign you worked on that you’re very proud of.
How do you do research on the market and look at data to help you make marketing decisions?
Can you tell us about a time when you had to change your marketing plan because of something that didn’t go as planned?
How do you figure out if a marketing campaign worked?
Can you talk about how you’ve used social media to market?
How do you ensure your marketing message gets through to the people you want to hear it?
Can you tell us about a time when you had to run a marketing campaign on a small budget?
How do you keep up with changes and trends in marketing?

Advantages of semi-structured interviews:

Questions from semi-structured interview questions are prepared before the scheduled interview, giving the researcher time to prepare and analyze the questions.
It is flexible to an extent while maintaining the research guidelines.
Unlike a structured interview, researchers can express the interview questions in the preferred format.
Reliable qualitative data can be collected via these interviews.
The flexible structure of the interview.

Learn more: Quantitative Data

Disadvantages of semi-structured interviews:

Participants may question the reliability factor of these interviews due to the flexibility offered.
Comparing two different answers becomes difficult as the guideline for conducting interviews is not entirely followed. No two questions will have the exact same structure, and the result will be an inability to compare are infer results.

3. Unstructured Interviews:

Also called in-depth interviews , unstructured interviews are usually described as conversations held with a purpose in mind – to gather data about the research study. These interviews have the least number of questions as they lean more towards a normal conversation but with an underlying subject.

The main objective of most researchers using unstructured interviews is to build a bond with the respondents, due to which there is a high chance that the respondents will be 100% truthful with their answers. There are no guidelines for the researchers to follow. So they can approach the participants ethically to gain as much information as possible about their research topic.

Since there are no guidelines for these interviews, a researcher is expected to keep their approach in check so that the respondents do not sway away from the main research motive.

For a researcher to obtain the desired outcome, he/she must keep the following factors in mind:

The intent of the interview.
The interview should primarily take into consideration the participant’s interests and skills.
All the conversations should be conducted within the permissible limits of research, and the researcher should try and stick by these limits.
The researcher’s skills and knowledge should match the interview’s purpose.
Researchers should understand the dos and don’ts of it.

Example of an unstructured interview question:

Here’s an example of a question asked in an unstructured interview:

Can you tell me about when you had to deal with something hard and how you did it?
What are some of the things you’re most proud of, and what did you learn from them?
How do you deal with ambiguity or not knowing what to do at work?
Can you describe how you lead and how you get your team going?
Tell me about a time when you had to take a chance and how it turned out.
What do you think are the most important qualities for success in this role?
How do you deal with setbacks or failures, and what do you learn from them?
Can you tell me about a time when you had to solve a problem by thinking outside the box?
What do you think makes you different from the other people who want this job?
Can you tell me about a time when you had to make a hard choice and how you made that choice?

Advantages of Unstructured Interviews:

Due to this type of interview’s informal nature, it becomes extremely easy for researchers to try and develop a friendly rapport with the participants. This leads to gaining insights in extreme detail without much conscious effort.
The participants can clarify all their doubts about the questions, and the researcher can take each opportunity to explain his/her intention for better answers.
There are no questions that the researcher has to abide by, and this usually increases the flexibility of the entire research process.

Disadvantages of Unstructured Interviews:

Researchers take time to execute these interviews because there is no structure to the interview process.
The absence of a standardized set of questions and guidelines indicates that its reliability of it is questionable.
The ethics involved in these interviews are often considered borderline upsetting.

Learn more: Qualitative Market Research & Qualitative Data Collection

Other Types of Interviews

Besides the 3 basic interview types, we have already mentioned there are more. Here are some other interview types that are commonly used in a job interview:

Behavioral Interview

During this type of interview, candidates are asked to give specific examples of how they have acted in the past. The idea behind this kind of interview is that what someone did in the past can be a sign of how they will act in the future. And by this interview, the company can also understand the interviewee’s behavior through body language.

Panel Interview

During a panel interview, three or more interviewers usually ask questions and evaluate the candidate’s answers as a group. This is a good way to get a full picture of a candidate’s skills and suitability for the job.

Group Types of Interviews

Multiple people are interviewed at the same time in group interviews. This form of interview often focus groups that are utilized on entry-level positions or employment in customer service to examine how well candidates get along with others and function as a team.

Case Interview

During a case interview, candidates are given a business problem or scenario and asked to think about how to solve it. In the consulting and finance fields, this kind of interview is common.

Technical Interview

A candidate’s technical skills and knowledge are tested during a technical interview, usually in fields like engineering or software development. Most of the time, candidates are asked to solve problems or complete technical tasks.

Stress Interview

During a stress interview, candidates are put under pressure or asked difficult or confrontational questions on purpose to see how they react in stressful situations. This kind of interview is used to see how well a candidate can deal with stress and hard situations.

Methods of Research Interviews:

There are four methods to conduct research interviews, each of which is peculiar in its application and can be used according to the research study requirement.

Personal Interviews:

Personal interviews are one of the most used types of interviews, where the questions are asked personally directly to the respondent as a form of an individual interview. One of the many in-person interviews is a lunch interview, which is frequently better suited for casual inquiries and discussions.

For this, a researcher can have a guide to online surveys to take note of the answers. A researcher can design his/her survey in such a way that they take notes of the comments or points of view that stands out from the interviewee. It can be a one-on-one interview as well.

