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5 Benefits of Learning Through the Case Study Method

• 28 Nov 2023

While several factors make HBS Online unique —including a global Community and real-world outcomes —active learning through the case study method rises to the top.

In a 2023 City Square Associates survey, 74 percent of HBS Online learners who also took a course from another provider said HBS Online’s case method and real-world examples were better by comparison.

Here’s a primer on the case method, five benefits you could gain, and how to experience it for yourself.

Access your free e-book today.

What Is the Harvard Business School Case Study Method?

The case study method , or case method , is a learning technique in which you’re presented with a real-world business challenge and asked how you’d solve it. After working through it yourself and with peers, you’re told how the scenario played out.

HBS pioneered the case method in 1922. Shortly before, in 1921, the first case was written.

“How do you go into an ambiguous situation and get to the bottom of it?” says HBS Professor Jan Rivkin, former senior associate dean and chair of HBS's master of business administration (MBA) program, in a video about the case method . “That skill—the skill of figuring out a course of inquiry to choose a course of action—that skill is as relevant today as it was in 1921.”

Originally developed for the in-person MBA classroom, HBS Online adapted the case method into an engaging, interactive online learning experience in 2014.

In HBS Online courses , you learn about each case from the business professional who experienced it. After reviewing their videos, you’re prompted to take their perspective and explain how you’d handle their situation.

You then get to read peers’ responses, “star” them, and comment to further the discussion. Afterward, you learn how the professional handled it and their key takeaways.

HBS Online’s adaptation of the case method incorporates the famed HBS “cold call,” in which you’re called on at random to make a decision without time to prepare.

“Learning came to life!” said Sheneka Balogun , chief administration officer and chief of staff at LeMoyne-Owen College, of her experience taking the Credential of Readiness (CORe) program . “The videos from the professors, the interactive cold calls where you were randomly selected to participate, and the case studies that enhanced and often captured the essence of objectives and learning goals were all embedded in each module. This made learning fun, engaging, and student-friendly.”

If you’re considering taking a course that leverages the case study method, here are five benefits you could experience.

5 Benefits of Learning Through Case Studies

1. take new perspectives.

The case method prompts you to consider a scenario from another person’s perspective. To work through the situation and come up with a solution, you must consider their circumstances, limitations, risk tolerance, stakeholders, resources, and potential consequences to assess how to respond.

Taking on new perspectives not only can help you navigate your own challenges but also others’. Putting yourself in someone else’s situation to understand their motivations and needs can go a long way when collaborating with stakeholders.

2. Hone Your Decision-Making Skills

Another skill you can build is the ability to make decisions effectively . The case study method forces you to use limited information to decide how to handle a problem—just like in the real world.

Throughout your career, you’ll need to make difficult decisions with incomplete or imperfect information—and sometimes, you won’t feel qualified to do so. Learning through the case method allows you to practice this skill in a low-stakes environment. When facing a real challenge, you’ll be better prepared to think quickly, collaborate with others, and present and defend your solution.

3. Become More Open-Minded

As you collaborate with peers on responses, it becomes clear that not everyone solves problems the same way. Exposing yourself to various approaches and perspectives can help you become a more open-minded professional.

When you’re part of a diverse group of learners from around the world, your experiences, cultures, and backgrounds contribute to a range of opinions on each case.

On the HBS Online course platform, you’re prompted to view and comment on others’ responses, and discussion is encouraged. This practice of considering others’ perspectives can make you more receptive in your career.

“You’d be surprised at how much you can learn from your peers,” said Ratnaditya Jonnalagadda , a software engineer who took CORe.

In addition to interacting with peers in the course platform, Jonnalagadda was part of the HBS Online Community , where he networked with other professionals and continued discussions sparked by course content.

“You get to understand your peers better, and students share examples of businesses implementing a concept from a module you just learned,” Jonnalagadda said. “It’s a very good way to cement the concepts in one's mind.”

4. Enhance Your Curiosity

One byproduct of taking on different perspectives is that it enables you to picture yourself in various roles, industries, and business functions.

“Each case offers an opportunity for students to see what resonates with them, what excites them, what bores them, which role they could imagine inhabiting in their careers,” says former HBS Dean Nitin Nohria in the Harvard Business Review . “Cases stimulate curiosity about the range of opportunities in the world and the many ways that students can make a difference as leaders.”

Through the case method, you can “try on” roles you may not have considered and feel more prepared to change or advance your career .

5. Build Your Self-Confidence

Finally, learning through the case study method can build your confidence. Each time you assume a business leader’s perspective, aim to solve a new challenge, and express and defend your opinions and decisions to peers, you prepare to do the same in your career.

According to a 2022 City Square Associates survey , 84 percent of HBS Online learners report feeling more confident making business decisions after taking a course.

“Self-confidence is difficult to teach or coach, but the case study method seems to instill it in people,” Nohria says in the Harvard Business Review . “There may well be other ways of learning these meta-skills, such as the repeated experience gained through practice or guidance from a gifted coach. However, under the direction of a masterful teacher, the case method can engage students and help them develop powerful meta-skills like no other form of teaching.”

How to Experience the Case Study Method

If the case method seems like a good fit for your learning style, experience it for yourself by taking an HBS Online course. Offerings span seven subject areas, including:

• Business essentials
• Leadership and management
• Entrepreneurship and innovation
• Finance and accounting
• Business in society

No matter which course or credential program you choose, you’ll examine case studies from real business professionals, work through their challenges alongside peers, and gain valuable insights to apply to your career.

Are you interested in discovering how HBS Online can help advance your career? Explore our course catalog and download our free guide —complete with interactive workbook sections—to determine if online learning is right for you and which course to take.

About the Author

10 Case Study Advantages and Disadvantages

Chris Drew (PhD)

Dr. Chris Drew is the founder of the Helpful Professor. He holds a PhD in education and has published over 20 articles in scholarly journals. He is the former editor of the Journal of Learning Development in Higher Education. [Image Descriptor: Photo of Chris]

Learn about our Editorial Process

A case study in academic research is a detailed and in-depth examination of a specific instance or event, generally conducted through a qualitative approach to data.

The most common case study definition that I come across is is Robert K. Yin’s (2003, p. 13) quote provided below:

“An empirical inquiry that investigates a contemporary phenomenon within its real-life context, especially when the boundaries between phenomenon and context are not clearly evident.”

Researchers conduct case studies for a number of reasons, such as to explore complex phenomena within their real-life context, to look at a particularly interesting instance of a situation, or to dig deeper into something of interest identified in a wider-scale project.

While case studies render extremely interesting data, they have many limitations and are not suitable for all studies. One key limitation is that a case study’s findings are not usually generalizable to broader populations because one instance cannot be used to infer trends across populations.

Case Study Advantages and Disadvantages

1. in-depth analysis of complex phenomena.

Case study design allows researchers to delve deeply into intricate issues and situations.

By focusing on a specific instance or event, researchers can uncover nuanced details and layers of understanding that might be missed with other research methods, especially large-scale survey studies.

As Lee and Saunders (2017) argue,

“It allows that particular event to be studies in detail so that its unique qualities may be identified.”

This depth of analysis can provide rich insights into the underlying factors and dynamics of the studied phenomenon.

2. Holistic Understanding

Building on the above point, case studies can help us to understand a topic holistically and from multiple angles.

This means the researcher isn’t restricted to just examining a topic by using a pre-determined set of questions, as with questionnaires. Instead, researchers can use qualitative methods to delve into the many different angles, perspectives, and contextual factors related to the case study.

We can turn to Lee and Saunders (2017) again, who notes that case study researchers “develop a deep, holistic understanding of a particular phenomenon” with the intent of deeply understanding the phenomenon.

3. Examination of rare and Unusual Phenomena

We need to use case study methods when we stumble upon “rare and unusual” (Lee & Saunders, 2017) phenomena that would tend to be seen as mere outliers in population studies.

Take, for example, a child genius. A population study of all children of that child’s age would merely see this child as an outlier in the dataset, and this child may even be removed in order to predict overall trends.

So, to truly come to an understanding of this child and get insights into the environmental conditions that led to this child’s remarkable cognitive development, we need to do an in-depth study of this child specifically – so, we’d use a case study.

4. Helps Reveal the Experiences of Marginalzied Groups

Just as rare and unsual cases can be overlooked in population studies, so too can the experiences, beliefs, and perspectives of marginalized groups.

As Lee and Saunders (2017) argue, “case studies are also extremely useful in helping the expression of the voices of people whose interests are often ignored.”

Take, for example, the experiences of minority populations as they navigate healthcare systems. This was for many years a “hidden” phenomenon, not examined by researchers. It took case study designs to truly reveal this phenomenon, which helped to raise practitioners’ awareness of the importance of cultural sensitivity in medicine.

5. Ideal in Situations where Researchers cannot Control the Variables

Experimental designs – where a study takes place in a lab or controlled environment – are excellent for determining cause and effect . But not all studies can take place in controlled environments (Tetnowski, 2015).

When we’re out in the field doing observational studies or similar fieldwork, we don’t have the freedom to isolate dependent and independent variables. We need to use alternate methods.

Case studies are ideal in such situations.

A case study design will allow researchers to deeply immerse themselves in a setting (potentially combining it with methods such as ethnography or researcher observation) in order to see how phenomena take place in real-life settings.

6. Supports the generation of new theories or hypotheses

While large-scale quantitative studies such as cross-sectional designs and population surveys are excellent at testing theories and hypotheses on a large scale, they need a hypothesis to start off with!

This is where case studies – in the form of grounded research – come in. Often, a case study doesn’t start with a hypothesis. Instead, it ends with a hypothesis based upon the findings within a singular setting.

The deep analysis allows for hypotheses to emerge, which can then be taken to larger-scale studies in order to conduct further, more generalizable, testing of the hypothesis or theory.

7. Reveals the Unexpected

When a largescale quantitative research project has a clear hypothesis that it will test, it often becomes very rigid and has tunnel-vision on just exploring the hypothesis.

Of course, a structured scientific examination of the effects of specific interventions targeted at specific variables is extermely valuable.

But narrowly-focused studies often fail to shine a spotlight on unexpected and emergent data. Here, case studies come in very useful. Oftentimes, researchers set their eyes on a phenomenon and, when examining it closely with case studies, identify data and come to conclusions that are unprecedented, unforeseen, and outright surprising.

As Lars Meier (2009, p. 975) marvels, “where else can we become a part of foreign social worlds and have the chance to become aware of the unexpected?”

Disadvantages

1. not usually generalizable.

Case studies are not generalizable because they tend not to look at a broad enough corpus of data to be able to infer that there is a trend across a population.

As Yang (2022) argues, “by definition, case studies can make no claims to be typical.”

Case studies focus on one specific instance of a phenomenon. They explore the context, nuances, and situational factors that have come to bear on the case study. This is really useful for bringing to light important, new, and surprising information, as I’ve already covered.

But , it’s not often useful for generating data that has validity beyond the specific case study being examined.

2. Subjectivity in interpretation

Case studies usually (but not always) use qualitative data which helps to get deep into a topic and explain it in human terms, finding insights unattainable by quantitative data.

But qualitative data in case studies relies heavily on researcher interpretation. While researchers can be trained and work hard to focus on minimizing subjectivity (through methods like triangulation), it often emerges – some might argue it’s innevitable in qualitative studies.

So, a criticism of case studies could be that they’re more prone to subjectivity – and researchers need to take strides to address this in their studies.

3. Difficulty in replicating results

Case study research is often non-replicable because the study takes place in complex real-world settings where variables are not controlled.

So, when returning to a setting to re-do or attempt to replicate a study, we often find that the variables have changed to such an extent that replication is difficult. Furthermore, new researchers (with new subjective eyes) may catch things that the other readers overlooked.

Replication is even harder when researchers attempt to replicate a case study design in a new setting or with different participants.

Comprehension Quiz for Students

Question 1: What benefit do case studies offer when exploring the experiences of marginalized groups?

a) They provide generalizable data. b) They help express the voices of often-ignored individuals. c) They control all variables for the study. d) They always start with a clear hypothesis.

Question 2: Why might case studies be considered ideal for situations where researchers cannot control all variables?

a) They provide a structured scientific examination. b) They allow for generalizability across populations. c) They focus on one specific instance of a phenomenon. d) They allow for deep immersion in real-life settings.

Question 3: What is a primary disadvantage of case studies in terms of data applicability?

a) They always focus on the unexpected. b) They are not usually generalizable. c) They support the generation of new theories. d) They provide a holistic understanding.

Question 4: Why might case studies be considered more prone to subjectivity?

a) They always use quantitative data. b) They heavily rely on researcher interpretation, especially with qualitative data. c) They are always replicable. d) They look at a broad corpus of data.

Question 5: In what situations are experimental designs, such as those conducted in labs, most valuable?

a) When there’s a need to study rare and unusual phenomena. b) When a holistic understanding is required. c) When determining cause-and-effect relationships. d) When the study focuses on marginalized groups.

Question 6: Why is replication challenging in case study research?

a) Because they always use qualitative data. b) Because they tend to focus on a broad corpus of data. c) Due to the changing variables in complex real-world settings. d) Because they always start with a hypothesis.

Lee, B., & Saunders, M. N. K. (2017). Conducting Case Study Research for Business and Management Students. SAGE Publications.

Meir, L. (2009). Feasting on the Benefits of Case Study Research. In Mills, A. J., Wiebe, E., & Durepos, G. (Eds.). Encyclopedia of Case Study Research (Vol. 2). London: SAGE Publications.

Tetnowski, J. (2015). Qualitative case study research design.  Perspectives on fluency and fluency disorders ,  25 (1), 39-45. ( Source )

Yang, S. L. (2022). The War on Corruption in China: Local Reform and Innovation . Taylor & Francis.

Yin, R. (2003). Case Study research. Thousand Oaks, CA: Sage.

• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd/ 101 Class Group Name Ideas (for School Students)
• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd/ 19 Top Cognitive Psychology Theories (Explained)
• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd/ 119 Bloom’s Taxonomy Examples
• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd/ All 6 Levels of Understanding (on Bloom’s Taxonomy)

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What the Case Study Method Really Teaches

• Nitin Nohria

Seven meta-skills that stick even if the cases fade from memory.

It’s been 100 years since Harvard Business School began using the case study method. Beyond teaching specific subject matter, the case study method excels in instilling meta-skills in students. This article explains the importance of seven such skills: preparation, discernment, bias recognition, judgement, collaboration, curiosity, and self-confidence.

During my decade as dean of Harvard Business School, I spent hundreds of hours talking with our alumni. To enliven these conversations, I relied on a favorite question: “What was the most important thing you learned from your time in our MBA program?”

• Nitin Nohria is the George F. Baker Jr. and Distinguished Service University Professor. He served as the 10th dean of Harvard Business School, from 2010 to 2020.

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What are the benefits and drawbacks of case study research?

Posted by Mark Murphy | May 24, 2014 | Method , Research Students | 0

There should be no doubt that with case studies what you gain in depth you lose in breadth – this is the unavoidable compromise that needs to be understood from the beginning of the research process. So this is neither an advantage nor a disadvantage as one aspect cancels out the benefits/drawbacks of the other – there are other benefits and drawbacks that need attention however …

• Their flexibility: case studies are popular for a number of reasons, one being that they can be conducted at various points in the research process. Researchers are known to favour them as a way to develop ideas for more extensive research in the future – pilot studies often take the form of case studies. They are also effective conduits for a broad range of research methods; in that sense they are non-prejudicial against any particular type of research – focus groups are just as welcome in case study research as are questionnaires or participant observation.
• Capturing reality: One of their key benefits is their ability to capture what Hodkinson and Hodkinson call ‘lived reality’ (2001: 3). As they put it, case studies have the potential, when applied successfully, to ‘retain more of the “noise” of real life than many other types of research’ (Hodkinson and Hodkinson, 2001: 3). The importance of ‘noise’ and its place in research is especially important in contexts such as education, for example in schools where background noise is unavoidable. Educational contexts are always complex, and as a result it is difficult to exclude other unwanted variables, ‘some of which may only have real significance for one of their students’ (Hodkinson and Hodkinson, 2001, 4).
• The challenge of generality: At the same time, given their specificity, care needs to be taken when attempting to generalise from the findings. While there’s no inherent flaw in case study design that precludes its broader application, it is preferable that researchers choose their case study sites carefully, while also basing their analysis within existing research findings that have been generated via other research designs. No design is infallible but so often has the claim against case studies been made, that some of the criticism (unwarranted and unfair in many cases) has stuck.
• Suspicion of amateurism: Less partisan researchers might wonder whether the case study offers the time and finance-strapped researcher a convenient and pragmatic source of data, providing findings and recommendations that, given the nature of case studies, can neither be confirmed nor denied, in terms of utility or veracity. Who is to say that case studies offer anything more than a story to tell, and nothing more than that?
• But alongside this suspicion is another more insiduous one – a notion that ‘stories’ are not what social science research is about. This can be a concern for those who favour  case study research, as the political consequences can be hard to ignore. That said, so much research is based either on peoples’ lives or the impact of other issues (poverty, institutional policy) on their lives, so the stories of what actually occurs in their lives or in professional environments tend to be an invaluable source of evidence. The fact is that stories (individual, collective, institutional) have a vital role to play in the world of research. And to play the specific v. general card against case study design suggests a tendency towards forms of research fundamentalism as opposed to any kind of rational and objective take on case study’s strengths and limitations.
• Preciousness: Having said that, researchers should not fall into the trap (surprising how often this happens) of assuming that case study data speaks for itself – rarely is this ever the case, an assumption that is as patronising to research subjects as it is false. The role of the researcher is both to describe social phenomena and also to explain – i.e., interpret. Without interpretation the research findings lack meaningful presentation – they present themselves as fact when of course the reality of ‘facts’ is one of the reasons why such research is carried out.
• Conflation of political/research objectives: Another trap that case study researchers sometimes fall into is presenting research findings as if they were self-evidently true, as if the stories were beyond criticism. This is often accompanied by a vague attachment to the notion that research is a political process – one that is performed as a form of liberation against for example policies that seek to ignore the stories of those who ‘suffer’ at the hands of overbearing political or economic imperatives. Case study design should not be viewed as a mechanism for providing a ‘local’ bulwark against the ‘global’ – bur rather as a mechanism for checking the veracity of universalist claims (at least one of its objectives). The valorisation of particularism can only get you so far in social research.

[This post is adapted from material in ‘Research and Education’ (Curtis, Murphy and Shields , Routledge 2014), pp. 80-82].

Reference: Hodkinson, P. and H. Hodkinson (2001). The strengths and limitations of case study research. Paper presented to the Learning and Skills Development Agency conference, Making an impact on policy and practice , Cambridge, 5-7 December 2001, downloaded from h ttp://education.exeter.ac.uk/tlc/docs/publications/LE_PH_PUB_05.12.01.rtf.26.01.2013

About The Author

Mark Murphy

Mark Murphy is a Reader in Education and Public Policy at the University of Glasgow. He previously worked as an academic at King’s College, London, University of Chester, University of Stirling, National University of Ireland, Maynooth, University College Dublin and Northern Illinois University. Mark is an active researcher in the fields of education and public policy. His research interests include educational sociology, critical theory, accountability in higher education, and public sector reform.

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Recent Posts

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
• Focus groups
• Observational research

What is a case study?

Applications for case study research, what is a good case study, process of case study design, benefits and limitations of case studies.

• Ethnographical research
• Ethical considerations
• Confidentiality and privacy
• Power dynamics
• Reflexivity

Case studies

Case studies are essential to qualitative research , offering a lens through which researchers can investigate complex phenomena within their real-life contexts. This chapter explores the concept, purpose, applications, examples, and types of case studies and provides guidance on how to conduct case study research effectively.

Whereas quantitative methods look at phenomena at scale, case study research looks at a concept or phenomenon in considerable detail. While analyzing a single case can help understand one perspective regarding the object of research inquiry, analyzing multiple cases can help obtain a more holistic sense of the topic or issue. Let's provide a basic definition of a case study, then explore its characteristics and role in the qualitative research process.

Definition of a case study

A case study in qualitative research is a strategy of inquiry that involves an in-depth investigation of a phenomenon within its real-world context. It provides researchers with the opportunity to acquire an in-depth understanding of intricate details that might not be as apparent or accessible through other methods of research. The specific case or cases being studied can be a single person, group, or organization – demarcating what constitutes a relevant case worth studying depends on the researcher and their research question .