Higher response rate.
When the interviewees and respondents are face-to-face, there is a way to adapt the questions if this is not understood.
More complete answers can be obtained if there is doubt on both sides or a remarkable piece of information is detected.
The researcher has an opportunity to detect and analyze the interviewee’s body language at the time of asking the questions and taking notes about it.

Disadvantages:

They are time-consuming and extremely expensive.
They can generate distrust on the part of the interviewee since they may be self-conscious and not answer truthfully.
Contacting the interviewees can be a real headache, either scheduling an appointment in workplaces or going from house to house and not finding anyone.
Therefore, many interviews are conducted in public places like shopping centers or parks. Even consumer studies take advantage of these sites to conduct interviews or surveys and give incentives, gifts, and coupons. In short, There are great opportunities for online research in shopping centers.
Among the advantages of conducting such types of interviews is that the respondents will have more fresh information if the interview is conducted in the context and with the appropriate stimuli so that researchers can have data from their experience at the scene of the events immediately and first hand. The interviewer can use an online survey through a mobile device that will undoubtedly facilitate the entire process.

Telephonic Type of Interviews:

Phonic interviews are widely used and easily combined with online surveys to conduct research effectively.

Advantages:

To find the interviewees, it is enough to have their phone numbers on hand.
They are usually lower cost.
The information is collected quickly.
Having a personal contact can also clarify doubts or give more details of the questions.
Many times researchers observe that people do not answer phone calls because it is an unknown number for the respondent or simply already changed their place of residence and they cannot locate it, which causes a bias in the interview.
Researchers also face that they simply do not want to answer and resort to pretexts such as they are busy to answer, they are sick, they do not have the authority to answer the questions asked, they have no interest in answering, or they are afraid of putting their security at risk.
One of the aspects that should be taken care of in these types of interviews is the kindness with which the interviewers address the respondents in order to get them to cooperate more easily with their answers. Good communication is vital for the generation of better answers.

Learn More: Data Collection Methods: Types & Examples

Email or Web Page Types of Interviews:

Online research is growing more and more because consumers are migrating to a more virtual world, and it is best for each researcher to adapt to this change.

The increase in people with Internet access has made it popular that interviews via email or web page stand out among the types of interviews most used today. For this nothing better than an online survey.

More and more consumers are turning to online shopping, which is why they are a great niche to be able to carry out an interview that will generate information for the correct decision-making.

Advantages of email surveys:

Speed in obtaining data
The respondents respond according to their time, when they want, and where they decide.
Online surveys can be mixed with other research methods or using some of the previous interview models. They are tools that can perfectly complement and pay for the project.
A researcher can use a variety of questions and logic to create graphs and reports immediately.

Disadvantages of email survey:

Low response rates
Limited access to certain populations
Potential for spam filters
Lack of personal touch

What to Avoid in Different Types of Interviews

Try not to do any of the following things when you’re in an interview:

Don’t blame your previous managers, coworkers, or companies. This will make a bad impression on the interviewer and show that you are not accountable.
Do not go to the interview without knowing anything about the company you are interviewing for. Interviewers will think you don’t care about learning about the company if you don’t know anything.
Don’t fidget with things because that shows you lack self-confidence and focus.
Stop checking the time because it shows that you have something more important to do and that you don’t give the interview much importance.

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J Basic Clin Pharm
v.5(4); September 2014-November 2014

Qualitative research method-interviewing and observation

Shazia jamshed.

Department of Pharmacy Practice, Kulliyyah of Pharmacy, International Islamic University Malaysia, Kuantan Campus, Pahang, Malaysia

Buckley and Chiang define research methodology as “a strategy or architectural design by which the researcher maps out an approach to problem-finding or problem-solving.”[ 1 ] According to Crotty, research methodology is a comprehensive strategy ‘that silhouettes our choice and use of specific methods relating them to the anticipated outcomes,[ 2 ] but the choice of research methodology is based upon the type and features of the research problem.[ 3 ] According to Johnson et al . mixed method research is “a class of research where the researcher mixes or combines quantitative and qualitative research techniques, methods, approaches, theories and or language into a single study.[ 4 ] In order to have diverse opinions and views, qualitative findings need to be supplemented with quantitative results.[ 5 ] Therefore, these research methodologies are considered to be complementary to each other rather than incompatible to each other.[ 6 ]

Qualitative research methodology is considered to be suitable when the researcher or the investigator either investigates new field of study or intends to ascertain and theorize prominent issues.[ 6 , 7 ] There are many qualitative methods which are developed to have an in depth and extensive understanding of the issues by means of their textual interpretation and the most common types are interviewing and observation.[ 7 ]

Interviewing

This is the most common format of data collection in qualitative research. According to Oakley, qualitative interview is a type of framework in which the practices and standards be not only recorded, but also achieved, challenged and as well as reinforced.[ 8 ] As no research interview lacks structure[ 9 ] most of the qualitative research interviews are either semi-structured, lightly structured or in-depth.[ 9 ] Unstructured interviews are generally suggested in conducting long-term field work and allow respondents to let them express in their own ways and pace, with minimal hold on respondents’ responses.[ 10 ]