Among qualitative research methods , a case study relies on multiple sources of evidence, such as documents, artifacts, interviews , or observations , to present a complete and nuanced understanding of the phenomenon under investigation. The objective is to illuminate the readers' understanding of the phenomenon beyond its abstract statistical or theoretical explanations.

Characteristics of case studies

Case studies typically possess a number of distinct characteristics that set them apart from other research methods. These characteristics include a focus on holistic description and explanation, flexibility in the design and data collection methods, reliance on multiple sources of evidence, and emphasis on the context in which the phenomenon occurs.

Furthermore, case studies can often involve a longitudinal examination of the case, meaning they study the case over a period of time. These characteristics allow case studies to yield comprehensive, in-depth, and richly contextualized insights about the phenomenon of interest.

The role of case studies in research

Case studies hold a unique position in the broader landscape of research methods aimed at theory development. They are instrumental when the primary research interest is to gain an intensive, detailed understanding of a phenomenon in its real-life context.

In addition, case studies can serve different purposes within research - they can be used for exploratory, descriptive, or explanatory purposes, depending on the research question and objectives. This flexibility and depth make case studies a valuable tool in the toolkit of qualitative researchers.

Remember, a well-conducted case study can offer a rich, insightful contribution to both academic and practical knowledge through theory development or theory verification, thus enhancing our understanding of complex phenomena in their real-world contexts.

What is the purpose of a case study?

Case study research aims for a more comprehensive understanding of phenomena, requiring various research methods to gather information for qualitative analysis . Ultimately, a case study can allow the researcher to gain insight into a particular object of inquiry and develop a theoretical framework relevant to the research inquiry.

Why use case studies in qualitative research?

Using case studies as a research strategy depends mainly on the nature of the research question and the researcher's access to the data.

Conducting case study research provides a level of detail and contextual richness that other research methods might not offer. They are beneficial when there's a need to understand complex social phenomena within their natural contexts.

The explanatory, exploratory, and descriptive roles of case studies

Case studies can take on various roles depending on the research objectives. They can be exploratory when the research aims to discover new phenomena or define new research questions; they are descriptive when the objective is to depict a phenomenon within its context in a detailed manner; and they can be explanatory if the goal is to understand specific relationships within the studied context. Thus, the versatility of case studies allows researchers to approach their topic from different angles, offering multiple ways to uncover and interpret the data .

The impact of case studies on knowledge development

Case studies play a significant role in knowledge development across various disciplines. Analysis of cases provides an avenue for researchers to explore phenomena within their context based on the collected data.

This can result in the production of rich, practical insights that can be instrumental in both theory-building and practice. Case studies allow researchers to delve into the intricacies and complexities of real-life situations, uncovering insights that might otherwise remain hidden.

Types of case studies

In qualitative research , a case study is not a one-size-fits-all approach. Depending on the nature of the research question and the specific objectives of the study, researchers might choose to use different types of case studies. These types differ in their focus, methodology, and the level of detail they provide about the phenomenon under investigation.

Understanding these types is crucial for selecting the most appropriate approach for your research project and effectively achieving your research goals. Let's briefly look at the main types of case studies.

Exploratory case studies

Exploratory case studies are typically conducted to develop a theory or framework around an understudied phenomenon. They can also serve as a precursor to a larger-scale research project. Exploratory case studies are useful when a researcher wants to identify the key issues or questions which can spur more extensive study or be used to develop propositions for further research. These case studies are characterized by flexibility, allowing researchers to explore various aspects of a phenomenon as they emerge, which can also form the foundation for subsequent studies.

Descriptive case studies

Descriptive case studies aim to provide a complete and accurate representation of a phenomenon or event within its context. These case studies are often based on an established theoretical framework, which guides how data is collected and analyzed. The researcher is concerned with describing the phenomenon in detail, as it occurs naturally, without trying to influence or manipulate it.

Explanatory case studies

Explanatory case studies are focused on explanation - they seek to clarify how or why certain phenomena occur. Often used in complex, real-life situations, they can be particularly valuable in clarifying causal relationships among concepts and understanding the interplay between different factors within a specific context.

Intrinsic, instrumental, and collective case studies

These three categories of case studies focus on the nature and purpose of the study. An intrinsic case study is conducted when a researcher has an inherent interest in the case itself. Instrumental case studies are employed when the case is used to provide insight into a particular issue or phenomenon. A collective case study, on the other hand, involves studying multiple cases simultaneously to investigate some general phenomena.

Each type of case study serves a different purpose and has its own strengths and challenges. The selection of the type should be guided by the research question and objectives, as well as the context and constraints of the research.

The flexibility, depth, and contextual richness offered by case studies make this approach an excellent research method for various fields of study. They enable researchers to investigate real-world phenomena within their specific contexts, capturing nuances that other research methods might miss. Across numerous fields, case studies provide valuable insights into complex issues.

Critical information systems research

Case studies provide a detailed understanding of the role and impact of information systems in different contexts. They offer a platform to explore how information systems are designed, implemented, and used and how they interact with various social, economic, and political factors. Case studies in this field often focus on examining the intricate relationship between technology, organizational processes, and user behavior, helping to uncover insights that can inform better system design and implementation.

Health research

Health research is another field where case studies are highly valuable. They offer a way to explore patient experiences, healthcare delivery processes, and the impact of various interventions in a real-world context.

Case studies can provide a deep understanding of a patient's journey, giving insights into the intricacies of disease progression, treatment effects, and the psychosocial aspects of health and illness.

Asthma research studies

Specifically within medical research, studies on asthma often employ case studies to explore the individual and environmental factors that influence asthma development, management, and outcomes. A case study can provide rich, detailed data about individual patients' experiences, from the triggers and symptoms they experience to the effectiveness of various management strategies. This can be crucial for developing patient-centered asthma care approaches.

Other fields

Apart from the fields mentioned, case studies are also extensively used in business and management research, education research, and political sciences, among many others. They provide an opportunity to delve into the intricacies of real-world situations, allowing for a comprehensive understanding of various phenomena.

Case studies, with their depth and contextual focus, offer unique insights across these varied fields. They allow researchers to illuminate the complexities of real-life situations, contributing to both theory and practice.

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Understanding the key elements of case study design is crucial for conducting rigorous and impactful case study research. A well-structured design guides the researcher through the process, ensuring that the study is methodologically sound and its findings are reliable and valid. The main elements of case study design include the research question , propositions, units of analysis, and the logic linking the data to the propositions.

The research question is the foundation of any research study. A good research question guides the direction of the study and informs the selection of the case, the methods of collecting data, and the analysis techniques. A well-formulated research question in case study research is typically clear, focused, and complex enough to merit further detailed examination of the relevant case(s).

Propositions

Propositions, though not necessary in every case study, provide a direction by stating what we might expect to find in the data collected. They guide how data is collected and analyzed by helping researchers focus on specific aspects of the case. They are particularly important in explanatory case studies, which seek to understand the relationships among concepts within the studied phenomenon.

Units of analysis

The unit of analysis refers to the case, or the main entity or entities that are being analyzed in the study. In case study research, the unit of analysis can be an individual, a group, an organization, a decision, an event, or even a time period. It's crucial to clearly define the unit of analysis, as it shapes the qualitative data analysis process by allowing the researcher to analyze a particular case and synthesize analysis across multiple case studies to draw conclusions.

Argumentation

This refers to the inferential model that allows researchers to draw conclusions from the data. The researcher needs to ensure that there is a clear link between the data, the propositions (if any), and the conclusions drawn. This argumentation is what enables the researcher to make valid and credible inferences about the phenomenon under study.

Understanding and carefully considering these elements in the design phase of a case study can significantly enhance the quality of the research. It can help ensure that the study is methodologically sound and its findings contribute meaningful insights about the case.

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Conducting a case study involves several steps, from defining the research question and selecting the case to collecting and analyzing data . This section outlines these key stages, providing a practical guide on how to conduct case study research.

Defining the research question

The first step in case study research is defining a clear, focused research question. This question should guide the entire research process, from case selection to analysis. It's crucial to ensure that the research question is suitable for a case study approach. Typically, such questions are exploratory or descriptive in nature and focus on understanding a phenomenon within its real-life context.

Selecting and defining the case

The selection of the case should be based on the research question and the objectives of the study. It involves choosing a unique example or a set of examples that provide rich, in-depth data about the phenomenon under investigation. After selecting the case, it's crucial to define it clearly, setting the boundaries of the case, including the time period and the specific context.

Previous research can help guide the case study design. When considering a case study, an example of a case could be taken from previous case study research and used to define cases in a new research inquiry. Considering recently published examples can help understand how to select and define cases effectively.

Developing a detailed case study protocol

A case study protocol outlines the procedures and general rules to be followed during the case study. This includes the data collection methods to be used, the sources of data, and the procedures for analysis. Having a detailed case study protocol ensures consistency and reliability in the study.

The protocol should also consider how to work with the people involved in the research context to grant the research team access to collecting data. As mentioned in previous sections of this guide, establishing rapport is an essential component of qualitative research as it shapes the overall potential for collecting and analyzing data.

Collecting data

Gathering data in case study research often involves multiple sources of evidence, including documents, archival records, interviews, observations, and physical artifacts. This allows for a comprehensive understanding of the case. The process for gathering data should be systematic and carefully documented to ensure the reliability and validity of the study.

Analyzing and interpreting data

The next step is analyzing the data. This involves organizing the data , categorizing it into themes or patterns , and interpreting these patterns to answer the research question. The analysis might also involve comparing the findings with prior research or theoretical propositions.

Writing the case study report

The final step is writing the case study report . This should provide a detailed description of the case, the data, the analysis process, and the findings. The report should be clear, organized, and carefully written to ensure that the reader can understand the case and the conclusions drawn from it.

Each of these steps is crucial in ensuring that the case study research is rigorous, reliable, and provides valuable insights about the case.

The type, depth, and quality of data in your study can significantly influence the validity and utility of the study. In case study research, data is usually collected from multiple sources to provide a comprehensive and nuanced understanding of the case. This section will outline the various methods of collecting data used in case study research and discuss considerations for ensuring the quality of the data.

Interviews are a common method of gathering data in case study research. They can provide rich, in-depth data about the perspectives, experiences, and interpretations of the individuals involved in the case. Interviews can be structured , semi-structured , or unstructured , depending on the research question and the degree of flexibility needed.

Observations

Observations involve the researcher observing the case in its natural setting, providing first-hand information about the case and its context. Observations can provide data that might not be revealed in interviews or documents, such as non-verbal cues or contextual information.

Documents and artifacts

Documents and archival records provide a valuable source of data in case study research. They can include reports, letters, memos, meeting minutes, email correspondence, and various public and private documents related to the case.

These records can provide historical context, corroborate evidence from other sources, and offer insights into the case that might not be apparent from interviews or observations.

Physical artifacts refer to any physical evidence related to the case, such as tools, products, or physical environments. These artifacts can provide tangible insights into the case, complementing the data gathered from other sources.

Ensuring the quality of data collection

Determining the quality of data in case study research requires careful planning and execution. It's crucial to ensure that the data is reliable, accurate, and relevant to the research question. This involves selecting appropriate methods of collecting data, properly training interviewers or observers, and systematically recording and storing the data. It also includes considering ethical issues related to collecting and handling data, such as obtaining informed consent and ensuring the privacy and confidentiality of the participants.

Data analysis

Analyzing case study research involves making sense of the rich, detailed data to answer the research question. This process can be challenging due to the volume and complexity of case study data. However, a systematic and rigorous approach to analysis can ensure that the findings are credible and meaningful. This section outlines the main steps and considerations in analyzing data in case study research.

Organizing the data

The first step in the analysis is organizing the data. This involves sorting the data into manageable sections, often according to the data source or the theme. This step can also involve transcribing interviews, digitizing physical artifacts, or organizing observational data.

Categorizing and coding the data

Once the data is organized, the next step is to categorize or code the data. This involves identifying common themes, patterns, or concepts in the data and assigning codes to relevant data segments. Coding can be done manually or with the help of software tools, and in either case, qualitative analysis software can greatly facilitate the entire coding process. Coding helps to reduce the data to a set of themes or categories that can be more easily analyzed.

Identifying patterns and themes

After coding the data, the researcher looks for patterns or themes in the coded data. This involves comparing and contrasting the codes and looking for relationships or patterns among them. The identified patterns and themes should help answer the research question.

Interpreting the data

Once patterns and themes have been identified, the next step is to interpret these findings. This involves explaining what the patterns or themes mean in the context of the research question and the case. This interpretation should be grounded in the data, but it can also involve drawing on theoretical concepts or prior research.

Verification of the data

The last step in the analysis is verification. This involves checking the accuracy and consistency of the analysis process and confirming that the findings are supported by the data. This can involve re-checking the original data, checking the consistency of codes, or seeking feedback from research participants or peers.

Like any research method , case study research has its strengths and limitations. Researchers must be aware of these, as they can influence the design, conduct, and interpretation of the study.

Understanding the strengths and limitations of case study research can also guide researchers in deciding whether this approach is suitable for their research question . This section outlines some of the key strengths and limitations of case study research.

Benefits include the following:

• Rich, detailed data: One of the main strengths of case study research is that it can generate rich, detailed data about the case. This can provide a deep understanding of the case and its context, which can be valuable in exploring complex phenomena.
• Flexibility: Case study research is flexible in terms of design , data collection , and analysis . A sufficient degree of flexibility allows the researcher to adapt the study according to the case and the emerging findings.
• Real-world context: Case study research involves studying the case in its real-world context, which can provide valuable insights into the interplay between the case and its context.
• Multiple sources of evidence: Case study research often involves collecting data from multiple sources , which can enhance the robustness and validity of the findings.

On the other hand, researchers should consider the following limitations:

• Generalizability: A common criticism of case study research is that its findings might not be generalizable to other cases due to the specificity and uniqueness of each case.
• Time and resource intensive: Case study research can be time and resource intensive due to the depth of the investigation and the amount of collected data.
• Complexity of analysis: The rich, detailed data generated in case study research can make analyzing the data challenging.
• Subjectivity: Given the nature of case study research, there may be a higher degree of subjectivity in interpreting the data , so researchers need to reflect on this and transparently convey to audiences how the research was conducted.

Being aware of these strengths and limitations can help researchers design and conduct case study research effectively and interpret and report the findings appropriately.

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• Knowledge Base

Methodology

• What Is a Case Study? | Definition, Examples & Methods

What Is a Case Study? | Definition, Examples & Methods

Published on May 8, 2019 by Shona McCombes . Revised on November 20, 2023.

A case study is a detailed study of a specific subject, such as a person, group, place, event, organization, or phenomenon. Case studies are commonly used in social, educational, clinical, and business research.

A case study research design usually involves qualitative methods , but quantitative methods are sometimes also used. Case studies are good for describing , comparing, evaluating and understanding different aspects of a research problem .

Table of contents

When to do a case study, step 1: select a case, step 2: build a theoretical framework, step 3: collect your data, step 4: describe and analyze the case, other interesting articles.

A case study is an appropriate research design when you want to gain concrete, contextual, in-depth knowledge about a specific real-world subject. It allows you to explore the key characteristics, meanings, and implications of the case.

Case studies are often a good choice in a thesis or dissertation . They keep your project focused and manageable when you don’t have the time or resources to do large-scale research.

You might use just one complex case study where you explore a single subject in depth, or conduct multiple case studies to compare and illuminate different aspects of your research problem.

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Once you have developed your problem statement and research questions , you should be ready to choose the specific case that you want to focus on. A good case study should have the potential to:

• Provide new or unexpected insights into the subject
• Challenge or complicate existing assumptions and theories
• Propose practical courses of action to resolve a problem
• Open up new directions for future research

TipIf your research is more practical in nature and aims to simultaneously investigate an issue as you solve it, consider conducting action research instead.

Unlike quantitative or experimental research , a strong case study does not require a random or representative sample. In fact, case studies often deliberately focus on unusual, neglected, or outlying cases which may shed new light on the research problem.

Example of an outlying case studyIn the 1960s the town of Roseto, Pennsylvania was discovered to have extremely low rates of heart disease compared to the US average. It became an important case study for understanding previously neglected causes of heart disease.

However, you can also choose a more common or representative case to exemplify a particular category, experience or phenomenon.

Example of a representative case studyIn the 1920s, two sociologists used Muncie, Indiana as a case study of a typical American city that supposedly exemplified the changing culture of the US at the time.

While case studies focus more on concrete details than general theories, they should usually have some connection with theory in the field. This way the case study is not just an isolated description, but is integrated into existing knowledge about the topic. It might aim to:

• Exemplify a theory by showing how it explains the case under investigation
• Expand on a theory by uncovering new concepts and ideas that need to be incorporated
• Challenge a theory by exploring an outlier case that doesn’t fit with established assumptions

To ensure that your analysis of the case has a solid academic grounding, you should conduct a literature review of sources related to the topic and develop a theoretical framework . This means identifying key concepts and theories to guide your analysis and interpretation.

There are many different research methods you can use to collect data on your subject. Case studies tend to focus on qualitative data using methods such as interviews , observations , and analysis of primary and secondary sources (e.g., newspaper articles, photographs, official records). Sometimes a case study will also collect quantitative data.

Example of a mixed methods case studyFor a case study of a wind farm development in a rural area, you could collect quantitative data on employment rates and business revenue, collect qualitative data on local people’s perceptions and experiences, and analyze local and national media coverage of the development.

The aim is to gain as thorough an understanding as possible of the case and its context.

In writing up the case study, you need to bring together all the relevant aspects to give as complete a picture as possible of the subject.

How you report your findings depends on the type of research you are doing. Some case studies are structured like a standard scientific paper or thesis , with separate sections or chapters for the methods , results and discussion .

Others are written in a more narrative style, aiming to explore the case from various angles and analyze its meanings and implications (for example, by using textual analysis or discourse analysis ).

In all cases, though, make sure to give contextual details about the case, connect it back to the literature and theory, and discuss how it fits into wider patterns or debates.

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.

• Normal distribution
• Degrees of freedom
• Null hypothesis
• Discourse analysis
• Control groups
• Mixed methods research
• Non-probability sampling
• Quantitative research
• Ecological validity

Research bias

• Rosenthal effect
• Implicit bias
• Cognitive bias
• Selection bias
• Negativity bias
• Status quo bias

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10 Case Study Examples to Inspire Your Marketing Efforts

Sudarshan Somanathan

Head of Content

June 20, 2024

When your prospects are nearing a decision in their buyer’s journey, a strong case study can sway them your way. After all, everyone, even corporate decision-makers, loves a good story.

That’s why having satisfied customers showcase your strengths is more impactful than any self-promotion. It boosts credibility and earns you valuable recognition when potential customers come across these case studies.

No matter what you offer, case studies work because they build trust. They showcase real-life success stories , their detailed analysis proving your expertise and the quality of your products or services. 

That’s why they’re crucial for organizational growth.

Intrigued? Read on to explore the different types of case studies, their practical applications, and some marketing case study examples. 

By the end of this blog post, you will also have learned how to write a case study using a case study template. ✍️

Understanding Case Studies 

1. illustrative case studies, 2. exploratory case studies, 3. descriptive case studies, 4. cumulative case studies, 5. critical instance case studies, 6. instrumental case studies, 1. lucanet and hubspot, 2. cartoon network and clickup , 3. callingly and zapier , 4. philips and github , 5. google ads and samsung, 6. movingwaldo and mailchimp, 7. shutterstock and workday, 8. pidilite and salesforce , 9. sentinelone and storylane , 10. benchling and airtable , stage 1: research and preparation, stage 2: producing the case study, use the clickup case study template.

A case study is a detailed study of how your product or service has helped past customers. 

It acts as a track record of your company’s association with past customers and an insight into how they benefitted from your product offerings.

You can think of case studies as story-telling based on real-world data and results. 

Potential customers trust them because of their attention to detail in describing exactly how you delivered results for past customers. And if the past customer is someone they know or identify with, acquiring their trust is far easier.

According to the Content Marketing Institute, 73% of marketers use case studies , as they are proven tactics to drive sales. 

These studies are tailored to various industries, from business and marketing to psychology, technology, and healthcare. 

Creating compelling business case studies requires precision and clarity, like drafting a professional document. That’s where creative brief templates come in handy. They provide a structured framework to outline key details and create case study examples that resonate with your target audience.

Types of Case Studies 

Knowing the distinct kinds of case studies will help you use the best combination to influence your potential customers. We’ll also cover a few case study examples later on so you can see the different ways in which you or your marketing team can create your own case studies.

While one type of case study may help customers solve a business problem through a product/solution, others may be more suited for studying a specific event or business phenomenon. 

Let’s explore the commonly used types and case study examples.

Illustrative case studies describe a particular situation, phenomenon, or event. They use two or more instances to show just what a situation is like . The aim is to provide context, make the unfamiliar more accessible, and provide a real-world context for abstract concepts or theories.

For instance, SaaS case study examples highlight how a software solution significantly improved a client’s sales and efficiency.

Lids, a leading sports apparel retailer, has experienced rapid growth in recent years. To manage this growth effectively, Lids implemented ClickUp , a project management platform, to expedite workflows, save time, streamline administration, and improve results.

With ClickUp, our teams are more collaborative, efficient and we’re all more on-top of our work. It has made the way we work so much better.

The case study demonstrates how integrating a robust project management platform like ClickUp can streamline operations, enhance efficiency, and support substantial organizational growth.

Exploratory case studies are conducted before a large-scale investigation to help pinpoint research questions and methods for a more extensive study. 

These are often used when there is limited prior knowledge or existing theories about the subject. They are more frequently employed in social science disciplines.

For example, a research case study investigates the link between mental health disorders and social media usage in younger populations.

Researchers conducted a systematic review focusing on the impact of social media use on mental health . The study aimed to provide insights for future mental health strategies by analyzing the relationship between social media use and mental health outcomes. 

Utilizing research plan templates can help structure such investigations, ensuring an in-depth analysis and data collection and analysis efficiency.

A descriptive case study starts with a descriptive theory as a foundation. It then attempts to find connections between the subject of discussion and the theory. These case studies rely on detailed qualitative data analysis to develop an argument.

Let’s consider a descriptive case study example on the usage of technology in classrooms focused on an elementary school in a suburban district during the 2011-2012 academic year.

This compelling case study highlights the importance of detailed, qualitative data in developing its argument.

A cumulative case study collects information from various sources to summarize past studies without increasing costs or time. It aims to aggregate data from multiple sources to draw broader conclusions.

For example, a case study on the impact of climate change on the Indian coastline aggregates data from various sources to provide a comprehensive summary of past research. 

It highlights that climate change and climate variability pose significant challenges to this ecosystem.

Critical instance case studies focus on a unique or critical event to learn more about its causes and consequences. They are often used to investigate rare or significant events.

For instance, Blackboard utilized Amazon EC2 Spot Instances to scale its virtual classroom solution amidst the COVID-19 pandemic. 

This case study demonstrates how Blackboard effectively managed a staggering 4,800% surge in video conferencing usage while optimizing costs and enhancing performance.

Instrumental case studies use a specific case to generate insights into a broader issue or to refine a theoretical explanation. They are more frequently used to explore complex concepts or theories.

The story of Accenture’s Global SAP System serves as an instrumental case study example. 

It uses Accenture’s journey to create a unified SAP system to generate strategic insights into broader issues related to aligning business and IT strategies, standardizing business processes, and establishing global governance structures.

10 Case Study Examples for Different Use Cases 

Exploring a variety of case study examples can help you understand the nuances of their formatting, data presentation, and brand positioning. Here are ten case study examples to inspire you.

LucaNet is an international finance company that provides performance management solutions. With a global customer base, it wanted to opt for automated, personalized marketing in addition to handling complex lead management. 

HubSpot helped LucaNet automate its global marketing operations and bring all customer data into a centralized hub.

What do we like best about this case study presentation? HubSpot immediately showcases its key achievements at the top and provides compelling data on time savings, lead generation, and increase in MQLs.

✔️Takeaway : Highlight your measurable impact to showcase your ability to deliver tangible outcomes.

Cartoon Network’s social media team struggled with managing complicated workflows across different project management tools. 

ClickUp provided them with a unified platform to execute their social media management needs and ensure all team members are on the same page.

ClickUp’s case study of Cartoon Network is a good example of the appropriate use of supporting visuals. Rather than simply stating that ClickUp’s flexible views improved Cartoon Network’s project management, it demonstrates them in practical use.

✔️Takeaway : Create separate sections highlighting your client’s problem and the benefits offered by your solution in bullet points. The usage of supporting visuals is a major plus.

Callingly noticed that Zapier customers tend to get more value from their platform. To capitalize on this, they wanted to educate their customers on how to use Zapier effectively. 

Callingly embedded Zapier into its app, allowing customers to discover, create, and edit Zaps directly within the platform. This integration aims to give customers more control over their workflows and automate tasks seamlessly.

The integration makes it easier for customers to discover and use Zapier, reducing the need for customers to switch between platforms or manually set up Zaps.

This makes for one of the brilliant business case study examples, thoughtfully capturing how the company helped Callingly through compelling video demonstrations.

Their ‘why’ and ‘how’ sections are particularly impressive.

✔️Takeaway : Use impactful videos to engage users and educate customers on how your product works and help clients achieve impressive results.

GitHub’s case study of Philips concisely lists the customer’s problems, solutions, and products right on top for readers prone to TL; DR. It introduces the customer before presenting figures on how collaborating with GitHub helps Philips centralize their codebase. 

You’ll also find excerpts from conversations with several Philips employees, including the principal engineer and the program director, who elaborate on their need for software and how GitHub assisted. 

This case study example isn’t limited to products and solutions—it’s about listening to customers and providing real-world value.

✔️Takeaway : Having a well-written case study summary helps. Real conversations with customers and end-users can add interesting detail and value to otherwise serious (and sometimes boring) textual documents.

Google’s case study of Samsung is well-documented. It elaborately covers how Samsung utilized Performance Max, a goal-based campaign that lets advertisers access their advertising campaign across all of Google’s products from a single interface. 

What we like about the case study example is how it is a potential guide for newer businesses to experiment with Performance Max for their own ad campaigns.  

As with all of Google’s UI, the case study is minimalistic and straightforward. Yet, it leaves you wanting to experiment and try things out yourself.

✔️Takeaway : A good case study and a how-to guide don’t always need to be different. Great case studies don’t just make a point; they compel readers to take action and see the results for themselves.

Mailchimp’s case study is a detailed report on how MovingWaldo leveraged features like email and marketing automation, segmentation, A/B testing, and email marketing. It addresses the ‘how’, ‘why’, and ‘when.’ 

The case study page provides specific dates detailing when MovingWaldo implemented solutions and began observing their impact. They have also posted a short video describing the process, which breaks the monotony of reading long documents. 

Another highlight is a brief section detailing the future course of action, conveying that the journey of success is ongoing with additional feature enhancements. The case study transcends from being an account of the past to offering insights for the future.

✔️Takeaway : Specificity, such as adding exact dates, helps strengthen your case studies. Video and other multimedia content can take it up a notch.

Workday offers glimpses of its case studies, letting you choose between reading the story or watching the video. 

The case study begins with a powerful quote from the customer that demonstrates the impact of the solution. It then provides a brief description of the success metrics and highlights the core impact of the integration. 

It addresses Shutterstock’s pain points, such as diverse data sources, team members, and workflows, and showcases Workday’s effectiveness in countering those. 

While Workday keeps the case study short, it includes all the key details to educate the customer about the implementation. This is a great example of crafting a brief yet powerful case study.

✔️Takeaway : Short case studies are effective when well written because they pack a punch and tell a compelling story. Utilizing relevant quotes is also helpful.

 In this case study example, Salesforce brings out its value with the opening lines. It then lists each point of impact created by the software integration and explains its process. 

One of the best things about this case study is its organization (value summarized upfront) and thorough explanation of Pidilite’s challenges and how they were solved. 

They also feature a ‘what next’ section detailing the next steps Pidilite plans to take in its collaboration with Salesforce, implying that they continue providing value to the customer. 

✔️Takeaway : End your case study with a brief overview of your future collaboration plans with your customer. This tells your readers that the collaboration is ongoing and that you aim to keep improving your services to add value.

This case study example is an excellent showcase of customer success. What stands out is the use of a tabular format to list different use cases of Storylane’s software and provide a before-and-after for each use case. 

The table works well to summarize key achievements in a way that’s easy on the eye. The ‘Before’ column details the company’s pain points, and the ‘After’ column highlights the results that were brought about once Storylane entered the picture.

✔️Takeaway : Using ‘before’ and ‘after’ succinctly in your case studies helps drive impact and make your case studies stand out.

We liked this case study example because it simply explains how Airtable assists Benchling in prioritizing collaboration and addressing customer needs. 

It explains the functioning of the biology-first platform in a way that helps even non-technical readers understand the context. 

The case study ends with an insight into Airtable and Benchling’s future collaboration plans, indicating that more is to come in the years ahead. 

✔️Takeaway : Write a case study using simple language so customers can easily understand the product and software integration.

How to Create Your Own Case Study

We hope these case study examples have inspired you to portray your success over the years with some fantastic case studies.

While you may have ideas, feeling stuck with the marketing planning process is natural. 

Here’s how you can create your own case study in six easy steps. We’ll divide the process into two stages, research and prep, and production.

• Choose the customer: First, choose a customer willing to share their story and provide a testimonial and results. It’s important to choose a customer who has experienced significant benefits from your product or service since this will make your case study more compelling

Pro Tip: Not sure how to write an effective outreach email to enlist customer support for your case study program? Take help from ClickUp Brain’ s AI Writer to write persuasive copy. Moreover, you can email your customers directly from ClickUp!

• Outline the customer’s journey: Detail the customer’s journey from start to finish, including their actions before, during, and after using your services

Pro Tip: Storyboard your case study with your team using collaborative ClickUp Whiteboards . Once you’re happy with the outcome, create a ClickUp Task directly from the whiteboard. Assign it to the relevant owners, add tags for easy filtering, and use ClickUp Brain to generate sub-tasks and a brief task description automatically.

• Collect data: Gather quantitative and qualitative data on the company’s performance after using your services. This could include metrics like increased sales, improved efficiency, or higher customer satisfaction
• Draft the case study: Begin writing the case study by introducing the company and providing background information. Next, discuss the challenges they faced before using your product or service. Then, detail the solution you provided and how it was implemented. Finally, showcase the results and benefits the customer experienced after using your product or service, using the data you collected to support these points

Pro Tip: Brainstorm possible case study formats and outlines with ClickUp Brain, your creative partner in this endeavor.

• Get approval from the customer: Once you’ve drafted the case study, share it with the customer for their feedback and approval. This ensures that all the information is accurate and that the customer is comfortable with how their story is presented. It also provides an opportunity to make any necessary revisions

Pro Tip: Create a shareable case study in ClickUp Docs and share it with your customer in a single click for approval

• Publish and promote: After obtaining the customer’s approval, publish the case study on your website, blog, or other relevant platforms. Promote it through various channels such as social media, email newsletters, and sales presentations

Pro Tip: When your case study is ready to be distributed, add the relevant owners for social media and email distribution by simply mentioning them in a task comment

Instead of the process we just outlined, you can also use ClickUp’s free case study templates to plan, structure, and execute your case studies to maximize the efficiency of your content marketing efforts.

With ClickUp’s Case Study Template , you can: 

• Gather data from distinct sources to analyze it and identify key takeaways
• Craft compelling stories using an organized template to drive real impact 
• Collect ideas and note testimonials from clients to showcase real-life results
• Create a visual journey of the customer’s software integration steps
• Monitor and analyze the case study’s engagement
• Collaborate with marketing team members to create the case study together

ClickUp helps marketing teams optimize the entire process of writing a case study, from collecting data to finally sending customers an email for approval.

Craft Effective Case Studies with ClickUp 

Case studies are an excellent way to build trust with prospective clients and provide evidence for your claims. They exemplify how your products and services have aided others in reaching their business and marketing goals . Studying popular case study examples can help you ideate and find the perfect format for your own customer stories.

Collaborative work management platforms like ClickUp can help you plan and execute your case study project with ease. Draft customer success case studies showcasing results effectively using ClickUp’s Case Study Template. It not only provides you with a rough layout but also improves team collaboration, helps maintain consistency with the format, collects data, and much more.

Use the integrated AI assistant, ClickUp Brain, to generate outlines, write catchy copy, and brainstorm ideas. Put your case story together, along with the relevant links, images, and rich formatting, in ClickUp Docs and share it with stakeholders for input and approval.

Sign up for ClickUp today to create the most impactful marketing case studies to attain your marketing goals.

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Home » Case Study – Methods, Examples and Guide

Case Study – Methods, Examples and Guide

Table of Contents

A case study is a research method that involves an in-depth examination and analysis of a particular phenomenon or case, such as an individual, organization, community, event, or situation.

It is a qualitative research approach that aims to provide a detailed and comprehensive understanding of the case being studied. Case studies typically involve multiple sources of data, including interviews, observations, documents, and artifacts, which are analyzed using various techniques, such as content analysis, thematic analysis, and grounded theory. The findings of a case study are often used to develop theories, inform policy or practice, or generate new research questions.

Types of Case Study

Types and Methods of Case Study are as follows:

Single-Case Study

A single-case study is an in-depth analysis of a single case. This type of case study is useful when the researcher wants to understand a specific phenomenon in detail.

For Example , A researcher might conduct a single-case study on a particular individual to understand their experiences with a particular health condition or a specific organization to explore their management practices. The researcher collects data from multiple sources, such as interviews, observations, and documents, and uses various techniques to analyze the data, such as content analysis or thematic analysis. The findings of a single-case study are often used to generate new research questions, develop theories, or inform policy or practice.

Multiple-Case Study

A multiple-case study involves the analysis of several cases that are similar in nature. This type of case study is useful when the researcher wants to identify similarities and differences between the cases.

For Example, a researcher might conduct a multiple-case study on several companies to explore the factors that contribute to their success or failure. The researcher collects data from each case, compares and contrasts the findings, and uses various techniques to analyze the data, such as comparative analysis or pattern-matching. The findings of a multiple-case study can be used to develop theories, inform policy or practice, or generate new research questions.

Exploratory Case Study

An exploratory case study is used to explore a new or understudied phenomenon. This type of case study is useful when the researcher wants to generate hypotheses or theories about the phenomenon.

For Example, a researcher might conduct an exploratory case study on a new technology to understand its potential impact on society. The researcher collects data from multiple sources, such as interviews, observations, and documents, and uses various techniques to analyze the data, such as grounded theory or content analysis. The findings of an exploratory case study can be used to generate new research questions, develop theories, or inform policy or practice.

Descriptive Case Study

A descriptive case study is used to describe a particular phenomenon in detail. This type of case study is useful when the researcher wants to provide a comprehensive account of the phenomenon.

For Example, a researcher might conduct a descriptive case study on a particular community to understand its social and economic characteristics. The researcher collects data from multiple sources, such as interviews, observations, and documents, and uses various techniques to analyze the data, such as content analysis or thematic analysis. The findings of a descriptive case study can be used to inform policy or practice or generate new research questions.

Instrumental Case Study

An instrumental case study is used to understand a particular phenomenon that is instrumental in achieving a particular goal. This type of case study is useful when the researcher wants to understand the role of the phenomenon in achieving the goal.

For Example, a researcher might conduct an instrumental case study on a particular policy to understand its impact on achieving a particular goal, such as reducing poverty. The researcher collects data from multiple sources, such as interviews, observations, and documents, and uses various techniques to analyze the data, such as content analysis or thematic analysis. The findings of an instrumental case study can be used to inform policy or practice or generate new research questions.

Case Study Data Collection Methods

Here are some common data collection methods for case studies:

Interviews involve asking questions to individuals who have knowledge or experience relevant to the case study. Interviews can be structured (where the same questions are asked to all participants) or unstructured (where the interviewer follows up on the responses with further questions). Interviews can be conducted in person, over the phone, or through video conferencing.

Observations

Observations involve watching and recording the behavior and activities of individuals or groups relevant to the case study. Observations can be participant (where the researcher actively participates in the activities) or non-participant (where the researcher observes from a distance). Observations can be recorded using notes, audio or video recordings, or photographs.

Documents can be used as a source of information for case studies. Documents can include reports, memos, emails, letters, and other written materials related to the case study. Documents can be collected from the case study participants or from public sources.

Surveys involve asking a set of questions to a sample of individuals relevant to the case study. Surveys can be administered in person, over the phone, through mail or email, or online. Surveys can be used to gather information on attitudes, opinions, or behaviors related to the case study.

Artifacts are physical objects relevant to the case study. Artifacts can include tools, equipment, products, or other objects that provide insights into the case study phenomenon.

How to conduct Case Study Research

Conducting a case study research involves several steps that need to be followed to ensure the quality and rigor of the study. Here are the steps to conduct case study research:

• Define the research questions: The first step in conducting a case study research is to define the research questions. The research questions should be specific, measurable, and relevant to the case study phenomenon under investigation.
• Select the case: The next step is to select the case or cases to be studied. The case should be relevant to the research questions and should provide rich and diverse data that can be used to answer the research questions.
• Collect data: Data can be collected using various methods, such as interviews, observations, documents, surveys, and artifacts. The data collection method should be selected based on the research questions and the nature of the case study phenomenon.
• Analyze the data: The data collected from the case study should be analyzed using various techniques, such as content analysis, thematic analysis, or grounded theory. The analysis should be guided by the research questions and should aim to provide insights and conclusions relevant to the research questions.
• Draw conclusions: The conclusions drawn from the case study should be based on the data analysis and should be relevant to the research questions. The conclusions should be supported by evidence and should be clearly stated.
• Validate the findings: The findings of the case study should be validated by reviewing the data and the analysis with participants or other experts in the field. This helps to ensure the validity and reliability of the findings.
• Write the report: The final step is to write the report of the case study research. The report should provide a clear description of the case study phenomenon, the research questions, the data collection methods, the data analysis, the findings, and the conclusions. The report should be written in a clear and concise manner and should follow the guidelines for academic writing.

Examples of Case Study

Here are some examples of case study research:

• The Hawthorne Studies : Conducted between 1924 and 1932, the Hawthorne Studies were a series of case studies conducted by Elton Mayo and his colleagues to examine the impact of work environment on employee productivity. The studies were conducted at the Hawthorne Works plant of the Western Electric Company in Chicago and included interviews, observations, and experiments.
• The Stanford Prison Experiment: Conducted in 1971, the Stanford Prison Experiment was a case study conducted by Philip Zimbardo to examine the psychological effects of power and authority. The study involved simulating a prison environment and assigning participants to the role of guards or prisoners. The study was controversial due to the ethical issues it raised.
• The Challenger Disaster: The Challenger Disaster was a case study conducted to examine the causes of the Space Shuttle Challenger explosion in 1986. The study included interviews, observations, and analysis of data to identify the technical, organizational, and cultural factors that contributed to the disaster.
• The Enron Scandal: The Enron Scandal was a case study conducted to examine the causes of the Enron Corporation’s bankruptcy in 2001. The study included interviews, analysis of financial data, and review of documents to identify the accounting practices, corporate culture, and ethical issues that led to the company’s downfall.
• The Fukushima Nuclear Disaster : The Fukushima Nuclear Disaster was a case study conducted to examine the causes of the nuclear accident that occurred at the Fukushima Daiichi Nuclear Power Plant in Japan in 2011. The study included interviews, analysis of data, and review of documents to identify the technical, organizational, and cultural factors that contributed to the disaster.

Application of Case Study

Case studies have a wide range of applications across various fields and industries. Here are some examples:

Business and Management

Case studies are widely used in business and management to examine real-life situations and develop problem-solving skills. Case studies can help students and professionals to develop a deep understanding of business concepts, theories, and best practices.

Case studies are used in healthcare to examine patient care, treatment options, and outcomes. Case studies can help healthcare professionals to develop critical thinking skills, diagnose complex medical conditions, and develop effective treatment plans.

Case studies are used in education to examine teaching and learning practices. Case studies can help educators to develop effective teaching strategies, evaluate student progress, and identify areas for improvement.

Social Sciences

Case studies are widely used in social sciences to examine human behavior, social phenomena, and cultural practices. Case studies can help researchers to develop theories, test hypotheses, and gain insights into complex social issues.

Law and Ethics

Case studies are used in law and ethics to examine legal and ethical dilemmas. Case studies can help lawyers, policymakers, and ethical professionals to develop critical thinking skills, analyze complex cases, and make informed decisions.

Purpose of Case Study

The purpose of a case study is to provide a detailed analysis of a specific phenomenon, issue, or problem in its real-life context. A case study is a qualitative research method that involves the in-depth exploration and analysis of a particular case, which can be an individual, group, organization, event, or community.