Pioneers of ethnography developed the use of unstructured interviews with local key informants that is., by collecting the data through observation and record field notes as well as to involve themselves with study participants. To be precise, unstructured interview resembles a conversation more than an interview and is always thought to be a “controlled conversation,” which is skewed towards the interests of the interviewer.[ 11 ] Non-directive interviews, form of unstructured interviews are aimed to gather in-depth information and usually do not have pre-planned set of questions.[ 11 ] Another type of the unstructured interview is the focused interview in which the interviewer is well aware of the respondent and in times of deviating away from the main issue the interviewer generally refocuses the respondent towards key subject.[ 11 ] Another type of the unstructured interview is an informal, conversational interview, based on unplanned set of questions that are generated instantaneously during the interview.[ 11 ]

In contrast, semi-structured interviews are those in-depth interviews where the respondents have to answer preset open-ended questions and thus are widely employed by different healthcare professionals in their research. Semi-structured, in-depth interviews are utilized extensively as interviewing format possibly with an individual or sometimes even with a group.[ 6 ] These types of interviews are conducted once only, with an individual or with a group and generally cover the duration of 30 min to more than an hour.[ 12 ] Semi-structured interviews are based on semi-structured interview guide, which is a schematic presentation of questions or topics and need to be explored by the interviewer.[ 12 ] To achieve optimum use of interview time, interview guides serve the useful purpose of exploring many respondents more systematically and comprehensively as well as to keep the interview focused on the desired line of action.[ 12 ] The questions in the interview guide comprise of the core question and many associated questions related to the central question, which in turn, improve further through pilot testing of the interview guide.[ 7 ] In order to have the interview data captured more effectively, recording of the interviews is considered an appropriate choice but sometimes a matter of controversy among the researcher and the respondent. Hand written notes during the interview are relatively unreliable, and the researcher might miss some key points. The recording of the interview makes it easier for the researcher to focus on the interview content and the verbal prompts and thus enables the transcriptionist to generate “verbatim transcript” of the interview.

Similarly, in focus groups, invited groups of people are interviewed in a discussion setting in the presence of the session moderator and generally these discussions last for 90 min.[ 7 ] Like every research technique having its own merits and demerits, group discussions have some intrinsic worth of expressing the opinions openly by the participants. On the contrary in these types of discussion settings, limited issues can be focused, and this may lead to the generation of fewer initiatives and suggestions about research topic.

Observation

Observation is a type of qualitative research method which not only included participant's observation, but also covered ethnography and research work in the field. In the observational research design, multiple study sites are involved. Observational data can be integrated as auxiliary or confirmatory research.[ 11 ]

Research can be visualized and perceived as painstaking methodical efforts to examine, investigate as well as restructure the realities, theories and applications. Research methods reflect the approach to tackling the research problem. Depending upon the need, research method could be either an amalgam of both qualitative and quantitative or qualitative or quantitative independently. By adopting qualitative methodology, a prospective researcher is going to fine-tune the pre-conceived notions as well as extrapolate the thought process, analyzing and estimating the issues from an in-depth perspective. This could be carried out by one-to-one interviews or as issue-directed discussions. Observational methods are, sometimes, supplemental means for corroborating research findings.

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http://orcid.org/0000-0002-4570-6686 Ramya Kumar 1 , 2 ,
http://orcid.org/0000-0003-4076-0170 Deepa Rao 3 ,
http://orcid.org/0000-0002-8189-0732 Anjali Sharma 1 ,
Jamia Phiri 1 ,
Martin Zimba 4 ,
Maureen Phiri 4 ,
Ruth Zyambo 5 ,
Gwen Mulenga Kalo 5 ,
Louise Chilembo 5 ,
Phidelina Milambo Kunda 6 ,
Chama Mulubwa 1 ,
Benard Ngosa 1 ,
http://orcid.org/0000-0001-5208-7468 Kenneth K Mugwanya 7 ,
Wendy E Barrington 8 ,
http://orcid.org/0000-0002-3629-3867 Michael E Herce 1 , 9 ,
http://orcid.org/0000-0001-9968-7540 Maurice Musheke 1
1 Centre for Infectious Disease Research in Zambia , Lusaka , Zambia
2 Epidemiology , University of Washington School of Public Health , Seattle , Washington , USA
3 University of Washington School of Public Health , Seattle , Washington , USA
4 Zambia Sex Workers Alliance , Lusaka , Zambia
5 Tithandizeni Umoyo Network , Lusaka , Zambia
6 Lusaka District Health Office , Zambia Ministry of Health , Lusaka , Zambia
7 Epidemiology, Global Health , University of Washington School of Public Health , Seattle , Washington , USA
8 Epidemiology; Child, Family, and Population Health Nursing; Health Systems and Population Health , University of Washington School of Public Health , Seattle , Washington , USA
9 Institute for Global Health and Infectious Diseases , University of North Carolina at Chapel Hill , Chapel Hill , North Carolina , USA
Correspondence to Dr Ramya Kumar; ramya.kumar.mlk{at}gmail.com

Introduction Women engaging in sex work (WESW) have 21 times the risk of HIV acquisition compared with the general population. However, accessing HIV pre-exposure prophylaxis (PrEP) remains challenging, and PrEP initiation and persistence are low due to stigma and related psychosocial factors. The WiSSPr (Women in Sex work, Stigma and PrEP) study aims to (1) estimate the effect of multiple stigmas on PrEP initiation and persistence and (2) qualitatively explore the enablers and barriers to PrEP use for WESW in Lusaka, Zambia.