The primary purpose of a case study is to generate a comprehensive and nuanced understanding of the case, including its history, context, and dynamics. Case studies can help researchers to identify and examine the underlying factors, processes, and mechanisms that contribute to the case and its outcomes. This can help to develop a more accurate and detailed understanding of the case, which can inform future research, practice, or policy.

Case studies can also serve other purposes, including:

• Illustrating a theory or concept: Case studies can be used to illustrate and explain theoretical concepts and frameworks, providing concrete examples of how they can be applied in real-life situations.
• Developing hypotheses: Case studies can help to generate hypotheses about the causal relationships between different factors and outcomes, which can be tested through further research.
• Providing insight into complex issues: Case studies can provide insights into complex and multifaceted issues, which may be difficult to understand through other research methods.
• Informing practice or policy: Case studies can be used to inform practice or policy by identifying best practices, lessons learned, or areas for improvement.

Advantages of Case Study Research

There are several advantages of case study research, including:

• In-depth exploration: Case study research allows for a detailed exploration and analysis of a specific phenomenon, issue, or problem in its real-life context. This can provide a comprehensive understanding of the case and its dynamics, which may not be possible through other research methods.
• Rich data: Case study research can generate rich and detailed data, including qualitative data such as interviews, observations, and documents. This can provide a nuanced understanding of the case and its complexity.
• Holistic perspective: Case study research allows for a holistic perspective of the case, taking into account the various factors, processes, and mechanisms that contribute to the case and its outcomes. This can help to develop a more accurate and comprehensive understanding of the case.
• Theory development: Case study research can help to develop and refine theories and concepts by providing empirical evidence and concrete examples of how they can be applied in real-life situations.
• Practical application: Case study research can inform practice or policy by identifying best practices, lessons learned, or areas for improvement.
• Contextualization: Case study research takes into account the specific context in which the case is situated, which can help to understand how the case is influenced by the social, cultural, and historical factors of its environment.

Limitations of Case Study Research

There are several limitations of case study research, including:

• Limited generalizability : Case studies are typically focused on a single case or a small number of cases, which limits the generalizability of the findings. The unique characteristics of the case may not be applicable to other contexts or populations, which may limit the external validity of the research.
• Biased sampling: Case studies may rely on purposive or convenience sampling, which can introduce bias into the sample selection process. This may limit the representativeness of the sample and the generalizability of the findings.
• Subjectivity: Case studies rely on the interpretation of the researcher, which can introduce subjectivity into the analysis. The researcher’s own biases, assumptions, and perspectives may influence the findings, which may limit the objectivity of the research.
• Limited control: Case studies are typically conducted in naturalistic settings, which limits the control that the researcher has over the environment and the variables being studied. This may limit the ability to establish causal relationships between variables.
• Time-consuming: Case studies can be time-consuming to conduct, as they typically involve a detailed exploration and analysis of a specific case. This may limit the feasibility of conducting multiple case studies or conducting case studies in a timely manner.
• Resource-intensive: Case studies may require significant resources, including time, funding, and expertise. This may limit the ability of researchers to conduct case studies in resource-constrained settings.

About the author

Muhammad Hassan

Researcher, Academic Writer, Web developer

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What Is a Case Study and Why You Should Use Them

Case studies can provide more insights into your business while helping you conduct further research with robust qualitative data analysis to learn more.

If you're in charge of running a company, then you're likely always looking for new ways to run your business more efficiently and increase your customer base while streamlining as many processes as possible.

Unfortunately, it can sometimes be difficult to determine how to go about implementing the proper program in order to be successful. This is why many business owners opt to conduct a case study, which can help significantly. Whether you've been struggling with brand consistency or some other problem, the right case study can identify why your problem exists as well as provide a way to rectify it.

A case study is a great tool that many businesses aren't even aware exists, and there are marketing experts like Mailchimp who can provide you with step-by-step assistance with implementing a plan with a case study. Many companies discover that not only do they need to start a blog in order to improve business, but they also need to create specific and relevant blog titles.

If your company already has a blog, then optimizing your blog posts may be helpful. Regardless of the obstacles that are preventing you from achieving all your professional goals, a case study can work wonders in helping you reverse this issue.

What is a case study?

A case study is a comprehensive report of the results of theory testing or examining emerging themes of a business in real life context. Case studies are also often used in the healthcare industry, conducting health services research with primary research interest around routinely collected healthcare data.

However, for businesses, the purpose of a case study is to help small business owners or company leaders identify the issues and conduct further research into what may be preventing success through information collection, client or customer interviews, and in-depth data analysis.

Knowing the case study definition is crucial for any business owner. By identifying the issues that are hindering a company from achieving all its goals, it's easier to make the necessary corrections to promote success through influenced data collection.

Why are case studies important?

Now that we've answered the questions, "what is a case study?" Why are case studies important? Some of the top reasons why case studies are important include:

• Understand complex issues: Even after you conduct a significant amount of market research , you might have a difficult time understanding exactly what it means. While you might have the basics down, conducting a case study can help you see how that information is applied. Then, when you see how the information can make a difference in business decisions, it could make it easier to understand complex issues.
• Collect data: A case study can also help with data tracking . A case study is a data collection method that can help you describe the information that you have available to you. Then, you can present that information in a way the reader can understand.
• Conduct evaluations: As you learn more about how to write a case study, remember that you can also use a case study to conduct evaluations of a specific situation. A case study is a great way to learn more about complex situations, and you can evaluate how various people responded in that situation. By conducting a case study evaluation, you can learn more about what has worked well, what has not, and what you might want to change in the future.
• Identify potential solutions: A case study can also help you identify solutions to potential problems. If you have an issue in your business that you are trying to solve, you may be able to take a look at a case study where someone has dealt with a similar situation in the past. For example, you may uncover data bias in a specific solution that you would like to address when you tackle the issue on your own. If you need help solving a difficult problem, a case study may be able to help you.

Remember that you can also use case studies to target your audience . If you want to show your audience that you have a significant level of expertise in a field, you may want to publish some case studies that you have handled in the past. Then, when your audience sees that you have had success in a specific area, they may be more likely to provide you with their business. In essence, case studies can be looked at as the original method of social proof, showcasing exactly how you can help someone solve their problems.

What are the benefits of writing a business case study?

Although writing a case study can seem like a tedious task, there are many benefits to conducting one through an in depth qualitative research process.

• Industry understanding: First of all, a case study can give you an in-depth understanding of your industry through a particular conceptual framework and help you identify hidden problems that are preventing you from transcending into the business world.
• Develop theories: If you decide to write a business case study, it provides you with an opportunity to develop new theories. You might have a theory about how to solve a specific problem, but you need to write a business case study to see exactly how that theory has unfolded in the past. Then, you can figure out if you want to apply your theory to a similar issue in the future.
• Evaluate interventions: When you write a business case study that focuses on a specific situation you have been through in the past, you can uncover whether that intervention was truly helpful. This can make it easier to figure out whether you want to use the same intervention in a similar situation in the future.
• Identify best practices: If you want to stay on top of the best practices in your field, conducting case studies can help by allowing you to identify patterns and trends and develop a new list of best practices that you can follow in the future.
• Versatility: Writing a case study also provides you with more versatility. If you want to expand your business applications, you need to figure out how you respond to various problems. When you run a business case study, you open the door to new opportunities, new applications, and new techniques that could help you make a difference in your business down the road.
• Solve problems: Writing a great case study can dramatically improve your chances of reversing your problem and improving your business.
• These are just a few of the biggest benefits you might experience if you decide to publish your case studies. They can be an effective tool for learning, showcasing your talents, and teaching some of your other employees. If you want to grow your audience , you may want to consider publishing some case studies.

What are the limitations of case studies?

Case studies can be a wonderful tool for any business of any size to use to gain an in-depth understanding of their clients, products, customers, or services, but there are limitations.

One limitation of case studies is the fact that, unless there are other recently published examples, there is nothing to compare them to since, most of the time, you are conducting a single, not multiple, case studies.

Another limitation is the fact that most case studies can lack scientific evidence.

Types of case studies

There are specific types of case studies to choose from, and each specific type will yield different results. Some case study types even overlap, which is sometimes more favorable, as they provide even more pertinent data.

Here are overviews of the different types of case studies, each with its own theoretical framework, so you can determine which type would be most effective for helping you meet your goals.

Explanatory case studies

Explanatory case studies are pretty straightforward, as they're not difficult to interpret. This type of case study is best if there aren't many variables involved because explanatory case studies can easily answer questions like "how" and "why" through theory development.

Exploratory case studies

An exploratory case study does exactly what its name implies: it goes into specific detail about the topic at hand in a natural, real-life context with qualitative research.

The benefits of exploratory case studies are limitless, with the main one being that it offers a great deal of flexibility. Having flexibility when writing a case study is important because you can't always predict what obstacles might arise during the qualitative research process.

Collective case studies

Collective case studies require you to study many different individuals in order to obtain usable data.

Case studies that involve an investigation of people will involve many different variables, all of which can't be predicted. Despite this fact, there are many benefits of collective case studies, including the fact that it allows an ongoing analysis of the data collected.

Intrinsic case studies

This type of study differs from the others as it focuses on the inquiry of one specific instance among many possibilities.

Many people prefer these types of case studies because it allows them to learn about the particular instance that they wish to investigate further.

Instrumental case studies

An instrumental case study is similar to an intrinsic one, as it focuses on a particular instance, whether it's a person, organization, or something different.

One thing that differentiates instrumental case studies from intrinsic ones is the fact that instrumental case studies aren't chosen merely because a person is interested in learning about a specific instance.

Tips for writing a case study

If you have decided to write case studies for your company, then you may be unsure of where to start or which type to conduct.

However, it doesn't have to be difficult or confusing to begin conducting a case study that will help you identify ways to improve your business.

Here are some helpful tips for writing your case studies:

1. Your case study must be written in the proper format

When writing a case study, the format that you should be similar to this:

Administrative summary

The executive summary is an overview of what your report will contain, written in a concise manner while providing real-life context.

Despite the fact that the executive summary should appear at the beginning of your case studies, it shouldn't be written until you've completed the entire report because if you write it before you finish the report, this summary may not be completely accurate.

Key problem statement

In this section of your case study, you will briefly describe the problem that you hope to solve by conducting the study. You will have the opportunity to elaborate on the problem that you're focusing on as you get into the breadth of the report.

Problem exploration

This part of the case study isn't as brief as the other two, and it goes into more detail about the problem at hand. Your problem exploration must include why the identified problem needs to be solved as well as the urgency of solving it.

Additionally, it must include justification for conducting the problem-solving, as the benefits must outweigh the efforts and costs.

Proposed resolution

This case study section will also be lengthier than the first two. It must include how you propose going about rectifying the problem. The "recommended solution" section must also include potential obstacles that you might experience, as well as how these will be managed.

Furthermore, you will need to list alternative solutions and explain the reason the chosen solution is best. Charts can enhance your report and make it easier to read, and provide as much proof to substantiate your claim as possible.

Overview of monetary consideration

An overview of monetary consideration is essential for all case studies, as it will be used to convince all involved parties why your project should be funded. You must successfully convince them that the cost is worth the investment it will require. It's important that you stress the necessity for this particular case study and explain the expected outcome.

Execution timeline

In the execution times of case studies, you explain how long you predict it will take to implement your study. The shorter the time it will take to implement your plan, the more apt it is to be approved. However, be sure to provide a reasonable timeline, taking into consideration any additional time that might be needed due to obstacles.

Always include a conclusion in your case study. This is where you will briefly wrap up your entire proposal, stressing the benefits of completing the data collection and data analysis in order to rectify your problem.

2. Make it clear and comprehensive

You want to write your case studies with as much clarity as possible so that every aspect of the report is understood. Be sure to double-check your grammar, spelling, punctuation, and more, as you don't want to submit a poorly-written document.

Not only would a poorly-written case study fail to prove that what you are trying to achieve is important, but it would also increase the chances that your report will be tossed aside and not taken seriously.

3. Don't rush through the process

Writing the perfect case study takes time and patience. Rushing could result in your forgetting to include information that is crucial to your entire study. Don't waste your time creating a study that simply isn't ready. Take the necessary time to perform all the research necessary to write the best case study possible.

Depending on the case study, conducting case study research could mean using qualitative methods, quantitative methods, or both. Qualitative research questions focus on non-numerical data, such as how people feel, their beliefs, their experiences, and so on.

Meanwhile, quantitative research questions focus on numerical or statistical data collection to explain causal links or get an in-depth picture.

It is also important to collect insightful and constructive feedback. This will help you better understand the outcome as well as any changes you need to make to future case studies. Consider using formal and informal ways to collect feedback to ensure that you get a range of opinions and perspectives.

4. Be confident in your theory development

While writing your case study or conducting your formal experimental investigation, you should have confidence in yourself and what you're proposing in your report. If you took the time to gather all the pertinent data collected to complete the report, don't second-guess yourself or doubt your abilities. If you believe your report will be amazing, then it likely will be.

5. Case studies and all qualitative research are long

It's expected that multiple case studies are going to be incredibly boring, and there is no way around this. However, it doesn't mean you can choose your language carefully in order to keep your audience as engaged as possible.

If your audience loses interest in your case study at the beginning, for whatever reason, then this increases the likelihood that your case study will not be funded.

Case study examples

If you want to learn more about how to write a case study, it might be beneficial to take a look at a few case study examples. Below are a few interesting case study examples you may want to take a closer look at.

• Phineas Gage by John Martin Marlow : One of the most famous case studies comes from the medical field, and it is about the story of Phineas Gage, a man who had a railroad spike driven through his head in 1848. As he was working on a railroad, an explosive charge went off prematurely, sending a railroad rod through his head. Even though he survived this incident, he lost his left eye. However, Phineas Gage was studied extensively over the years because his experiences had a significant, lasting impact on his personality. This served as a case study because his injury showed different parts of the brain have different functions.
• Kitty Genovese and the bystander effect : This is a tragic case study that discusses the murder of Kitty Genovese, a woman attacked and murdered in Queens, New York City. Shockingly, while numerous neighbors watched the scene, nobody called for help because they assumed someone else would. This case study helped to define the bystander effect, which is when a person fails to intervene during an emergency because other people are around.
• Henry Molaison and the study of memory : Henry Molaison lost his memory and suffered from debilitating amnesia. He suffered from childhood epilepsy, and medical professionals attempted to remove the part of his brain that was causing his seizures. He had a portion of his brain removed, but it completely took away his ability to hold memories. Even though he went on to live until the age of 82, he was always forced to live in the present moment, as he was completely unable to form new memories.

Case study FAQs

When should you do a case study.

There are several scenarios when conducting a case study can be beneficial. Case studies are often used when there's a "why" or "how" question that needs to be answered. Case studies are also beneficial when trying to understand a complex phenomenon, there's limited research on a topic, or when you're looking for practical solutions to a problem.

How can case study results be used to make business decisions?

You can use the results from a case study to make future business decisions if you find yourself in a similar situation. As you assess the results of a case study, you can identify best practices, evaluate the effectiveness of an intervention, generate new and creative ideas, or get a better understanding of customer needs.

How are case studies different from other research methodologies?

When compared to other research methodologies, such as experimental or qualitative research methodology, a case study does not require a representative sample. For example, if you are performing quantitative research, you have a lot of subjects that expand your sample size. If you are performing experimental research, you may have a random sample in front of you. A case study is usually designed to deliberately focus on unusual situations, which allows it to shed new light on a specific business research problem.

Writing multiple case studies for your business

If you're feeling overwhelmed by the idea of writing a case study and it seems completely foreign, then you aren't alone. Writing a case study for a business is a very big deal, but fortunately, there is help available because an example of a case study doesn't always help.

Mailchimp, a well-known marketing company that provides comprehensive marketing support for all sorts of businesses, can assist you with your case study, or you can review one of their own recently published examples.

Mailchimp can assist you with developing the most effective content strategy to increase your chances of being as successful as possible. Mailchimp's content studio is a great tool that can help your business immensely.

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The Importance of Case Studies

Case studies are, arguably, one of the most essential components of any marketing or communications strategy. They may take time and effort, but the payoffs are well worth their effort and have been seen time and again, from organizations both big and small.

As Business Analysts, we’re often involved in creating or contributing to case studies, so it is important we understand what they are, the purpose they serve, and the benefits that they can bring. 

What Are Case Studies?

In essence, a case study is a report published by a company that highlights its approach to a challenge, the strategy used to solve the issue(s), and the effectiveness of the solution. It presents a holistic, in-depth review with valuable information about the costs involved, the expertise of the company employed, and the benefits achieved.

The Many Benefits of Case Studies

Case studies have a huge range of benefits, from insight to influence. They are used in nearly every industry, from finance to health care and they offer organizations the ability to convert observations into useable data.

But that barely scratches the surface of the many benefits of case studies. Let’s dig a little deeper and look at some of the long-lasting effects that case studies can have.

1. Boost Customer Confidence

Case studies are an excellent way to display your team’s skill and expertise in action. It’s one thing to propose a plan for improvement, or a solution to a challenge, but some customers may be skeptical of your team’s ability to follow through or produce the appealing results you’re promising. 

Case studies are exactly the type of proof they need to help push them past skepticism and into belief, and possibly, across the finish line to approval of your partnership. If it’s an internal project, case studies could be enough to convince decision-makers to pursue your solution to a challenge.

2. Improve Brand Awareness and Reputation

The reality of the world today is that every company in every industry has competition. Consumers are also becoming smarter about marketing tactics and messaging, so providing proof and backing up claims is essential for presenting your company as genuine in its promises. That’s where case studies come in. 

Case studies are social proof that the promises and claims that your company is making are true. They provide facts and statistics to show how your company improved productivity for your clients by ‘x’ amount, increased profits by ‘x’ amount, or implemented ‘x’ solution to combat a specific issue. 

Providing such proof of expertise bolsters your reputation and can increase brand awareness. Case studies can be published and distributed to current customers to remind them of why they partnered with you initially, and can help increase your company’s reputation and brand image as new potential customers discover you. 

3. Provide a Strategic Solution

No customer wants to partner with a company that acts erratically or thoughtlessly. Case studies provide insight into real challenges and an in-depth look at how your company goes about solving them. They give you a chance to display your strategic thinking and approach, your expertise and innovation, and your ability to follow through on your promised solution. 

4. Assist with Furthering Research

A case study helps show how different aspects of your business work together. They highlight a problem and how the executed solution provided value. They can also play a role in broader research. As you explore and analyze new ideas, other theories and methods can surface. This additional information can help you refine your strategies and further grow the value you provide. Case studies make great reference points that can show, not only how innovative, productive, and proficient your company and teams have become, but how trends have unfolded within your customers and services.

Final Thoughts

As you can see, case studies play a crucial role in the communication of how your team and you, as a Business Analyst, face challenging situations head-on and provide strategic, value-driven solutions for your customers. Once you have a better understanding of case studies and the deep benefits they provide to you and your brand, it’s easy to justify the time and effort that goes into creating them. As you create your next case study, use it as a reminder to take pride in the hard work you’ve done and the results you’ve achieved.

– Written by Jeremy Aschenbrenner, The BA Guide

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Case Study Method – 18 Advantages and Disadvantages

The case study method uses investigatory research as a way to collect data about specific demographics. This approach can apply to individuals, businesses, groups, or events. Each participant receives an equal amount of participation, offering information for collection that can then find new insights into specific trends, ideas, of hypotheses.

Interviews and research observation are the two standard methods of data collection used when following the case study method.

Researchers initially developed the case study method to develop and support hypotheses in clinical medicine. The benefits found in these efforts led the approach to transition to other industries, allowing for the examination of results through proposed decisions, processes, or outcomes. Its unique approach to information makes it possible for others to glean specific points of wisdom that encourage growth.

Several case study method advantages and disadvantages can appear when researchers take this approach.

List of the Advantages of the Case Study Method

1. It requires an intensive study of a specific unit. Researchers must document verifiable data from direct observations when using the case study method. This work offers information about the input processes that go into the hypothesis under consideration. A casual approach to data-gathering work is not effective if a definitive outcome is desired. Each behavior, choice, or comment is a critical component that can verify or dispute the ideas being considered.

Intensive programs can require a significant amount of work for researchers, but it can also promote an improvement in the data collected. That means a hypothesis can receive immediate verification in some situations.

2. No sampling is required when following the case study method. This research method studies social units in their entire perspective instead of pulling individual data points out to analyze them. That means there is no sampling work required when using the case study method. The hypothesis under consideration receives support because it works to turn opinions into facts, verifying or denying the proposals that outside observers can use in the future.