Methods and analysis WiSSPr is a prospective observational cohort study grounded in community-based participatory research principles with a community advisory board (CAB) of key population (KP) civil society organi sations (KP-CSOs) and the Ministry of Health (MoH). We will administer a one-time psychosocial survey vetted by the CAB and follow 300 WESW in the electronic medical record for three months to measure PrEP initiation (#/% ever taking PrEP) and persistence (immediate discontinuation and a medication possession ratio). We will conduct in-depth interviews with a purposive sample of 18 women, including 12 WESW and 6 peer navigators who support routine HIV screening and PrEP delivery, in two community hubs serving KPs since October 2021. We seek to value KP communities as equal contributors to the knowledge production process by actively engaging KP-CSOs throughout the research process. Expected outcomes include quantitative measures of PrEP initiation and persistence among WESW, and qualitative insights into the enablers and barriers to PrEP use informed by participants’ lived experiences.

Ethics and dissemination WiSSPr was approved by the Institutional Review Boards of the University of Zambia (#3650-2023) and University of North Carolina (#22-3147). Participants must give written informed consent. Findings will be disseminated to the CAB, who will determine how to relay them to the community and stakeholders.

MENTAL HEALTH
HIV & AIDS
EPIDEMIOLOGIC STUDIES
Health Equity
QUALITATIVE RESEARCH
SOCIAL MEDICINE

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/ .

https://doi.org/10.1136/bmjopen-2023-080218

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STRENGTHS AND LIMITATIONS OF THIS STUDY

The Women in Sex work, Stigma and PrEP (WiSSPr) study uses a mixed-methods approach which is ideal for intersectional stigma research because it allows quantitative research to be grounded in the lived experiences of people, while ensuring that aspects of stigma that emerge at the intersections of identities are measured in testable ways.

Qualitative aim enrolls peer navigators to capture the perspectives of women who are at the unique interface of recipients of care as sex workers themselves, and supporters of health service delivery.

Uses core principles of community-based participatory research which value key populations as equal contributors to the knowledge production process.

Limitations include an inability to longitudinally assess the alignment of pre-exposure prophylaxis (PrEP) adherence and persistence with HIV risk, and limitations in measuring PrEP adherence by self-report and pharmacy dispensations instead of by drug biomarkers.

Introduction

Women engaging in sex work (WESW) are a key population (KP) that experiences an unacceptably high risk of HIV infection. In 2019, the Joint United Nations Programme on HIV/AIDS (UNAIDS) estimate WESW have 21 times the risk of HIV acquisition compared with the general population of adults aged 15 – 49 years old. 1 In Southern and East Africa, KPs and their sexual partners account for 25% of all new HIV infections. 2 To reduce the burden of HIV in Africa, HIV prevention strategies tailored to the unique needs of WESW are critical to safeguarding their health, as well as the health of people in their sexual networks. 3 4

While HIV pre-exposure prophylaxis (PrEP) is highly effective in preventing HIV infection, its real-world efficacy is closely linked to adherence, which is a complex process for WESW. A systematic review of PrEP usage and adherence among WESW reveals complex interrelationships between individual perceptions of HIV risk, social support and fear of healthcare provider stigma. 5 WESW may experience multiple stigmatised identities, conditions or behaviours, such as participating in sex work, having a substance use disorder, and taking HIV prevention medication. 6

Zambia has a generalised HIV epidemic, and the capital city of Lusaka is a major regional transit hub attracting WESW from the region. Approximately 3,396 live in Lusaka with over half (53%) living with HIV, underscoring the need to urgently tailor prevention strategies for this population. 7 WESW in Zambia are subject to violence and discrimination in the form of verbal, physical and sexual abuse from strangers, acquaintances, clients, intimate partners and even law enforcement. 8 Surveys among WESW in Zambia have identified healthcare provider stigma and discrimination, as well as a lack of confidential care as main barriers to HIV prevention services at public health facilities. 7 9 Therefore, a better understanding of the multiple stigmas that WESW experience is a critical first step to designing interventions to meet their HIV prevention needs.

In recent years, Zambia has made significant progress in reaching WESW and providing them with comprehensive HIV prevention services. Since May 2019, the PEPFAR-funded Key Population Investment Fund (KPIF) has been successfully engaging with KP in Lusaka Province and providing them with community-based HIV prevention and treatment services. KPIF is implemented by the Centre for Infectious Disease Research in Zambia (CIDRZ) in partnership with the Zambian Ministry of Health (MoH), US Centers for Disease Control and Prevention and importantly, key population civil society organisations (KP-CSOs). A key objective of the KPIF programme is to improve PrEP initiation, persistence and adherence for HIV-negative WESW. For this study, we propose to leverage existing KPIF infrastructure to enhance study feasibility and ensure its real-world relevance to achieving this key objective.

Although PrEP initiations are high in the KPIF programme, they may not accurately reflect PrEP effectiveness. 10 A systematic review of 41 studies found high discontinuation rates at 1 month. 11 Despite WHO recommendations and national PrEP guidelines for regular HIV testing and follow-up visits, maintaining client engagement with PrEP has been challenging. 12 13 This has resulted in a lack of data on short-term PrEP persistence among WESW in Zambia. Assessing the percentage of clients who do not return for their first follow-up visit is crucial for determining PrEP effectiveness. Current prevention strategies do not adequately address the multiple stigmas and psychosocial stress that hinder PrEP persistence.

Specific objectives

The Women in Sex work, Stigma and PrEP (WiSSPr) mixed-methods study aims to (1) measure the association between multiple stigmas on PrEP initiation and persistence among HIV-negative adult WESW and (2) qualitatively explore the enablers and barriers (interpersonal, psychosocial and structural) to initiating and persisting on PrEP. The qualitative aim will complement and contextualise 14–16 findings from the quantitative results. We hypothesize that WESW with high levels of any type of stigma will be less likely to initiate and persist on PrEP.

Conceptual framework

Interview guides will be informed by the Community, Opportunity, Motivation – Behaviour (COM-B) framework to assess how these components drive engagement with PrEP services. 17 18 The COM-B model is commonly used in HIV prevention because it offers a framework to guide the development and implementation of targeted interventions, thereby enhancing the efficacy and reach of HIV prevention programmes. 19 This framework will guide us to identify deficits in knowledge or skills (Capability), environmental and social contexts (Opportunity), and personal motivations and attitudes (Motivation). This integrated approach ensures that all relevant aspects of behaviour change are considered, leading to more effective and sustainable health outcomes.

Directed acyclic graph

Directed acyclic graphs (DAG) visually synthesise a priori knowledge about the hypothesised relationships between variables of interest, helping to identify causal pathways and potential confounders that could bias the results. We propose confounders based on their known association with stigmas and PrEP persistence, using evidence from published studies addressing similar questions. Controlling for the following variables will be sufficient to block any unconditionally open, non-causal backdoor paths that could lead to confounding: age, community hub, duration of sex work, and education ( figure 1 ).

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Directed acyclic graph illustrating the causal effect of stigma on PrEP persistence. PrEP, pre-exposure prophylaxis.

Methods and analysis

Study design.

We will use a prospective observational cohort study design with mixed methods to characterise PrEP outcomes for HIV-negative WESW in Lusaka, Zambia. Trained research assistants will administer a one-time, 75-item psychosocial survey to participants and follow them prospectively in the electronic medical record. For the qualitative aim, we will conduct in-depth interviews (IDIs) with WESW to get perspectives of prevention services with peer navigators who are both recipients of care and supporters of health service delivery.

Mixed-methods integration

We will use the NIH ‘Best Practices for Mixed Methods’ guidelines to design, analyse and interpret qualitative and quantitative data in mixed-methods research. 20 Specifically, we will employ a convergent parallel design that collects both qualitative and quantitative data concurrently and separately, prioritising both the quantitative and qualitative strands equally but keeping them independent during analysis. We will interpret the extent to which the two sets of results converge, diverge, relate to each other and/or combine to create a better understanding in response to the study’s overall purpose. 20

Study setting

The study population is composed of adult WESW who are living or working within the catchment areas of two community hubs located within urban Lusaka. Based on CIDRZ’s prior published work, we anticipate that the study population will be comprised largely (63%) of younger women (18 – 29 years old). 10

Study exposures and outcomes

Table 1 identifies the primary outcomes of PrEP initiation and persistence from pharmacy dispensations records in the last 90 days for survey participants. Several studies have accessed this data from the national electronic medical record system SmartCare. 21 22 CIDRZ is a key Smartcare implementing partner and routinely leveraging this data to optimise service delivery for KP in KPIF in order to better understand outcomes for HIV treatment and prevention in the national HIV programme. 23–28 Table 2 identifies the independent variables of interest including sociodemographic history, intersectional stigma (everyday discrimination scale), 29 substance use (ASSIST), 30 depressive symptoms (Patient Health Questionnaire, PHQ), 31 as well as sex work, HIV and PrEP-related stigmas and resulting discrimination using established questionnaires. 32–34 The qualitative outcomes are insights into the enablers and barriers to PrEP use informed by participants’ lived experiences according to the COM-B model.

View inline

WiSSPr study outcomes

WiSSPr study independent variables

Sample size

We determined the minimum sample size using Demidenko’s method for logistic regression with binary interactions, informed by effect size and variance data from Witte et al ’s study on PrEP acceptability among women in Uganda. 35–37 Sample size considerations are based on our primary outcome of PrEP initiation and informed by preliminary programmatic data that formed assumptions about baseline HIV prevalence and estimated PrEP initiations. Each site tests an average of 200 WESW per month, which will allow an estimated 800 women to be tested during the 2-month enrolment period. We project approximately 56% (448) will test HIV-negative, and of these, we estimate 403 (90%) will be eligible, and 350 (87%) will agree to initiate PrEP. Due to time and resource limitations, we seek to enroll a sample of 300 eligible WESW. Assuming 5% of participant medical records cannot be found, a total cohort of 285 PrEP users would allow us to estimate the prevalence ratio of stigma on PrEP initiation of 1.98 or higher (positive association), or 0.50 or lower (negative association) at 80% power with a significance level of 0.05. We aim to recruit 18 participants for IDIs, based on prior research with this population and qualitative methodology guidelines suggesting that 6 – 10 interviews per subgroup are sufficient to reach thematic saturation 14 20

Participant recruitment

The study will start in July 2023. WiSSPr will recruit 300 participants from a convenience sample of WESW who are receiving HIV services from two community-based hubs which have been functioning as MoH drop-in wellness centres since October 2021. All HIV testing and prevention services at these community hubs are led by teams of KP and MoH staff. Outreach activities take place in venues where WESW socialise, such as brothels, bars, or the home of a KP. Recruitment activities will take place during these outreach activities. KPIF programming leverages KP social networks to mobilise WESW for recruitment into the study. A total of 18 participants, including 6 peer navigators, 6 WESW who discontinue PrEP after initiation, and 6 WESW who continue on PrEP, will be purposively sampled for IDIs, or until we achieve thematic saturation. 38 Qualitative data collection will take place at least 30 days after the quantitative recruitment begins, in order to sample women who initiate a 30 day supply of PrEP but do not return to pick up another refill. Figure 2 outlines the WiSSPr study recruitment process.