Although researchers might pay attention to specific incidents or outcomes based on generalized behaviors or ideas, the study itself won’t sample those situations. It takes a look at the “bigger vision” instead.

3. This method offers a continuous analysis of the facts. The case study method will look at the facts continuously for the social group being studied by researchers. That means there aren’t interruptions in the process that could limit the validity of the data being collected through this work. This advantage reduces the need to use assumptions when drawing conclusions from the information, adding validity to the outcome of the study over time. That means the outcome becomes relevant to both sides of the equation as it can prove specific suppositions or invalidate a hypothesis under consideration.

This advantage can lead to inefficiencies because of the amount of data being studied by researchers. It is up to the individuals involved in the process to sort out what is useful and meaningful and what is not.

4. It is a useful approach to take when formulating a hypothesis. Researchers will use the case study method advantages to verify a hypothesis under consideration. It is not unusual for the collected data to lead people toward the formulation of new ideas after completing this work. This process encourages further study because it allows concepts to evolve as people do in social or physical environments. That means a complete data set can be gathered based on the skills of the researcher and the honesty of the individuals involved in the study itself.

Although this approach won’t develop a societal-level evaluation of a hypothesis, it can look at how specific groups will react in various circumstances. That information can lead to a better decision-making process in the future for everyone involved.

5. It provides an increase in knowledge. The case study method provides everyone with analytical power to increase knowledge. This advantage is possible because it uses a variety of methodologies to collect information while evaluating a hypothesis. Researchers prefer to use direct observation and interviews to complete their work, but it can also advantage through the use of questionnaires. Participants might need to fill out a journal or diary about their experiences that can be used to study behaviors or choices.

Some researchers incorporate memory tests and experimental tasks to determine how social groups will interact or respond in specific situations. All of this data then works to verify the possibilities that a hypothesis proposes.

6. The case study method allows for comparisons. The human experience is one that is built on individual observations from group situations. Specific demographics might think, act, or respond in particular ways to stimuli, but each person in that group will also contribute a small part to the whole. You could say that people are sponges that collect data from one another every day to create individual outcomes.

The case study method allows researchers to take the information from each demographic for comparison purposes. This information can then lead to proposals that support a hypothesis or lead to its disruption.

7. Data generalization is possible using the case study method. The case study method provides a foundation for data generalization, allowing researches to illustrate their statistical findings in meaningful ways. It puts the information into a usable format that almost anyone can use if they have the need to evaluate the hypothesis under consideration. This process makes it easier to discover unusual features, unique outcomes, or find conclusions that wouldn’t be available without this method. It does an excellent job of identifying specific concepts that relate to the proposed ideas that researchers were verifying through their work.

Generalization does not apply to a larger population group with the case study method. What researchers can do with this information is to suggest a predictable outcome when similar groups are placed in an equal situation.

8. It offers a comprehensive approach to research. Nothing gets ignored when using the case study method to collect information. Every person, place, or thing involved in the research receives the complete attention of those seeking data. The interactions are equal, which means the data is comprehensive and directly reflective of the group being observed.

This advantage means that there are fewer outliers to worry about when researching an idea, leading to a higher level of accuracy in the conclusions drawn by the researchers.

9. The identification of deviant cases is possible with this method. The case study method of research makes it easier to identify deviant cases that occur in each social group. These incidents are units (people) that behave in ways that go against the hypothesis under consideration. Instead of ignoring them like other options do when collecting data, this approach incorporates the “rogue” behavior to understand why it exists in the first place.

This advantage makes the eventual data and conclusions gathered more reliable because it incorporates the “alternative opinion” that exists. One might say that the case study method places as much emphasis on the yin as it does the yang so that the whole picture becomes available to the outside observer.

10. Questionnaire development is possible with the case study method. Interviews and direct observation are the preferred methods of implementing the case study method because it is cheap and done remotely. The information gathered by researchers can also lead to farming questionnaires that can farm additional data from those being studied. When all of the data resources come together, it is easier to formulate a conclusion that accurately reflects the demographics.

Some people in the case study method may try to manipulate the results for personal reasons, but this advantage makes it possible to identify this information readily. Then researchers can look into the thinking that goes into the dishonest behaviors observed.

List of the Disadvantages of the Case Study Method

1. The case study method offers limited representation. The usefulness of the case study method is limited to a specific group of representatives. Researchers are looking at a specific demographic when using this option. That means it is impossible to create any generalization that applies to the rest of society, an organization, or a larger community with this work. The findings can only apply to other groups caught in similar circumstances with the same experiences.

It is useful to use the case study method when attempting to discover the specific reasons why some people behave in a specific way. If researchers need something more generalized, then a different method must be used.

2. No classification is possible with the case study method. This disadvantage is also due to the sample size in the case study method. No classification is possible because researchers are studying such a small unit, group, or demographic. It can be an inefficient process since the skills of the researcher help to determine the quality of the data being collected to verify the validity of a hypothesis. Some participants may be unwilling to answer or participate, while others might try to guess at the outcome to support it.

Researchers can get trapped in a place where they explore more tangents than the actual hypothesis with this option. Classification can occur within the units being studied, but this data cannot extrapolate to other demographics.

3. The case study method still offers the possibility of errors. Each person has an unconscious bias that influences their behaviors and choices. The case study method can find outliers that oppose a hypothesis fairly easily thanks to its emphasis on finding facts, but it is up to the researchers to determine what information qualifies for this designation. If the results from the case study method are surprising or go against the opinion of participating individuals, then there is still the possibility that the information will not be 100% accurate.

Researchers must have controls in place that dictate how data gathering work occurs. Without this limitation in place, the results of the study cannot be guaranteed because of the presence of bias.

4. It is a subjective method to use for research. Although the purpose of the case study method of research is to gather facts, the foundation of what gets gathered is still based on opinion. It uses the subjective method instead of the objective one when evaluating data, which means there can be another layer of errors in the information to consider.

Imagine that a researcher interprets someone’s response as “angry” when performing direct observation, but the individual was feeling “shame” because of a decision they made. The difference between those two emotions is profound, and it could lead to information disruptions that could be problematic to the eventual work of hypothesis verification.

5. The processes required by the case study method are not useful for everyone. The case study method uses a person’s memories, explanations, and records from photographs and diaries to identify interactions on influences on psychological processes. People are given the chance to describe what happens in the world around them as a way for researchers to gather data. This process can be an advantage in some industries, but it can also be a worthless approach to some groups.

If the social group under study doesn’t have the information, knowledge, or wisdom to provide meaningful data, then the processes are no longer useful. Researchers must weigh the advantages and disadvantages of the case study method before starting their work to determine if the possibility of value exists. If it does not, then a different method may be necessary.

6. It is possible for bias to form in the data. It’s not just an unconscious bias that can form in the data when using the case study method. The narrow study approach can lead to outright discrimination in the data. Researchers can decide to ignore outliers or any other information that doesn’t support their hypothesis when using this method. The subjective nature of this approach makes it difficult to challenge the conclusions that get drawn from this work, and the limited pool of units (people) means that duplication is almost impossible.

That means unethical people can manipulate the results gathered by the case study method to their own advantage without much accountability in the process.

7. This method has no fixed limits to it. This method of research is highly dependent on situational circumstances rather than overarching societal or corporate truths. That means the researcher has no fixed limits of investigation. Even when controls are in place to limit bias or recommend specific activities, the case study method has enough flexibility built into its structures to allow for additional exploration. That means it is possible for this work to continue indefinitely, gathering data that never becomes useful.

Scientists began to track the health of 268 sophomores at Harvard in 1938. The Great Depression was in its final years at that point, so the study hoped to reveal clues that lead to happy and healthy lives. It continues still today, now incorporating the children of the original participants, providing over 80 years of information to sort through for conclusions.

8. The case study method is time-consuming and expensive. The case study method can be affordable in some situations, but the lack of fixed limits and the ability to pursue tangents can make it a costly process in most situations. It takes time to gather the data in the first place, and then researchers must interpret the information received so that they can use it for hypothesis evaluation. There are other methods of data collection that can be less expensive and provide results faster.

That doesn’t mean the case study method is useless. The individualization of results can help the decision-making process advance in a variety of industries successfully. It just takes more time to reach the appropriate conclusion, and that might be a resource that isn’t available.

The advantages and disadvantages of the case study method suggest that the helpfulness of this research option depends on the specific hypothesis under consideration. When researchers have the correct skills and mindset to gather data accurately, then it can lead to supportive data that can verify ideas with tremendous accuracy.

This research method can also be used unethically to produce specific results that can be difficult to challenge.

When bias enters into the structure of the case study method, the processes become inefficient, inaccurate, and harmful to the hypothesis. That’s why great care must be taken when designing a study with this approach. It might be a labor-intensive way to develop conclusions, but the outcomes are often worth the investments needed.

Strengths and Weaknesses of Case Studies

There is no doubt that case studies are a valuable and important form of research for all of the industries and fields that use them. However, along with all their advantages, they also have some disadvantages. In this article we are going to look at both.

Advantages of Case Studies

Intensive Study

Case study method is responsible for intensive study of a unit. It is the investigation and exploration of an event thoroughly and deeply. You get a very detailed and in-depth study of a person or event. This is especially the case with subjects that cannot be physically or ethically recreated.

This is one of the biggest advantages of the Genie case. You cannot lock up a child for 13 years and deprive them of everything. That would be morally and ethically wrong in every single way. So when the opportunity presented itself, researchers could not look away. It was a once in a lifetime opportunity to learn about feral children.

Genie was a feral child. She was raised in completed isolation, with little human contact. Because of the abuse she withstood, she was unable to develop cognitively. From infancy she was strapped to a potty chair, and therefore never acquired the physicality needed for walking, running and jumping.

If Genie made a noise, her father beat her. Therefore, she learned to not make a noise. Once she was found, researchers studied her language skills, and attempted to find ways to get her to communicate. They were successful. While she never gained the ability to speak, she did develop other ways to communicate. However, the public soon lost interest in her case, and with that, the funds to conduct the study.

However, her case was extremely important to child development psychology and linguistic theory. Because of her, we know that mental stimulation is needed for proper development. We also now know that there is a "critical period" for the learning of language.

Developing New Research

Case studies are one of the best ways to stimulate new research. A case study can be completed, and if the findings are valuable, they can lead to new and advanced research in the field. There has been a great deal of research done that wouldn't have been possible without case studies.

An example of this is the sociological study Nickel and Dimed. Nickel and Dimed is a book and study done by Barbara Ehrenreich. She wanted to study poverty in America, and did so by living and working as a person living on minimum wage.

Through her experiment, she discovered that poverty was almost inescapable. As soon as she saved a little money, she was hit with a crisis. She might get sick, or her car might break down, all occurrences that can be destructive when a person doesn't have a safety net to fall back on.

It didn't matter where she lived or what she did. Working a minimum wage job gave her no chances for advancement or improvement whatsoever. And she did the experiment as a woman with no children to support.

This study opened a lot of eyes to the problem of the working poor in America. By living and working as the experiment, Ehrenreich was able to show first-hand data regarding the issues surrounding poverty. The book didn't end with any solutions, just suggestions for the reader and points for them to think about.

Using this case study information, new studies could be organized to learn better ways to help people who are fighting poverty, or better ways to help the working poor.

Contradicting Established Ideas or Theories

Oftentimes there are theories that may be questioned with case studies. For example, in the John/John case study, it was believed that gender and sexual identity were a construct of nurture, not nature.

John-John focused on a set of twin boys, both of whom were circumcised at the age of 6 months. One of the twin's circumcisions failed, causing irreparable damage to the penis. His parents were concerned about the sexual health of their son, so they contacted Dr. John Money for a solution.

Dr. Money believed that sexuality came from nurture, not nature, and that the injured baby, Bruce, could be raised as a girl. His penis was removed and he was sexually reassigned to become a girl. Bruce's name was changed to Brenda, and his parents decided to raise him as a girl.

In this case, Dr. Money was dishonest. He believed that gender could be changed, which has since been proven false. Brenda's parents were also dishonest, stating that the surgery was a success, when in fact that wasn't the case.

As Brenda grew up, she always acted masculine and was teased for it at school. She did not socialize as a girl, and did not identify as a female. When Brenda was 13 she learned the truth, and was incredibly relieved. She changed her name to David, and lived the rest of her life as a male.

This case proved that the general theory was wrong, and is still valuable, even though the study author was dishonest.

Giving New Insight

Case studies have the ability to give insight into phenomena that cannot be learned in any other way. An example of this is the case study about Sidney Bradford. Bradford was blind from the age of 10 months old, and regained his sight at the age of 52 from a corneal transplant.

This unique situation allowed researchers to better learn how perception and motion changes when suddenly given sight. They were able to better understand how colors and dimensions affect the human process. For what it is worth, Bradford continued to live and work with his eyes closed, as he found sight too stimulating.

Another famous study was the sociological study of Milgram.

Stanley Milgram did a study from 1960 to 1974 in which he studied the effects of social pressure. The study was set up as an independent laboratory. A random person would walk in, and agree to be a part of the study. He was told to act as a teacher, and ask questions to another volunteer, who was the learner.

The teacher would ask the learner questions, and whenever he answered incorrectly, the teacher was instructed to give the learner an electric shock. Each time the learner was wrong, the shock would be increased by 15 volts. What the teacher didn't know was that the learner was a part of the experiment, and that no shocks were being given. However, the learner did act as if they were being shocked.

If the teachers tried to quit, they were strongly pushed to continue. The goal of the experiment was to see whether or not any of the teachers would go up to the highest voltage. As it turned out, 65% of the teachers did.

This study opened eyes when it comes to social pressure. If someone tells you it is okay to hurt someone, at what point will the person back off and say "this is not ok!" And in this study, the results were the same, regardless of income, race, gender or ethnicity.

This study opened up the sociological world of understanding the divide between social pressure and morality.

Disadvantages of Case Studies

Inability to Replicate

As demonstrated with the Genie case study, many studies cannot be replicated, and therefore, cannot be corroborated. Because the studies cannot be replicated, it means the data and results are only valid for that one person. Now, one could infer that that results of the Genie study would be the same with other feral children, without additional studies we can never be 100% certain.

Also, Genie was a white, American female. We do not know whether someone with a different gender, race or ethnicity would have a different result.

Key Term! Hawthorne Effect

The effect in which people change their behavior when they are aware they are being observed.

Researcher Bias

When conducting a case study, it is very possible for the author to form a bias. This bias can be for the subject; the form of data collection, or the way the data is interpreted. This is very common, since it is normal for humans to be subjective. It is well known that Sigmund Freud, the father of psychology, was often biased in his case histories and interpretations.

The researcher can become close to a study participant, or may learn to identify with the subject. When this happens the researcher loses their perspective as an outsider.

No Classification

Any classification is not possible due to studying a small unit. This generalization of results is limited, since the study is only focusing on one small group. However, this isn't always a problem, especially if generalization is not one of the study's goals.

Time Intensive

Case studies can be very time consuming. The data collection process can be very intensive and long, and this is something new researchers are not familiar with. It takes a long period of time to develop a case study, and develop a detailed analysis.

Many studies also require the authors to immerse themselves in the case. For example, in the Genie case, the lead researchers spent an abnormal amount of time with Genie, since so few people knew how to handle her. David Rigler, one of the lead researchers, actually had Genie live with him and his family for years. Because of this attachment, many questioned the veracity of the study data.

Possibility of Errors

Case study method may have errors of memory or judgment. Since reconstructing case history is based on memory, this can lead to errors. Also, how one person perceived the past could be different for another person, and this can and does lead to errors.

When considering various aspects of their lives, people tend to focus on issues that they find most important. This allows them to form a prejudice and can make them unaware of other possible options.

Ethical Issues

With small studies, there is always the question of ethics. At what point does a study become unethical? The Genie case was riddled with accusations of being unethical, and people still debate about it today.

Was it ethical to study Genie as deeply as she was studied?

Did Genie deserve to live out her life unbothered by researchers and academics trying to use her case to potentially further their careers?

At what point does the pursuit of scientific knowledge outweigh the right to a life free from research?

Also, because the researchers became so invested in the study, people questioned whether a researcher would report unethical behavior if they witnessed it.

Advantages and Disadvantages in Real-Life Studies

Two of these case studies are the Tylenol Scandal and the Genie language study.

Let's look at the advantages and disadvantages of these two studies.

Genie – Advantages

Uniqueness of study – Being able to study a feral child is a rare occurrence.

Genie – Disadvantages

Ethics - The lead researcher David Rigler provided a home for Genie, and was paid for being a foster parent. This is often seen as unethical, since Rigler had a financial interest in Genie and her case.

Tylenol – Advantages

Uniqueness of study – What happened to Tylenol was very unique and rare. While companies face crisis all the time, a public health crisis of this magnitude is very unique.

Tylenol – Disadvantages

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Home » Pros and Cons » 12 Case Study Method Advantages and Disadvantages

12 Case Study Method Advantages and Disadvantages

A case study is an investigation into an individual circumstance. The investigation may be of a single person, business, event, or group. The investigation involves collecting in-depth data about the individual entity through the use of several collection methods. Interviews and observation are two of the most common forms of data collection used.

The case study method was originally developed in the field of clinical medicine. It has expanded since to other industries to examine key results, either positive or negative, that were received through a specific set of decisions. This allows for the topic to be researched with great detail, allowing others to glean knowledge from the information presented.

Here are the advantages and disadvantages of using the case study method.

List of the Advantages of the Case Study Method

1. it turns client observations into useable data..

Case studies offer verifiable data from direct observations of the individual entity involved. These observations provide information about input processes. It can show the path taken which led to specific results being generated. Those observations make it possible for others, in similar circumstances, to potentially replicate the results discovered by the case study method.

2. It turns opinion into fact.

Case studies provide facts to study because you’re looking at data which was generated in real-time. It is a way for researchers to turn their opinions into information that can be verified as fact because there is a proven path of positive or negative development. Singling out a specific incident also provides in-depth details about the path of development, which gives it extra credibility to the outside observer.

3. It is relevant to all parties involved.

Case studies that are chosen well will be relevant to everyone who is participating in the process. Because there is such a high level of relevance involved, researchers are able to stay actively engaged in the data collection process. Participants are able to further their knowledge growth because there is interest in the outcome of the case study. Most importantly, the case study method essentially forces people to make a decision about the question being studied, then defend their position through the use of facts.

4. It uses a number of different research methodologies.

The case study method involves more than just interviews and direct observation. Case histories from a records database can be used with this method. Questionnaires can be distributed to participants in the entity being studies. Individuals who have kept diaries and journals about the entity being studied can be included. Even certain experimental tasks, such as a memory test, can be part of this research process.

5. It can be done remotely.

Researchers do not need to be present at a specific location or facility to utilize the case study method. Research can be obtained over the phone, through email, and other forms of remote communication. Even interviews can be conducted over the phone. That means this method is good for formative research that is exploratory in nature, even if it must be completed from a remote location.

6. It is inexpensive.

Compared to other methods of research, the case study method is rather inexpensive. The costs associated with this method involve accessing data, which can often be done for free. Even when there are in-person interviews or other on-site duties involved, the costs of reviewing the data are minimal.

7. It is very accessible to readers.

The case study method puts data into a usable format for those who read the data and note its outcome. Although there may be perspectives of the researcher included in the outcome, the goal of this method is to help the reader be able to identify specific concepts to which they also relate. That allows them to discover unusual features within the data, examine outliers that may be present, or draw conclusions from their own experiences.

List of the Disadvantages of the Case Study Method

1. it can have influence factors within the data..

Every person has their own unconscious bias. Although the case study method is designed to limit the influence of this bias by collecting fact-based data, it is the collector of the data who gets to define what is a “fact” and what is not. That means the real-time data being collected may be based on the results the researcher wants to see from the entity instead. By controlling how facts are collected, a research can control the results this method generates.

2. It takes longer to analyze the data.

The information collection process through the case study method takes much longer to collect than other research options. That is because there is an enormous amount of data which must be sifted through. It’s not just the researchers who can influence the outcome in this type of research method. Participants can also influence outcomes by given inaccurate or incomplete answers to questions they are asked. Researchers must verify the information presented to ensure its accuracy, and that takes time to complete.

3. It can be an inefficient process.

Case study methods require the participation of the individuals or entities involved for it to be a successful process. That means the skills of the researcher will help to determine the quality of information that is being received. Some participants may be quiet, unwilling to answer even basic questions about what is being studied. Others may be overly talkative, exploring tangents which have nothing to do with the case study at all. If researchers are unsure of how to manage this process, then incomplete data is often collected.