The WiSSPr study flow diagram summarises the stages of participant recruitment and follow-up. PrEP, pre-exposure prophylaxis; WiSSPr, Women in Sex work, Stigma and PrEP.

Recruitment will end when 300 participants have been enrolled for the survey and 18 participants enrolled for interviews. PrEP event data will be abstracted from SmartCare approximately 3 months after the final participant’s enrollment. Study activities, including qualitative data collection, data quality control and assurance, and data analysis, are anticipated to continue until the planned end of the study in September 2024.

We will engage the community advisory board (CAB) in collaborative decision-making on: (1) how best to conduct outreach to venues that WESW frequent, (2) how to engage leaders in the sex work community to inform them about this study, and (3) to encourage WESW participation in a way that minimises social harms. Box 1 identifies the inclusion and exclusion criteria for the study. Written informed consent in English or local languages (ChiNyanja or IchiBemba) will be obtained before enrollment. As an added measure of protection for this marginalised population, participants must complete an informed consent quiz to ensure that they understand the potential risks of study participation. Participants will receive the Zambia Kwacha equivalent of US$5 per survey and interview as compensation for their time.

Inclusion and exclusion criteria

Cohort inclusion and exclusion criteria are as follows:

Inclusion criteria: (1) identify as a cis-gendered or transgendered woman, (2) age ≥ 18 years, (3) earns a significant amount of income from exchanging sex for money or goods in the last 3 months, (4) HIV-negative status and eligible for PrEP according to national guidelines, (5) not planning to transfer care to another site within the next 30 days, (6) speaks English or ChiNyanja or IchiBemba and (7) willing and able to provide written informed consent

Exclusion criteria: (1) do not identify as a woman, (2) age < 18 years old, (3) has not earned a significant amount of income from exchanging sex for money or goods or has earned for < 3 months, (4) HIV-positive status or status is unknown or ineligible for PrEP, (5) planning to transfer care to another site within the next 30 days, (6) unable to speak English or ChiNyanja or IchiBemba and (7) not willing or able to provide written informed consent

In-depth interviews will be conducted with cohort members, as well as peer navigators. The inclusions and exclusion criteria for peer navigators is as follows:

Inclusion criteria: (1) age ≥ 18 years old, (2) history working as a peer health navigator, (3) history of providing HIV services to women engaging in sex work, (4) speaks English or ChiNyanja or IchiBemba and (5) willing and able to provide written informed consent.

Exclusion criteria: (1) age < 18 years, (2) does not have a history working as a peer health navigator, (3) does not have a history of providing HIV services to women engaging in sex work, (4) unable to speak English or ChiNyanja or IchiBemba and (5) not willing or able to provide written informed consent.

Quantitative data collection

A team of 3–5 trained research assistants will administer a tablet-based survey ( online supplemental file 1 ) for quicker data entry, real-time quality control and logic checks to reduce data entry errors and immediate data backup compared with paper. Surveys, estimated to take 60 min each, will be conducted in English, ChiNyanja or IchiBemba, based on participant preference. The survey tool will be piloted with CAB members and peer navigators. Patient medical records are routinely entered by KPIF programme staff into a secure, standardised electronic data capture system, from which we will extract relevant deidentified data using the participants’ SmartCare ID numbers.

Supplemental material

Qualitative data collection.

We will use a semi-structured interview guide ( online supplemental file 1 ) with open-ended questions and probes to explore specific themes related to HIV prevention and intersectional stigma. This guide allows some flexibility for participants to follow topics of interest to them. The themes we will explore are informed by the COM-B conceptual framework which include perceived and enacted stigma, the impact of intersectional stigmas on health service utilisation service needs, enablers such as psychosocial support or the trustworthiness of the healthcare system. The guide also includes modules on PrEP where the interviewer will explain oral and long-acting injectable PrEP and assess participants perceptions of the advantages and disadvantages and willingness to use these different PrEP options. Participants will be asked about their own perceptions as well as their perceived opinions of their peers, as this approach has yielded richer responses in previous studies. 39 Interviews are estimated to take 60 minutes and will be conducted in English, ChiNyanja, or IchiBemba in a private location at a community safe space or other similarly secure location determined by participant preference. We will request permission to audio record interviews for transcription and translation. All interviews will be conducted by a single trained interviewer. The interview guides will be piloted with CAB members before implementation.

Data management

SmartCare serves as a repository of clinical data for WESW accessing KPIF services. A secure server will be used to store encrypted study data, including the study database. Quantitative data collected on tablets will be transmitted to the server at the end of each day. To ensure data safety, there will be daily backups, and data will also be stored on secure drives.