4. It requires a small sample size to be effective.

The case study method requires a small sample size for it to yield an effective amount of data to be analyzed. If there are different demographics involved with the entity, or there are different needs which must be examined, then the case study method becomes very inefficient.

5. It is a labor-intensive method of data collection.

The case study method requires researchers to have a high level of language skills to be successful with data collection. Researchers must be personally involved in every aspect of collecting the data as well. From reviewing files or entries personally to conducting personal interviews, the concepts and themes of this process are heavily reliant on the amount of work each researcher is willing to put into things.

These case study method advantages and disadvantages offer a look at the effectiveness of this research option. With the right skill set, it can be used as an effective tool to gather rich, detailed information about specific entities. Without the right skill set, the case study method becomes inefficient and inaccurate.

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• Volume 21, Issue 1
• What is a case study?
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• Roberta Heale 1 ,
• Alison Twycross 2
• 1 School of Nursing , Laurentian University , Sudbury , Ontario , Canada
• 2 School of Health and Social Care , London South Bank University , London , UK
• Correspondence to Dr Roberta Heale, School of Nursing, Laurentian University, Sudbury, ON P3E2C6, Canada; rheale{at}laurentian.ca

https://doi.org/10.1136/eb-2017-102845

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What is it?

Case study is a research methodology, typically seen in social and life sciences. There is no one definition of case study research. 1 However, very simply… ‘a case study can be defined as an intensive study about a person, a group of people or a unit, which is aimed to generalize over several units’. 1 A case study has also been described as an intensive, systematic investigation of a single individual, group, community or some other unit in which the researcher examines in-depth data relating to several variables. 2

Often there are several similar cases to consider such as educational or social service programmes that are delivered from a number of locations. Although similar, they are complex and have unique features. In these circumstances, the evaluation of several, similar cases will provide a better answer to a research question than if only one case is examined, hence the multiple-case study. Stake asserts that the cases are grouped and viewed as one entity, called the quintain . 6  ‘We study what is similar and different about the cases to understand the quintain better’. 6

The steps when using case study methodology are the same as for other types of research. 6 The first step is defining the single case or identifying a group of similar cases that can then be incorporated into a multiple-case study. A search to determine what is known about the case(s) is typically conducted. This may include a review of the literature, grey literature, media, reports and more, which serves to establish a basic understanding of the cases and informs the development of research questions. Data in case studies are often, but not exclusively, qualitative in nature. In multiple-case studies, analysis within cases and across cases is conducted. Themes arise from the analyses and assertions about the cases as a whole, or the quintain, emerge. 6

Benefits and limitations of case studies

If a researcher wants to study a specific phenomenon arising from a particular entity, then a single-case study is warranted and will allow for a in-depth understanding of the single phenomenon and, as discussed above, would involve collecting several different types of data. This is illustrated in example 1 below.

Using a multiple-case research study allows for a more in-depth understanding of the cases as a unit, through comparison of similarities and differences of the individual cases embedded within the quintain. Evidence arising from multiple-case studies is often stronger and more reliable than from single-case research. Multiple-case studies allow for more comprehensive exploration of research questions and theory development. 6

Despite the advantages of case studies, there are limitations. The sheer volume of data is difficult to organise and data analysis and integration strategies need to be carefully thought through. There is also sometimes a temptation to veer away from the research focus. 2 Reporting of findings from multiple-case research studies is also challenging at times, 1 particularly in relation to the word limits for some journal papers.

Examples of case studies

Example 1: nurses’ paediatric pain management practices.

One of the authors of this paper (AT) has used a case study approach to explore nurses’ paediatric pain management practices. This involved collecting several datasets:

Observational data to gain a picture about actual pain management practices.

Questionnaire data about nurses’ knowledge about paediatric pain management practices and how well they felt they managed pain in children.

Questionnaire data about how critical nurses perceived pain management tasks to be.

These datasets were analysed separately and then compared 7–9 and demonstrated that nurses’ level of theoretical did not impact on the quality of their pain management practices. 7 Nor did individual nurse’s perceptions of how critical a task was effect the likelihood of them carrying out this task in practice. 8 There was also a difference in self-reported and observed practices 9 ; actual (observed) practices did not confirm to best practice guidelines, whereas self-reported practices tended to.

Example 2: quality of care for complex patients at Nurse Practitioner-Led Clinics (NPLCs)

The other author of this paper (RH) has conducted a multiple-case study to determine the quality of care for patients with complex clinical presentations in NPLCs in Ontario, Canada. 10 Five NPLCs served as individual cases that, together, represented the quatrain. Three types of data were collected including:

Review of documentation related to the NPLC model (media, annual reports, research articles, grey literature and regulatory legislation).

Interviews with nurse practitioners (NPs) practising at the five NPLCs to determine their perceptions of the impact of the NPLC model on the quality of care provided to patients with multimorbidity.

Chart audits conducted at the five NPLCs to determine the extent to which evidence-based guidelines were followed for patients with diabetes and at least one other chronic condition.

The three sources of data collected from the five NPLCs were analysed and themes arose related to the quality of care for complex patients at NPLCs. The multiple-case study confirmed that nurse practitioners are the primary care providers at the NPLCs, and this positively impacts the quality of care for patients with multimorbidity. Healthcare policy, such as lack of an increase in salary for NPs for 10 years, has resulted in issues in recruitment and retention of NPs at NPLCs. This, along with insufficient resources in the communities where NPLCs are located and high patient vulnerability at NPLCs, have a negative impact on the quality of care. 10

These examples illustrate how collecting data about a single case or multiple cases helps us to better understand the phenomenon in question. Case study methodology serves to provide a framework for evaluation and analysis of complex issues. It shines a light on the holistic nature of nursing practice and offers a perspective that informs improved patient care.

• Gustafsson J
• Calanzaro M
• Sandelowski M

Competing interests None declared.

Provenance and peer review Commissioned; internally peer reviewed.

Read the full text or download the PDF:

Using Case Studies to Teach

Why Use Cases?

Many students are more inductive than deductive reasoners, which means that they learn better from examples than from logical development starting with basic principles. The use of case studies can therefore be a very effective classroom technique.

Case studies are have long been used in business schools, law schools, medical schools and the social sciences, but they can be used in any discipline when instructors want students to explore how what they have learned applies to real world situations. Cases come in many formats, from a simple “What would you do in this situation?” question to a detailed description of a situation with accompanying data to analyze. Whether to use a simple scenario-type case or a complex detailed one depends on your course objectives.

Most case assignments require students to answer an open-ended question or develop a solution to an open-ended problem with multiple potential solutions. Requirements can range from a one-paragraph answer to a fully developed group action plan, proposal or decision.

Common Case Elements

Most “full-blown” cases have these common elements:

• A decision-maker who is grappling with some question or problem that needs to be solved.
• A description of the problem’s context (a law, an industry, a family).
• Supporting data, which can range from data tables to links to URLs, quoted statements or testimony, supporting documents, images, video, or audio.

Case assignments can be done individually or in teams so that the students can brainstorm solutions and share the work load.

The following discussion of this topic incorporates material presented by Robb Dixon of the School of Management and Rob Schadt of the School of Public Health at CEIT workshops. Professor Dixon also provided some written comments that the discussion incorporates.

Advantages to the use of case studies in class

A major advantage of teaching with case studies is that the students are actively engaged in figuring out the principles by abstracting from the examples. This develops their skills in:

• Problem solving
• Analytical tools, quantitative and/or qualitative, depending on the case
• Decision making in complex situations
• Coping with ambiguities

Guidelines for using case studies in class

In the most straightforward application, the presentation of the case study establishes a framework for analysis. It is helpful if the statement of the case provides enough information for the students to figure out solutions and then to identify how to apply those solutions in other similar situations. Instructors may choose to use several cases so that students can identify both the similarities and differences among the cases.

Depending on the course objectives, the instructor may encourage students to follow a systematic approach to their analysis.  For example:

• What is the issue?
• What is the goal of the analysis?
• What is the context of the problem?
• What key facts should be considered?
• What alternatives are available to the decision-maker?
• What would you recommend — and why?

An innovative approach to case analysis might be to have students  role-play the part of the people involved in the case. This not only actively engages students, but forces them to really understand the perspectives of the case characters. Videos or even field trips showing the venue in which the case is situated can help students to visualize the situation that they need to analyze.

Accompanying Readings

Case studies can be especially effective if they are paired with a reading assignment that introduces or explains a concept or analytical method that applies to the case. The amount of emphasis placed on the use of the reading during the case discussion depends on the complexity of the concept or method. If it is straightforward, the focus of the discussion can be placed on the use of the analytical results. If the method is more complex, the instructor may need to walk students through its application and the interpretation of the results.

Leading the Case Discussion and Evaluating Performance

Decision cases are more interesting than descriptive ones. In order to start the discussion in class, the instructor can start with an easy, noncontroversial question that all the students should be able to answer readily. However, some of the best case discussions start by forcing the students to take a stand. Some instructors will ask a student to do a formal “open” of the case, outlining his or her entire analysis.  Others may choose to guide discussion with questions that move students from problem identification to solutions.  A skilled instructor steers questions and discussion to keep the class on track and moving at a reasonable pace.

In order to motivate the students to complete the assignment before class as well as to stimulate attentiveness during the class, the instructor should grade the participation—quantity and especially quality—during the discussion of the case. This might be a simple check, check-plus, check-minus or zero. The instructor should involve as many students as possible. In order to engage all the students, the instructor can divide them into groups, give each group several minutes to discuss how to answer a question related to the case, and then ask a randomly selected person in each group to present the group’s answer and reasoning. Random selection can be accomplished through rolling of dice, shuffled index cards, each with one student’s name, a spinning wheel, etc.

Tips on the Penn State U. website: https://sites.psu.edu/pedagogicalpractices/case-studies/

If you are interested in using this technique in a science course, there is a good website on use of case studies in the sciences at the National Science Teaching Association.

A Step-by-Step Guide to Building a Business Case for Learning and Development

Tl;dr: how to deliver an effective business case for learning.

• Research: Start by researching the main business challenges and strategic initiatives to identify where training can have the greatest impact.
• Form Alliances:  Form partnerships with key stakeholders, like department leaders, to formulate plans that tie back to tangible work in the organizations.
• Compile Options:  Gather all your material to formalize good, better, and best options that you'll present to senior leadership.
• Predict ROI:  With plans all but complete, estimate the potential ROI for your solutions. Weigh the costs against the risks and benefits.
• Present: Present your solutions to stakeholders, senior leadership, employees, and anyone else who stands to benefit from learning programs. Winning your case helps position the organization for growth.

Anyone who's dealt with budget cuts knows the frustration and stress of making do with less. Unfortunately, learning and development dollars seem to be one of the first cost-cutting areas when times are tough.

Tech executives who participated in Skillsoft's annual IT Skills and Salary survey say budget and resource constraints are the greatest challenge they face this year, followed by workload and talent retention. The first challenge, tight budgets, also impacts the latter two, creating a vicious cycle of divestment that hurts business and operations.

"When there isn't as much of an emphasis on learning and development, you certainly see a higher turnover rate and that attrition comes at a very high cost," said Bill Anderson, digital services training specialist at Corewell Health. "So, in essence, it has the opposite effect of what you're really trying to accomplish. That investment in learning and development will certainly pay back in lower attrition."

There are steps department heads can take to help prevent budget cuts because ultimately learning and development helps close gaps but also anticipates what skills the organization will need to remain competitive long term. For those leading these departments, the objective is to both educate and persuade executives that talent development can help more than hurt during lean times.

This win-win scenario unfolded at Corewell Health after a significant merge that  created Michigan's largest hospital system . Editor's note:  Corewell Health is a Skillsoft customer.

With the merge came a complex consolidation effort to cut costs, reduce duplicative efforts, and unify the two organizations. Virtually every aspect of the organization was under consideration, including technical training.

According to Anderson, the learning and development team managed to protect its training investments by building and presenting  an effective business case to leadership . It was a win for the learning team, but also a win for an organization focused on delivering modern, technology-powered experiences for employees and patients.

Here's how they did it:

Step 1: Research Strategic Priorities and Business Challenges

Building a compelling business case for learning starts with research. You want to have a thorough understanding of what the organization is going through and how that impacts goals. For this first step, ask questions and dig deep. You want to connect the top-level challenges to outcomes — good and bad.

For example:

Consider how  onboarding new technology without training could cause a ripple effect throughout the organization.

⬇️ The IT department onboards a new vendor. 

⬇️ Without training, employees don't know how to use it. 

⬇️ Adoption suffers, and some employees buy different solutions.

❌ IT doesn't see the ROI or meet its goal; organization takes on more risk.

In the scenario above, training could help in a big way. Telling the inverse of this story would show a clear need for learning programs that ultimately benefit different areas of the organization.

Where to Focus Your Research

By understanding the broader landscape and best practices, professionals can understand where training can have the greatest impact and tell why. Getting intel on what's listed below will help identify the organization's specific needs and demonstrate how targeted training can effectively address these areas. And remember, drill down.

Internal research:

• Current business challenges
• Current and future strategic initiatives
• New deployments
• Employee performance
• Retention rates
• Existing gaps in current skills
• Desired future skills or certifications

External research:

• Industry benchmarks
• Competitor training initiatives
• Published studies on the benefits of training

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Step 2: formulate a solution with stakeholders.

After gathering data and doing your research, it's time to visit with other department leaders who will likely benefit the most from training.

Department leaders across the business serve as both your stakeholders and your supporters when making the case to executive leadership. In essence, you must form a partnership with these leaders to ensure alignment between their department initiatives and the training that you will deliver. Doing so helps measure the readiness of the department against its intended goal and lends more tangibility to your case for learning.

You want to understand: 

• What their challenges and needs are
• Their expectations for training programs
• Impressions of third parties and vendors
• What skills or certifications they're focused on
• What vacancies they have on their teams

...And more. The more you know, the better.

Along the way, take notes and compile your evidence. Documenting your findings ensures all insights, data, and analyses are ready to share with others. When working with department leaders, thorough documentation can also demonstrate transparency and facilitate collaboration.

Step 2.1: Assemble a Team of Skill Champions

Through meticulous research, professionals can compile a data-driven, persuasive case that aligns organizational goals with training and demonstrates the value of L&D initiatives.

But what's it all for if adoption is low or employees don't see the value in it?

It's worth reiterating the importance of connecting with stakeholders early in this process and assembling a cohort of champions who not only see the value of training but also spread the word.

"We were fortunate enough to have a portion of our business that had already been using Skillsoft Percipio for learning and development," Anderson said. "So that word of mouth from those team members already using Skillsoft was very helpful when we went to extend training to our entire IT team."

Step 3: Form Your Argument with Good, Better, Best Options

By this step, you've done your internal and external research, met with department leaders, and you have a clear understanding of the organization's strategic priorities and key challenges.

Now, it's time to prescribe training as a solution in support of the organization. And it helps to offer options that illustrate the impact training investments can have at varying levels.

Providing several scenarios allows stakeholders to compare various approaches and their implications. This comparison should include both internal solutions, like leveraging in-house expertise and resources, and external options, such as partnering with specialized training providers.

What Does Good Look Like?

With a low investment, learning and development teams can support modest training programs that help meet compliance requirements and build select skills among a cohort of employees. 

The Pros and Cons: By keeping costs low, the upfront investment doesn't burden the organization while also meeting compliance and some skilling requirements. However, the solution may not scale easily, which makes it tough to forecast future needs, and the program may only benefit a limited number of employees and stakeholders.

What Does Better Look Like?

With more investment, learning and development teams can begin to scale learning programs more easily and offer more training to more employees.

The Pros and Cons:  While the cost is higher, training programs have a wider impact on the organization and stakeholders (employees, patients, customers, etc.). Programs scale more easily, and it becomes easier to see the short- and long-term impact of training at an organizational level, including cultural and behavioral changes.

What Does Best Look Like?

With a best-case-scenario investment in training, learning and development teams can deploy and support enterprise-level programs that are measured, optimized and scaled.

The Pros and Cons:  The upfront cost of this option is the highest, creating the most burden for the organization. However, the investment will pay the organization back in time through a range of dividends, including closed skill gaps, more productive employees, faster product development and time to market, and higher employee satisfaction.

By evaluating these options, stakeholders can make informed decisions that balance costs, benefits, and risks. Presenting a range of solutions also demonstrates to stakeholders the strategic approach to delivering effective training programs that solve business challenges.

Don't be Shy About the Benefits of Learning

Especially in tech, department leaders today struggle with talent recruitment and retention, developing stronger teams, innovation and change management, workload and more. And because of skill gaps, employees feel more stress, projects slow down, and business objectives falter.

All of these challenges can be solved — at some level — with investments in learning and development.

According to  Skillsoft's IT Skills and Salary Report , tech leaders say these are the top benefits of training:

• Improves team morale
• Shortens project durations
• Improves talent retention
• Makes it easier to attract talent
• Increases revenue
• Increases ability to innovate

Step 4: Estimate Your ROI of Training Investments

In L&D, demonstrating a return on investment is often difficult. Sometimes, the metrics aren't there. Or the effort is too cumbersome. But there are ways to simplify the process and still make your case.

The team at Corewell Health created a process that helped them assign a dollar value to training, which substantially strengthened their case for learning. The learning and development team looked at the resources being consumed and assigned dollar values to them.

For example, if learners accessed a book in Skillsoft Percipio, they cross-checked what it would cost for the individual to buy it outside of the subscription. They added up all the times a person accessed that book and totaled the cost. They took the same approach to other resources, including courses, labs and so on.

It looked like this:

Cost of books + Cost of courses + Cost of Labs + Cost of Certification Prep + = Cost of Training Resources

Cost of Training Resources x Number of Accesses = Gross Training Cost

From there, you'd identify the cost savings by comparing the "gross training cost" to, in this case, the cost of the training subscription. 

"Money talks," Anderson said. "What I found in our situation was our leadership really wanted to know how much money we were saving by taking classes with Skillsoft rather than taking them at other institutions. That really ended up being a great measurement to show how our team was adopting this tool."

When they tallied up the cost savings using this method, Corewell Health saved about $150,000. Anderson said a range of metrics can work in building your case, including  skill assessments , course or journey completions, badges earned, and gamification or leaderboards to show participation.

Other ways to show cost-savings include weighing the training investment against estimated recruiting costs or that of managed services, and the cost of team vacancies.

Read Next:  Measure Mastery: How Interactivity Showcases Earned Skills - Skillsoft

Step 4.1: Anticipate Opposition and Risks

From a business perspective, senior leaders want to keep costs low and benefits high. And when costs become too much, they have difficult decisions to make. During such times, leaders might see learning programs as less critical than other areas that can have short-term or immediate impact on the bottom line, ultimately diverting money away from these programs.

Corporate training programs often require an upfront investment in both time and resources, with benefits that may not be immediately visible. Additionally, skepticism fuels opposition. Some leaders may doubt the impact of training, questioning whether it translates into measurable business outcomes. This skepticism can be reinforced by past experiences with poorly executed training programs that failed to deliver.

Convincing senior leadership to overcome these reservations requires presenting a thorough argument that clearly demonstrates the success and ROI of well-implemented training programs and how the team helps anticipate future business needs. By preemptively acknowledging these concerns and providing compelling evidence to counter them, L&D leaders can build a stronger, more persuasive case for investing in learning.

Step 5: Present Your Case for Learning to... Everyone

Arguably the most important part of undertaking this effort is spreading the word throughout your organization because training can (and does) have a tremendous impact on developing new leaders, securing coveted skills, and fostering a  vibrant company culture . As you present your case, it's important to consider your audiences and what they care about.

"Understanding your audience and communicating value effectively can significantly enhance the impact of your business case," writes Cathy Hoy, CEO of CLO100.

Hoy recommends  presenting your case for learning  using a flow like this:

• Executive Summary  — Condense the presentation and list key takeaways.
• The Business Challenge — Call out what hurts the business today.
• The Benefits   — Answer what the organization gains by implementing the solution.
• The Risks — Get in front of the risks or concerns people may have and refute them.
• The Costs — Address what the investment costs the organization and why. Include the estimated ROI.
• The Timeline  — Communicate what people should expect and when.
• The Call-to-Action  — Articulate what you need from your stakeholders and ask for it directly.

As you embark on the campaign trail, tailor your messages to the respective audience. Pro tip:  Constantly ask yourself, "what's in it for them?"

Your Message to Executives — Communicate how training aligns with strategic business goals both now and in the future, highlighting the financial benefits and ROI over time. Their buy-in secures funding and protects your investments.

Your Message to Department Leaders — Show how training can lead to outcomes they care about, like improved team performance, while supporting the organization's overarching mission. Their buy-in ensures smoother implementation and ongoing support.

Your Message to All Employees — Educating the broader workforce about the value of ongoing learning fosters a culture of continuous improvement. When employees see how training will benefit them — career advancement, improving performance, etc. — they are more likely to participate. Their buy-in ensures the adoption of training programs, the closure of skill gaps, and more systemic outcomes, like higher morale, lower attrition, and more.

An Effective Business Case Protects Investments, Secures Budget

When done well, an effective business case for learning can protect hard-won learning programs and demonstrate to leadership the impact training can have on powerful outcomes, like customer and employee satisfaction, productivity, and more.

However, it takes time to build a thorough case — especially alone. Doing so with support from other areas of the business will strengthen the argument for learning while also decentralizing the planning and execution process. This will help while building a case, but also when the case has been won.

If you're building a case for your programs, consider reviewing Skillsoft's Total Economic Impact Studies, commissioned through Forrester Consulting. Each of these studies shows the potential return on investment a composite organization would realize by investing in Skillsoft training.

• Total Economic Impact of Skillsoft Technology and Developer Solutions
• Total Economic Impact of Skillsoft Compliance Solutions
• Total Economic Impact of Skillsoft Leadership and Business Solutions

Further, this year's  Lean Into Learning Report and  IT Skills and Salary Report dive deep into training data and industry trends to help inform L&D strategy. Use resources like these to bolster your argument in favor of training.

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Top Benefits of Using Case Studies For Your Business

Consumers are a lot less susceptible to fancy sales pitches in this day and age, which is why the use of case studies can be very effective in building brand trust. Many consumers will ask friends and family for recommendations or look up online reviews before doing business with a particular brand. They do this because they simply trust other consumers more than they are willing to trust a brand. It’s due to these reasons that you should consider using case studies. We’ve gone over the case study questions you should ask, but the following is some information on what they actually are and how case studies benefits your marketing efforts:

What are Case Studies?

Case studies are similar to testimonials in that they provide audiences with an account of previous customer experiences with the brand. However, testimonials are typically basic interviews that function as little more than positive reviews. Case studies are more in-depth and concern the entire process that the customer went through. Basically, it’s a depiction of their buyer journey and how your business helped to fulfill their needs from beginning to end. This allows for an element of storytelling that’s much more engaging

What are the Case Studies Benefits?

Although case studies require a lot more effort to put together than the typical testimonial, it’s well worth the time and resources required. Many businesses will even produce their case studies as video content that their audiences can watch. The following are just a few of the benefits of creating case studies:

Build brand trust

Case studies are extremely effective in building trust because of the very fact that they represent the viewpoint of your previous customers. Instead of you telling your audience how great your brand is and how effective your products or services are, you’re having your customers do it for you. Not only do audiences trust other consumers more than they trust companies, but by allowing your previous customers to tell their stories, they are basically endorsing your brand, which gives your business more credibility.

Engage through storytelling

Simply having customers tell the audience that your product is great is just a basic customer testimonial. It’s not that interesting, nor is it very engaging. Case studies are more concerned with telling the story of the customer. The customer is the hero, their problem is the conflict and your brand’s solution is the resolution. The use of storytelling helps to make a brand much more relatable and will allow your audience to see how you fulfilled that customer’s need at every stage of the buyer journey.

Click here to learn the six C’s of story branding

Identify brand evangelists

To find the subjects of your case studies, you’ll need to speak to several clients or customers and request that they participate. Those that are willing are your brand evangelists. They are offering to tell their story because they believe in your brand. Knowing who your brand evangelists are is helpful because they can help improve your brand reputation through word-of-mouth marketing.

Assist your sales team

Having an assortment of case studies available on your site can be hugely beneficial to your sales team. This is because they can recommend prospects to watch specific case studies of previous customers who may have had similar problems. This, in turn, can help them close deals.

As you can see, case studies can be very beneficial to your marketing efforts. If you are not already using case studies in your business, we encourage you to give them a try. They are a powerful tool that can help you achieve a variety of goals.

Dan Gartlan helps companies of all kinds drive their business initiatives and achieve their goals with strategic marketing programs that deliver results. As President of Stevens & Tate Marketing, he has over 20 years experience across various industries, and continues to share his expertise to build brands nationwide.

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June 27, 2024

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To help simplify your comparison shopping, we’ve gathered details about what SafeTrip travel protection plans cover. Whether you’re headed on an overseas adventure or enjoying a coast-to-coast tour of the United States, SafeTrip offers a unique package of just-in-case coverage and 24/7 support.

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Unique “Queers and Peers Mentorship” program celebrates 3 years at NAIT

Relationship building key to building community on campus and beyond.

Of the many participants of the Queers and Peers Mentorship (QPM) program, the hesitant ones are who Andy King (they/them) tends to appreciate most.

Don’t get them wrong. King has been pleased to see staff members from across NAIT sign up to learn from colleagues about the 2SLGBTQIA+ community at large, and help ensure safe spaces for everyone at the polytechnic to learn and work. But a different kind of success comes when people are willing to shift their perspectives.

“Those folks asked some pretty challenging questions,” says King, customer success team lead with Corporate and Continuing Education who has matched up participants over the years and served as a mentor. In the end, “we got to some common ground, which was really cool.”

Since its inception in 2021 as the only program of its kind in Edmonton, QPM has worked to build community at NAIT by increasing awareness, knowledge and inclusivity. For its efforts, it was recognized in a case study by Toronto-based Pride at Work Canada, an organization dedicated to improving workplace diversity based on gender expression, gender identity and sexual orientation.

“Historically, the workplace has been a challenging environment for 2SLGBTQIA+ individuals,” reads the report. “The QPM program seeks to challenge this status quo by creating a platform for meaningful dialogue and understanding.”

Here, King (who co-chairs the program with NAIT colleague Linden Couteret) explains how that status quo may be changed for the better by co-workers meeting for conversations over coffee.

How it started

QPM has been led by staff from the start, thanks to past NAIT employee Jamie Thiessen ( Human Resources ’20). Thiessen spun the program out of a “human library” project that had run during the previous Pride Month, says King. “It was really born of the desire to continue those relationships and develop deeper ones.”

About 40 mentees enrolled in that first year.

How it works

“It’s pretty casual and hands off,” says King. Mentors and mentees meet at least once a month, however they choose. “We’re trying to encourage people to develop the relationship rather than focus on any specific goals.”

Additionally, the program hosts events during NAIT’s Pride Week each March.

King emphasizes that QPM is confidential; its success depends on participants being vulnerable but not unsafe.

What it’s supposed to do

While the focus is not to achieve goals, there are goals. As described in the case study, ideally mentees will come away with a greater understanding of issues faced by the 2SLGBTQIA+ community, willingness to support, interest in culitvating more welcoming working environments, and more.

Underpinning all of that, King emphasizes, is relationship building. In some cases, they’ve found that a mentee has become a friend, changing the nature of their conversations.

“We didn't really talk about queer stuff that much at the end of the day,” says King.

Why being uncomfortable is OK

While it’s casual and conversational, QPM involves work in the form of emotional labour.

“We're asking for a lot of vulnerability,” says King.

That applies to both mentees and mentors.

Often, mentees worry about saying the wrong thing (and, probably, they will). But that’s part of the process, says King. “A big part of [QPM] is putting yourself in the discomfort and figuring out how to navigate that.”

“We're asking for a lot of vulnerability."

Mentors may have to find their way as well. Tough or awkward questions (or both) can arise from mentees’ efforts to learn.

Nevertheless, says King, “it's a much more pleasant context to be asked questions that I'm asked a lot of time anyways.” What’s more, they can coach mentees into asking their questions as respectfully as possible – and to steer them away from no-go topics, says King, who identifies as non-binary.

“People will get really curious about medical things and stuff like that. That really isn’t anybody else's business.”

Who benefits

Mentees report a variety of benefits, from enjoying a safe space, to ask their questions to greater awareness of the impact of their biases, to developing friendships that will continue to deepen their understanding of the 2SLGBTQIA+ community.

But mentors benefit, too, and for reasons beyond the support that may come of QPM, says King.

The program “[gives] queer folks opportunities to be leaders. That's really important, because those opportunities are sometimes limited.” (As reported by Pride at Work Canada, “After decades of work on diversity, equity, and inclusion in the workplace, 2SLGBTQIA+ communities are still largely underrepresented at leadership levels in corporate Canada. … Pathways to leadership … are often unclear, barriered, or nonexistent.”)

The other benefit, King adds, is hope in the face of the current state of 2SLGBTQIA+ inclusion, safety and well-being, which show continued signs of being compromised. King looks forward to once again seeing perspectives broaden and shift with the next QPM intake in fall 2024.

“That it is so focused on relationships, vulnerability and human connection, there's so much worth in that,” they say. “There's so much opportunity to be angry about stuff right now, and I'm just tired of that.

“This feels much better.”

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• Introduction
• Conclusions
• Article Information

ADHD indicates attention-deficit/hyperactivity disorder; CVD, cardiovascular disease.

a Controls were derived from the same base cohort as the cases; thus, a case with a later date of CVD diagnosis could potentially serve as a control for another case in the study.

Crude odds ratios (ORs) were based on cases and controls matched on age, sex, and calendar time. Adjusted ORs (AORs) were based on cases and controls matched on age, sex, and calendar time and adjusted for country of birth, educational level, somatic comorbidities (type 2 diabetes, obesity, dyslipidemia, and sleep disorders), and psychiatric comorbidities (anxiety disorders, autism spectrum disorder, bipolar disorder, conduct disorder, depressive disorder, eating disorders, intellectual disability, personality disorders, schizophrenia, and substance use disorders).

The solid lines represent the adjusted odds ratios, and the shaded areas represent the 95% CIs. In restricted cubic splines analysis, knots were placed at the 10th, 50th, and 90th percentiles of ADHD medication use.

eTable 1. International Classification of Diseases (ICD) Codes from the Swedish National Inpatient Register

eTable 2. Type of Cardiovascular Disease in Cases

eTable 3. Risk of CVD Associated With ADHD Medication Use Across Different Average Defined Daily Doses

eTable 4. Risk of CVD Associated With Cumulative Duration of Use of Different Types of ADHD Medications

eTable 5. Sensitivity Analyses of CVD Risk Associated With Cumulative Use of ADHD Medications, Based On Different Cohort, Exposure, and Outcome Definitions

eFigure. Risk of CVD Associated With Cumulative Use of ADHD Medications, Stratified by Sex

Data Sharing Statement

• Long-Term ADHD Medications and Cardiovascular Disease Risk JAMA Medical News in Brief December 26, 2023 Emily Harris
• Long-Term Cardiovascular Effects of Medications for ADHD—Balancing Benefits and Risks of Treatment JAMA Psychiatry Editorial February 1, 2024 Samuele Cortese, MD, PhD; Cristiano Fava, MD, PhD

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Zhang L , Li L , Andell P, et al. Attention-Deficit/Hyperactivity Disorder Medications and Long-Term Risk of Cardiovascular Diseases. JAMA Psychiatry. 2024;81(2):178–187. doi:10.1001/jamapsychiatry.2023.4294

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Attention-Deficit/Hyperactivity Disorder Medications and Long-Term Risk of Cardiovascular Diseases

• 1 Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
• 2 Unit of Cardiology, Heart and Vascular Division, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
• 3 School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
• 4 Department of Applied Health Science, School of Public Health, Indiana University, Bloomington
• 5 Department of Psychological and Brain Sciences, Indiana University, Bloomington
• Editorial Long-Term Cardiovascular Effects of Medications for ADHD—Balancing Benefits and Risks of Treatment Samuele Cortese, MD, PhD; Cristiano Fava, MD, PhD JAMA Psychiatry
• Medical News in Brief Long-Term ADHD Medications and Cardiovascular Disease Risk Emily Harris JAMA

Question   Is long-term use of attention-deficit/hyperactivity disorder (ADHD) medication associated with an increased risk of cardiovascular disease (CVD)?

Findings   In this case-control study of 278 027 individuals in Sweden aged 6 to 64 years who had an incident ADHD diagnosis or ADHD medication dispensation, longer cumulative duration of ADHD medication use was associated with an increased risk of CVD, particularly hypertension and arterial disease, compared with nonuse.

Meaning   Findings of this study suggest that long-term exposure to ADHD medications was associated with an increased risk of CVD; therefore, the potential risks and benefits of long-term ADHD medication use should be carefully weighed.

Importance   Use of attention-deficit/hyperactivity disorder (ADHD) medications has increased substantially over the past decades. However, the potential risk of cardiovascular disease (CVD) associated with long-term ADHD medication use remains unclear.

Objective   To assess the association between long-term use of ADHD medication and the risk of CVD.

Design, Setting, and Participants   This case-control study included individuals in Sweden aged 6 to 64 years who received an incident diagnosis of ADHD or ADHD medication dispensation between January 1, 2007, and December 31, 2020. Data on ADHD and CVD diagnoses and ADHD medication dispensation were obtained from the Swedish National Inpatient Register and the Swedish Prescribed Drug Register, respectively. Cases included individuals with ADHD and an incident CVD diagnosis (ischemic heart diseases, cerebrovascular diseases, hypertension, heart failure, arrhythmias, thromboembolic disease, arterial disease, and other forms of heart disease). Incidence density sampling was used to match cases with up to 5 controls without CVD based on age, sex, and calendar time. Cases and controls had the same duration of follow-up.

Exposure   Cumulative duration of ADHD medication use up to 14 years.

Main Outcomes and Measures   The primary outcome was incident CVD. The association between CVD and cumulative duration of ADHD medication use was measured using adjusted odds ratios (AORs) with 95% CIs.

Results   Of 278 027 individuals with ADHD aged 6 to 64 years, 10 388 with CVD were identified (median [IQR] age, 34.6 [20.0-45.7] years; 6154 males [59.2%]) and matched with 51 672 control participants without CVD (median [IQR] age, 34.6 [19.8-45.6] years; 30 601 males [59.2%]). Median (IQR) follow-up time in both groups was 4.1 (1.9-6.8) years. Longer cumulative duration of ADHD medication use was associated with an increased risk of CVD compared with nonuse (0 to ≤1 year: AOR, 0.99 [95% CI, 0.93-1.06]; 1 to ≤2 years: AOR, 1.09 [95% CI, 1.01-1.18]; 2 to ≤3 years: AOR, 1.15 [95% CI, 1.05-1.25]; 3 to ≤5 years: AOR, 1.27 [95% CI, 1.17-1.39]; and >5 years: AOR, 1.23 [95% CI, 1.12-1.36]). Longer cumulative ADHD medication use was associated with an increased risk of hypertension (eg, 3 to ≤5 years: AOR, 1.72 [95% CI, 1.51-1.97] and >5 years: AOR, 1.80 [95% CI, 1.55-2.08]) and arterial disease (eg, 3 to ≤5 years: AOR, 1.65 [95% CI, 1.11-2.45] and >5 years: AOR, 1.49 [95% CI, 0.96-2.32]). Across the 14-year follow-up, each 1-year increase of ADHD medication use was associated with a 4% increased risk of CVD (AOR, 1.04 [95% CI, 1.03-1.05]), with a larger increase in risk in the first 3 years of cumulative use (AOR, 1.08 [95% CI, 1.04-1.11]) and stable risk over the remaining follow-up. Similar patterns were observed in children and youth (aged <25 years) and adults (aged ≥25 years).

Conclusions and Relevance   This case-control study found that long-term exposure to ADHD medications was associated with an increased risk of CVDs, especially hypertension and arterial disease. These findings highlight the importance of carefully weighing potential benefits and risks when making treatment decisions about long-term ADHD medication use. Clinicians should regularly and consistently monitor cardiovascular signs and symptoms throughout the course of treatment.

Attention-deficit/hyperactivity disorder (ADHD) is a common psychiatric disorder characterized by developmentally inappropriate inattentiveness, impulsivity, and hyperactivity. 1 , 2 Pharmacological therapy, including both stimulants and nonstimulants, is recommended as the first-line treatment for ADHD in many countries. 1 , 3 The use of ADHD medication has increased greatly in both children and adults during the past decades. 4 Although the effectiveness of ADHD medications has been demonstrated in randomized clinical trials (RCTs) and other studies, 5 , 6 concerns remain regarding their potential cardiovascular safety. 7 Meta-analyses of RCTs have reported increases in heart rate and blood pressure associated with both stimulant and nonstimulant ADHD medications. 5 , 7 - 9

As RCTs typically evaluate short-term effects (average treatment duration of 75 days), 7 it remains uncertain whether and to what extent the increases in blood pressure and heart rate associated with ADHD medication lead to clinically significant cardiovascular disease (CVD) over time. Longitudinal observational studies 10 - 12 examining the association between ADHD medication use and serious cardiovascular outcomes have emerged in recent years, but the findings have been mixed. A meta-analysis 13 of observational studies found no statistically significant association between ADHD medication and risk of CVD. However, the possibility of a modest risk increase cannot be ruled out due to several methodological limitations in these studies, including confounding by indication, immortal time bias, and prevalent user bias. Additionally, most of these studies had an average follow-up time of no more than 2 years. 13 , 14 Thus, evidence regarding the long-term cardiovascular risk of ADHD medication use is still lacking.

Examining the long-term cardiovascular risk associated with ADHD medicine use is clinically important given that individuals with a diagnosis of ADHD, regardless of whether they receive treatment, face an elevated risk of CVD. 15 Additionally, a substantial proportion of young individuals with ADHD continues to have impairing symptoms in adulthood, 16 necessitating prolonged use of ADHD medication. Notably, studies have indicated a rising trend in the long-term use of ADHD medications, with approximately half of individuals using ADHD medication for over 5 years. 17 Furthermore, evidence is lacking regarding how cardiovascular risk may vary based on factors such as type of CVD, type of ADHD medication, age, and sex. 13 Therefore, there is a need for long-term follow-up studies to address these knowledge gaps and provide a more comprehensive understanding of the cardiovascular risks associated with ADHD medication use. This information is also crucial from a public health perspective, particularly due to the increasing number of individuals receiving ADHD medications worldwide. 4

This study aimed to assess the association between cumulative use of ADHD medication up to 14 years and the risk of CVD by using nationwide health registers in Sweden. We hypothesized that longer cumulative use of ADHD medication would be associated with increased CVD risk. In addition, we aimed to examine whether the associations differ across types of ADHD medication, types of CVD, sex, and age groups.

We used data from several Swedish nationwide registers linked through unique personal identification numbers. 18 Diagnoses were obtained from the National Inpatient Register, 19 which contains data on inpatient diagnoses since 1973 and outpatient diagnoses since 2001. Information on prescribed medications was retrieved from the Swedish Prescribed Drug Register, which contains all dispensed medications in Sweden since July 2005 and includes information on drug identity based on the Anatomical Therapeutic Chemical (ATC) classification, 20 dispensing dates, and free-text medication prescriptions. Socioeconomic factors were obtained from the Longitudinal Integrated Database for Health Insurance and Labour Market studies. 21 Information on death was retrieved from the Swedish Cause of Death Register, 22 which contains information on all deaths since 1952. The study was approved by the Swedish Ethical Review Authority. Informed patient consent is not required for register-based studies in Sweden. The study followed the Reporting of Studies Conducted Using Observational Routinely Collected Health Data–Pharmacoepidemiological Research ( RECORD-PE ) guideline. 23

We conducted a nested case-control study of all individuals residing in Sweden aged 6 to 64 years who received an incident diagnosis of ADHD or ADHD medication dispensation 15 between January 1, 2007, and December 31, 2020. The diagnosis of ADHD ( International Statistical Classification of Diseases and Related Health Problems, Tenth Revision [ ICD-10 ] code F90) was identified from the National Inpatient Register. Incident ADHD medication dispensation was identified from the Swedish Prescribed Drug Register and was defined as a dispensation after at least 18 months without any ADHD medication dispensation. 24 Baseline (ie, cohort entry) was defined as the date of incident ADHD diagnosis or ADHD medication dispensation, whichever came first. Individuals with ADHD medication prescriptions for indications other than ADHD 25 and individuals who emigrated, died, or had a history of CVD before baseline were excluded from the study. The cohort was followed until the case index date (ie, the date of CVD diagnosis), death, migration, or the study end date (December 31, 2020), whichever came first.