All IDIs will be audio recorded. Audio recordings will be transcribed verbatim and then translated into English in a single step by qualified research staff. The audio recordings will not be marked with any identifying information. Instead, interviewers will use unique participant codes to label the audio recordings. No personal identifiers will be used, and any identifiers inadvertently mentioned during interviews will be purged from the transcripts prior to analysis.

All medical records that contain participant identities are treated as confidential in accordance with the Zambian Data Protection Act. All study documents related to the participants will only include an assigned participant code. Only research staff will have access to linkable information, which will be kept strictly confidential. All records will be archived in a secure storage facility for 3 years after the completion of the study per local regulatory guidelines, after which time all electronic data will be deleted from project servers and hard drives, and all paper-based records will be disposed of.

Quantitative data analysis

We will conduct univariable analyses to examine whether there are differences in the levels of stigma, discrimination, depressive symptoms and substance use disorders among those who initiate PrEP versus those who do not, stratified by community hub. We will report the prevalences of HIV and PrEP stigmas, discrimination due to intersectional stigma identified by the Everyday Discrimination scale, depression and suicidal ideation identified by PHQ, and substance use disorders identified by ASSIST. We will sum all items within a screener to a total score before collapsing data into categorical variables. For cases where missing data are more limited (approximately < 5%), for single items and measures, we will use mean imputation to derive a score. If there is substantial missingness (> 10%) then we will use missing data methods such as multiple imputation.

A PHQ-9 score ≥ 10 is commonly used in primary care settings as a cut-off for probable major depression. 40 PHQ-9 cut-off scores of 5, 10, 15 and 20 will be categorised as mild, moderate, moderately severe and severe depression, respectively. The ASSIST gives 10 risk scores for tobacco, alcohol, cannabis, cocaine, amphetamine-type stimulants, inhalants, sedatives, hallucinogens, opioids and other drugs. The score is higher the more frequently the participant reports using substances. For alcohol use, we will use cut-offs of 11 and 27 for moderate and high risk of substance use disorder. For all other substances cut-offs of 4, and 27 for moderate and high risk. 30

PrEP initiation will be calculated using the total number of individuals initiated on PrEP over the total number of HIV-negative individuals who were enrolled and eligible for PrEP. We refer to the complement of discontinuation as PrEP persistence. 41 We define immediate discontinuation for those who initiate a 30 day supply of PrEP and do not return for any refills over the 108 day observation period in alignment with national antiretroviral therapy (ART) programme guidelines on continuity of care and management of missed appointments. 21 42 We will calculate a medication possession ratio (MPR) of total days with medication in patient possession to the observation period, as a measure of engagement in services and report both the MPR and IQR ( table 1 ).

We will use Stata (V.16.1, StataCorp) for analysis, reporting descriptive statistics to characterise the study population and bivariate associations between key exposures and immediate discontinuation with Pearson’s χ 2 statistics. We will fit Poisson regression models, which will estimate prevalence ratios of discrimination, PrEP stigma and HIV stigma on immediate discontinuation of PrEP over a 3-month follow-up period, controlling for confounders identified by the DAG. Adjusted prevalence ratio estimates will be reported with 95% CIs and p-values at the alpha = 0.05 significance level.

Qualitative data analysis

We will analyse the qualitative data using established analytical software (NVivo, QSR International, Melbourne, Australia) through deductive reasoning based on our conceptual model and inductive reasoning to identify major and minor themes emerging from audio recordings and transcripts. The process of eliciting themes will involve familiarisation with interview transcripts and noting emergent themes, adapting our conceptual framework as necessary, performing open coding, developing a codebook, performing data reduction, data display using matrices and/or tables, and interpretation to map out relationships in the data. Two coders will review these data, independently identify emergent themes, and confer to agree on final coding and findings. We will apply established qualitative research principles in our analyses, including negative case analysis and respondent validation. 43 44

Participant attitudes and preferences relating to elements of future stigma-reduction intervention, psychosocial support provision and long-acting injectable PrEP will be described qualitatively. We will strive for critical reflexivity by outlining our point of view in relation to the interviewees of the study during data collection and will state how positionality and context may have affected the findings. The credibility and trustworthiness of qualitative data will be assured through member-checking by participants themselves. 45

Ethics and dissemination

WiSSPr was approved by the Institutional Review Boards of the University of Zambia (#3650 -2023) and University of North Carolina, the Zambia National Health Research Authority and the Lusaka Provincial and District Health Offices. A final study notification will be sent on completion of the study, or in the event of early termination. Participants are free to withdraw from the study at any time without affecting their right to medical care.

The study findings will be disseminated to KP community members, providers, researchers and policy-makers. The CAB will review preliminary results and advise on meaningful dissemination to the KP community, National AIDS Council, National HIV and Mental Health Technical Working Groups, investigators and stakeholders. The information will be presented at conferences or published in peer-reviewed journals. Participants’ personal information will not be included in any publications.

Patient and public involvement

We will use principles of community-based participatory research (CBPR) to ensure patient and public involvement in this study. CBPR is a research paradigm that focuses on relationships between academic and community partners, with principles of co-learning, mutual benefit and long-term commitment. 46 CBPR incorporates community theories, participation, and practices into the research efforts and plays a role in expanding the reach of implementation science to influence practice and policies for eliminating health disparities. 46 47

To collaboratively develop this study with clients and the public, we will use CBPR principles and create a CAB with Lusaka District Health Office and two KP-CSOs working in the study sites: Zambia Sex Workers Alliance and Tithandizeni Umoyo Network. As a study team, our first priority is to develop trust with people engaging in sex work. Trust development is a construct of CBPR and has also emerged as a synthesising theory. 48 49 Trust types are ordered along a relative continuum from least (trust deficit) to most (critical reflective) trust which reflects an ability to discuss and move on after a misstep. 48 Given the historical marginalisation and stigmatisation of WESW in Zambia, we anticipate a trust deficit and have allocated time and budget to nurture and develop trust along this continuum. We will build trust through ‘role-based trust’ as researchers, ‘proxy trust’ from the reputation of CIDRZ and KP CSO team members’ work with KPs in Zambia, and ultimately aim to establish ‘critical reflective’ trust.

The research questions and outcome measures were developed in collaboration with the CAB, ensuring they reflect the priorities, experiences and preferences of the sex worker community. Input from the CAB helped tailor the study to address the most pressing issues identified by the community. The study team will work with the CAB to adapt the study within complex systems of organisational and cultural context and knowledge. Collaborative decision-making will occur prior to the study launch, throughout the recruitment period, and during dissemination. The CAB will provide feedback on the potential burden of the intervention and the time required for participation, so that the study minimises inconvenience and respected participants’ time constraints. All partners will decide what it means to have a ‘collaborative, equitable partnership’ and how to make that happen. 50 The CAB will advise on which community hub to recruit from first, and how to work with community leaders to adapt study standard operating procedures to not disrupt service implementation at study sites. They will also advise on how to minimise potential risks to participants, including ways to reduce emotional distress and ensure physical safety. Participants experiencing emotional distress will be referred for psychosocial support with evidence-based mental health therapy specialised for those with depression and substance abuse, with the KPIF providing transportation and a peer navigator accompanying them to the facility providing these services. The CAB will be actively involved in planning the dissemination of study results to participants and the wider community, helping decide what information to share, the timing of the dissemination and the most appropriate formats for communicating the findings.

The WiSSPr study is significant as it addresses the limitations of HIV interventions that focus solely on HIV-related stigma, without considering co-occurring stigmas linked to other identities or conditions. This study will inform the design of PrEP service delivery programmes for WESW in Zambia and the region. Understanding stigmas and related psychosocial factors is crucial for developing effective, evidence-based stigma-reduction interventions for WESW in Africa. Our long-term goal is to optimise person-centred HIV prevention by implementing inclusive, affirming practices for individuals facing multiple barriers.

Strengths of this study include (1) a mixed-methods approach which grounds quantitative research in the lived experiences of people and measures aspects of stigma that emerge at the intersections of identities, (2) qualitative data from peer navigators capturing perspectives of women at the unique interface of being recipients of care as sex workers as well as direct supporters of health service delivery, and (3) incorporation of core principles of CBPR which value KP-CSOs as equal contributors to the knowledge production process.

Several methodological limitations are also inherent in the study. First, we are unable to longitudinally assess the alignment of PrEP adherence and persistence with HIV risk. We will be limited to measuring PrEP adherence by self-report and pharmacy dispensations instead of by biomarkers of tenofovir use. Secondly, recruitment might fall short at some sites, necessitating expansion to additional community outreach venues leveraging our network of KPs. Lastly, cohort studies may have bias, due to recall and social desirability bias of self-reported measures, and missing data.

Ethics statements

Patient consent for publication.

Not applicable.

Acknowledgments

The authors would like to acknowledge the infrastructure support provided by the Centre for Infectious Disease Research in Zambia (CIDRZ) and the Key Populations Investment Fund (KPIF) programme. The authors would also like to thank peer navigators and leaders in the sex work community for their assistance in developing the study approach and recruiting study participants.

↵ Global hiv & aids statistics — fact sheet . 2023 . Available : https://www.unaids.org/en/resources/fact-sheet
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MEH and MM are joint senior authors.

X @idlidosa2, @kenmugwanya, @webarrington

Contributors RK, DR, AS, MM, MH, KKM and WB conceived and designed the study. RK, DR, AS, MM, MH, JP, MZ, MP, RZ, GMK, LC, PMK, CM and BN created the interview guides and survey. All authors revised drafts and gave final approval for publication. MM is the guarantor of the study and accepts full responsibility for the finished work and the conduct of the study, had access to the data and controlled the decision to publish.

Funding The study is being supported by the NIH Fogarty Global Health Fellowship awarded by the NIH Fogarty International Center Grant #D43TW009340.

Competing interests None declared.

Patient and public involvement Patients and/or the public were involved in the design, or conduct, or reporting, or dissemination plans of this research. Refer to the Methods section for further details.

Provenance and peer review Not commissioned; externally peer reviewed.

Supplemental material This content has been supplied by the author(s). It has not been vetted by BMJ Publishing Group Limited (BMJ) and may not have been peer-reviewed. Any opinions or recommendations discussed are solely those of the author(s) and are not endorsed by BMJ. BMJ disclaims all liability and responsibility arising from any reliance placed on the content. Where the content includes any translated material, BMJ does not warrant the accuracy and reliability of the translations (including but not limited to local regulations, clinical guidelines, terminology, drug names and drug dosages), and is not responsible for any error and/or omissions arising from translation and adaptation or otherwise.

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