Within the study cohort, we identified cases as individuals with an incident diagnosis of any CVD (including ischemic heart diseases, cerebrovascular diseases, hypertension, heart failure, arrhythmias, thromboembolic disease, arterial disease, and other forms of heart disease; eTable 1 in Supplement 1 ) during follow-up. For each case, the date of their CVD diagnosis was assigned as the index date. Using incidence density sampling, 26 up to 5 controls without CVD were randomly selected for each case from the base cohort of individuals with ADHD. The matching criteria included age, sex, and calendar time, ensuring that cases and controls had the same duration of follow-up from baseline to index date. Controls were eligible for inclusion if they were alive, living in Sweden, and free of CVD at the time when their matched case received a diagnosis of CVD, with the index date set as the date of CVD diagnosis of the matched case ( Figure 1 ). Controls were derived from the same base cohort as the cases. Thus, a case with a later date of CVD diagnosis could potentially serve as a control for another case in the study. 26

The main exposure was cumulative duration of ADHD medication use, which included all ADHD medications approved in Sweden during the study period, including stimulants (methylphenidate [ATC code N06BA04], amphetamine [ATC code N06BA01], dexamphetamine [ATC code N06BA02], and lisdexamfetamine [ATC code N06BA12]) as well as nonstimulants (atomoxetine [ATC code N06BA09] and guanfacine [ATC code C02AC02]). Duration of ADHD medication use was derived from a validated algorithm that estimates treatment duration from free text in prescription records. 25 The cumulative duration of ADHD medication use was calculated by summing all days covered by ADHD medication between baseline and 3 months prior to the index date. The last 3 months before the index date were excluded to reduce reverse causation, as clinicians’ perception of potential cardiovascular risks may influence ADHD medication prescription. This time window was chosen because routine psychiatric practice in Sweden limits a prescription to a maximum 3 months at a time. 27 Individuals with follow-up of less than 3 months were excluded.

We conducted conditional logistic regression analyses to estimate odds ratios (ORs) for the associations between cumulative durations of ADHD medication use and incident CVD. Crude ORs were adjusted for all matching variables (age, sex, and calendar time) by design. Adjusted ORs (AORs) were additionally controlled for country of birth (Sweden vs other), highest educational level (primary or lower secondary, upper secondary, postsecondary or postgraduate, or unknown; individuals aged <16 years were included as a separate category), and diagnoses of somatic (type 2 diabetes, obesity, dyslipidemia, and sleep disorders) and psychiatric comorbidities (anxiety disorders, autism spectrum disorder, bipolar disorder, conduct disorder, depressive disorder, eating disorders, intellectual disability, personality disorders, schizophrenia, and substance use disorders; eTable 1 in Supplement 1 ) before baseline. The association between cumulative ADHD medication use and incident CVD was assessed using both continuous and categorical measures (no ADHD medication use, 0 to ≤1, 1 to ≤2, 2 to ≤3, 3 to ≤5, and >5 years). To capture potential nonlinear associations, we used restricted cubic splines to examine ADHD medication use as a continuous measure throughout follow-up. 28 The associations were examined in the full sample and stratified by age at baseline, that is, children or youth (<25 years old) and adults (≥25 years old). Furthermore, to evaluate the association with dosage of ADHD medication, we estimated the risk of CVD associated with each 1-year increase in use of ADHD medication across different dosage groups categorized by the average defined daily dose (DDD; for instance, 1 DDD of methylphenidate equals 30 mg) during follow-up. 29

In subgroup analyses, we examined the associations between ADHD medication use and specific CVDs, including arrhythmias, arterial disease, cerebrovascular disease, heart failure, hypertension, ischemic heart disease, and thromboembolic disease (eTable 1 in Supplement 1 ). Additionally, we investigated the associations with CVD risk for the most commonly prescribed ADHD medications in Sweden, ie, methylphenidate, lisdexamfetamine, and atomoxetine, while adjusting for other ADHD medication use. We also examined sex-specific associations.

To further examine the robustness of our findings, we conducted 4 sensitivity analyses. First, we restricted the sample to ever users of ADHD medication to reduce unmeasured confounding between ADHD medication users and nonusers. Second, we assessed ADHD medication exposure over the entire follow-up period without excluding the 3 months prior to the index date. Third, to capture fatal cardiovascular events, we additionally included death by CVD in the outcome definition. Finally, we constructed a conditional logistic regression model that adjusted for propensity scores of ADHD medication use. Data management was performed using SAS, version 9.4 (SAS Institute Inc) and all analyses were performed using R, version 4.2.3 (R Foundation for Statistical Computing).

The study cohort consisted of 278 027 individuals with ADHD aged 6 to 64 years. The incidence rate of CVD was 7.34 per 1000 person-years. After applying exclusion criteria and matching, the analysis included 10 388 cases (median [IQR] age at baseline, 34.6 (20.0-45.7) years; 6154 males [59.2%] and 4234 females [40.8%]) and 51 672 matched controls (median [IQR] age at baseline, 34.6 [19.8-45.6] years; 30 601 males [59.2%] and 21 071 females [40.8%]) ( Figure 1 and Table 1 ). Median (IQR) follow-up in both groups was 4.1 (1.9-6.8) years. Among the controls, 3363 had received a CVD diagnosis after their index dates. The most common types of CVD in cases were hypertension (4210 cases [40.5%]) and arrhythmias (1310 cases [12.6%]; eTable 2 in Supplement 1 ). Table 1 presents the sociodemographic information and somatic and psychiatric comorbidities in cases and controls. In general, cases had higher rates of somatic and psychiatric comorbidities and a lower level of educational attainment compared with controls.

A similar proportion of cases (83.9%) and controls (83.5%) used ADHD medication during follow-up, with methylphenidate being the most commonly dispensed type, followed by atomoxetine and lisdexamfetamine. Longer cumulative duration of ADHD medication use was associated with an increased risk of CVD compared with nonuse (0 to ≤1 year: AOR, 0.99 [95% CI, 0.93-1.06]; 1 to ≤2 years: AOR, 1.09 [95% CI, 1.01-1.18]; 2 to ≤3 years: AOR, 1.15 [95% CI, 1.05-1.25]; 3 to ≤5 years: AOR, 1.27 [95% CI, 1.17-1.39]; and >5 years: AOR, 1.23 [95% CI, 1.12-1.36]) ( Figure 2 ). The restricted cubic spline model suggested a nonlinear association, with the AORs increasing rapidly for the first 3 cumulative years of ADHD medication use and then becoming stable thereafter ( Figure 3 ). Throughout the entire follow-up, each 1-year increase in the use of ADHD medication was associated with a 4% increased risk of CVD (AOR, 1.04 [95% CI, 1.03-1.05]), and the corresponding increase for the first 3 years was 8% (AOR, 1.08 [95% CI, 1.04-1.11]). We observed similar results when examining children or youth and adults separately ( Figure 2 ). The restricted cubic spline model suggested a similar nonlinear association, with higher AORs in children or youth than in adults, but the 95% CIs largely overlapped ( Figure 3 ). Furthermore, similar associations were observed for females and males (eFigure in Supplement 1 ). The dosage analysis showed that the risk of CVD associated with each 1 year of ADHD medication use increased with higher average DDDs. The risk was found to be statistically significant only among individuals with a mean dose of at least 1.5 times the DDD (eTable 3 in Supplement 1 ). For example, among individuals with a mean DDD of 1.5 to 2 or less (eg, for methylphenidate, 45 to ≤60 mg), each 1-year increase in ADHD medication use was associated with a 4% increased risk of CVD (AOR, 1.04 [95% CI, 1.02-1.05]). Among individuals with a mean DDD >2 (eg, for methylphenidate >60 mg), each 1-year increase in ADHD medication use was associated with 5% increased risk of CVD (AOR, 1.05 [95% CI, 1.03-1.06]).

When examining the risk for specific CVDs, we found that long-term use of ADHD medication (compared with no use) was associated with an increased risk of hypertension (AOR, 1.72 [95% CI, 1.51-1.97] for 3 to ≤5 years; AOR, 1.80 [95% CI 1.55-2.08] for >5 years) ( Table 2 ), as well as arterial disease (AOR, 1.65 [95% CI, 1.11-2.45] for 3 to ≤5 years; AOR, 1.49 [95% CI 0.96-2.32] for >5 years). However, we did not observe any statistically significant increased risk for arrhythmias, heart failure, ischemic heart disease, thromboembolic disease, or cerebrovascular disease ( Table 2 ). Furthermore, long-term use of methylphenidate (compared with no use) was associated with an increased risk of CVD (AOR, 1.20 [95% CI, 1.10-1.31] for 3 to ≤5 years; AOR, 1.19 [95% CI, 1.08-1.31]) for >5 years; eTable 4 in Supplement 1 ). Compared with no use, lisdexamfetamine was also associated with an elevated risk of CVD (AOR, 1.23 [95% CI, 1.05-1.44] for 2 to ≤3 years; AOR, 1.17 [95% CI, 0.98-1.40] for >3 years), while the AOR for atomoxetine use was significant only for the first year of use (1.07 [95% CI 1.01-1.13]; eTable 4 in Supplement 1 ).

In sensitivity analyses, we observed a similar pattern of estimates when the analysis was restricted to ever users of ADHD medications. Significantly increased risk of CVD was found when comparing ADHD medication use for 1 year or less with use for 3 to 5 or less years (AOR, 1.28 (95% CI, 1.18-1.38) or for use for more than 5 years (AOR, 1.24 [95% CI, 1.13-1.36]) (eTable 5 in Supplement 1 ). When assessing ADHD medication use across the entire follow-up period, and compared with no use, the pattern of estimates was similar to the main analysis (3 to ≤5 years: AOR, 1.28 [95% CI, 1.18-1.39]; >5 years: AOR, 1.25 [95% CI, 1.14-1.37]) (eTable 5 in Supplement 1 ). The analysis that included cardiovascular death as a combined outcome also had results similar to the main analysis. Moreover, when adjusting for propensity scores of ADHD medication use, the findings remained consistent (eTable 5 in Supplement 1 ).

This large, nested case-control study found an increased risk of incident CVD associated with long-term ADHD medication use, and the risk increased with increasing duration of ADHD medication use. This association was statistically significant both for children and youth and for adults, as well as for females and males. The primary contributors to the association between long-term ADHD medication use and CVD risk was an increased risk of hypertension and arterial disease. Increased risk was also associated with stimulant medication use.

We found individuals with long-term ADHD medication use had an increased risk of incident CVD in a dose-response manner in the first 3 years of cumulative ADHD medication use. To our knowledge, few previous studies have investigated the association between long-term ADHD medication use and the risk of CVD with follow-up of more than 2 years. 13 The only 2 prior studies with long-term follow-up (median, 9.5 and 7.9 years 30 , 31 ) found an average 2-fold and 3-fold increased risk of CVD with ADHD medication use compared with nonuse during the study period, yet 1 of the studies 30 included only children, and participants in the other study 31 were not the general population of individuals with ADHD (including those with ADHD and long QT syndrome). Furthermore, both studies were subject to prevalent user bias. Results from the current study suggest that the CVD risk associated with ADHD medication use (23% increased risk for >5 years of ADHD medication use compared with nonuse) is lower than previously reported. 30 , 31 Furthermore, we observed that the increased risk stabilized after the first several years of medication use and persisted throughout the 14-year follow-up period.

The association between ADHD medication use and CVD was significant for hypertension and arterial disease, while no significant association was observed with other types of cardiovascular events. To our knowledge, only 1 previous study 12 has examined the association between ADHD medication use and clinically diagnosed hypertension, and it found an increased risk, although the increase was not statistically significant. Furthermore, increased blood pressure associated with ADHD medication use has been well documented. 7 , 9 One study 32 found that blood pressure was mainly elevated during the daytime, suggesting that the cardiovascular system may recover at night. However, the cross-sectional nature of that study cannot preclude a long-term risk of clinically diagnosed hypertension associated with ADHD medication use. We also identified an increased risk for arterial disease. To date, no previous study has explored the association between ADHD medication use and arterial disease. A few studies have reported that ADHD medication may be associated with changes in serum lipid profiles, but the results were not consistent. 33 , 34 Further research is needed on the potential implications of ADHD medications for individuals’ lipid profiles. We did not observe any association between ADHD medication use and the risk of arrhythmias. A recent systematic review of observational studies of ADHD medication use reported an elevated risk of arrhythmias, but the finding was not statistically significant. 13 A review of RCTs also found that the use of stimulants was associated with an average increase in heart rate of 5.7 beats/min, 9 but no evidence of prolonged QT interval or tachycardia was found based on electrocardiograms. 7 Additionally, it is worth noting that some individuals receiving ADHD medications might be prescribed antiarrhythmic β-blockers to alleviate palpitation symptoms, thus potentially attenuating an association between ADHD medications and arrhythmias. Nevertheless, the absence of an association between ADHD medication use and clinically diagnosed arrhythmias in the present study does not rule out an increased risk for mild arrhythmias or subclinical symptoms, as palpitations and sinus tachycardia are not routinely coded as arrhythmia diagnoses. Further research is necessary to replicate our findings.

Regarding types of ADHD medication, findings of the present study suggest that increasing cumulative durations of methylphenidate and lisdexamfetamine use were associated with incident CVD, while the associations for atomoxetine were statistically significant only for the first year of use. Previous RCTs have reported increased blood pressure and heart rate with methylphenidate, lisdexamfetamine, and atomoxetine, 5 , 35 , 36 but the mechanisms behind these adverse effects are still a topic of debate; there might be differences in cardiovascular adverse effects in stimulants vs nonstimulants. 37

We found that the association between cumulative duration of ADHD medication use and CVD was similar in females and males. Previous investigations exploring sex-specific association found higher point estimates in females, although the differences were not statistically significant. 13 Research has indicated that females diagnosed with ADHD may demonstrate different comorbidity patterns and potentially have different responses to stimulant medications compared with males. 38 - 40 Therefore, additional studies are needed to explore and better understand the potential sex-specific differences in cardiovascular responses to ADHD medications.

A strength of this study is that data on ADHD medication prescriptions and CVD diagnoses were recorded prospectively, so the results were not affected by recall bias. The findings should, however, be interpreted in the context of several limitations. First, our approach for identification of patients with CVD was based on recorded diagnoses and there could be under ascertainment of cardiovascular diagnoses in the registers used. This means that some controls may have had undiagnosed CVD that did not yet require medical care, which would tend to underestimate associations between ADHD medication use and CVD. Second, exposure misclassification may have occurred if patients did not take their medication as prescribed. This misclassification, if nondifferential, would tend to reduce ORs such that the estimates we observed were conservative. Third, while we accounted for a wide range of potential confounding variables, considering the observational nature of the study and the possibility of residual confounding, we could not prove causality. It is possible that the association observed might have been affected by time-varying confounders. For example, other psychotropic medications and lifestyle factors could have affected both ADHD medication use and the occurrence of cardiovascular events. 41 , 42 Confounding by ADHD severity is also a potential factor to consider, as individuals with more severe ADHD symptoms may have more comorbidities and a less healthy lifestyle, which could affect the risk of CVD. Fourth, the study did not examine the risk of CVD among individuals with preexisting CVD. Individuals with preexisting CVD represent a distinct clinical group that requires careful monitoring; thus, evaluating the risk among them necessitates a different study design that carefully considers the potential impact of prior knowledge and periodic monitoring. Finally, the results by type of ADHD medication and type of CVD need to be replicated by studies with larger sample sizes.

The results of this population-based case-control study with a longitudinal follow-up of 14 years suggested that long-term use of ADHD medication was associated with an increased risk of CVD, especially hypertension and arterial disease, and the risk was higher for stimulant medications. These findings highlight the importance of carefully weighing potential benefits and risks when making treatment decisions on long-term ADHD medication use. Clinicians should be vigilant in monitoring patients, particularly among those receiving higher doses, and consistently assess signs and symptoms of CVD throughout the course of treatment. Monitoring becomes even more crucial considering the increasing number of individuals engaging in long-term use of ADHD medication.

Accepted for Publication: August 29, 2023.

Published Online: November 22, 2023. doi:10.1001/jamapsychiatry.2023.4294

Open Access: This is an open access article distributed under the terms of the CC-BY License . © 2023 Zhang L et al. JAMA Psychiatry .

Corresponding Authors: Zheng Chang, PhD ( [email protected] ) and Le Zhang, PhD ( [email protected] ), Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Nobels väg 12A, 171 65 Stockholm, Sweden.

Author Contributions: Dr Zhang and Prof Chang had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.

Concept and design: Zhang, Johnell, Larsson, Chang.

Acquisition, analysis, or interpretation of data: Zhang, Li, Andell, Garcia-Argibay, Quinn, D'Onofrio, Brikell, Kuja-Halkola, Lichtenstein, Johnell, Chang.

Drafting of the manuscript: Zhang.

Critical review of the manuscript for important intellectual content: All authors.

Statistical analysis: Zhang, Li.

Obtained funding: Larsson, Chang.

Administrative, technical, or material support: Garcia-Argibay, D'Onofrio, Kuja-Halkola, Lichtenstein, Chang.

Supervision: Andell, Lichtenstein, Johnell, Larsson, Chang.

Conflict of Interest Disclosures: Dr Larsson reported receiving grants from Takeda Pharmaceuticals and personal fees from Takeda Pharmaceuticals, Evolan, and Medici Medical Ltd outside the submitted work. No other disclosures were reported.

Funding/Support: This study was supported by grants from the Swedish Research Council for Health, Working Life, and Welfare (2019-01172 and 2022-01111) (Dr Chang) and the European Union’s Horizon 2020 research and innovation program under grant agreement 965381 (Dr Larsson).

Role of the Funder/Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.

Data Sharing Statement: See Supplement 2 .

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Global State of Pet Care Stats, Facts and Trends

Published in sept 2022.

• 1 pet population
• 2 pet health
• 3 veterinary care
• 4 securing a healthy future
• Pet Population
• Veterinary Care
• Securing A Healthy Future

Global Trends in the Pet Population

What you need to know, click the key points below for more information on the topic, there are likely over a billion pets worldwide.

Families in the U.S., Brazil, EU and China alone account for over half a billion dogs and cats, while more than half the world is estimated to have a pet at home.

Pet ownership is rising globally,

particularly in millennial households, which tend to be smaller families and have children later in life.

Expanding middle class is driving pet population growth

in emerging markets.

Pet ownership leads to improved human health outcomes

for people including better heart health, lower levels of depression and anxiety, and more.

Pet ownership

The ownership of cats and dogs has been steadily increasing across the globe, including in emerging economies..

How many pets are there in the world?

Sources 1 https://europeanpetfood.org/about/statistics/ , 2 https://www.prnewswire.com/news-releases/frost–sullivan-chinese-pet-owners-spend-an-average-of-rmb3-969-per-year-300823597.html , 3 https://www.avma.org/blog/pet-populations-are-way

Sources 4 https://www.avma.org/blog/pet-populations-are-way , 5 https://www.prnewswire.com/news-releases/frost–sullivan-chinese-pet-owners-spend-an-average-of-rmb3-969-per-year-300823597.html , 6 https://www.zzf.de/presse/meldungen/meldungen/article/trend-zum-heimtier-haelt-auch-2020-an.html , 7 http://abinpet.org.br/infos_gerais/ , 8 https://enelveterinario.com/wp-content/uploads/2018/11/Informe-sectorial-2017.pdf , 9 https://www.facco.fr/population-animale/ , 10 https://europeanpetfood.org/about/statistics/ , 11 https://www.flandersinvestmentandtrade.com/export/sites/trade/files/market_studies/Pet%20food%20market%20Thailand.pdf , 12 https://animalmedicinesaustralia.org.au/wp-content/uploads/2021/08/AMAU005-PATP-Report21_v1.41_WEB.pdf , 13 https://www.pfma.org.uk/statistics , 14 https://www.kodami.it/rapporto-assalco-zoomark-2020-un-animale-in-ogni-famiglia-italiana/ , 15 https://www.senado.gob.mx/64/gaceta_del_senado/documento/86584 , 16 https://cahi-icsa.ca/news/2020-canadian-pet-population-figures-released , 17 https://apps.fas.usda.gov/newgainapi/api/Report/DownloadReportByFileName?fileName=Pet%20Food%20Market%20in%20Japan_Osaka%20ATO_Japan_01-31-2021 , 18 https://europeanpetfood.org/about/statistics/ , 19 https://europeanpetfood.org/about/statistics / , 20 https://www.iiptf.in/petbusiness/whyindia.html , 21 http://www.scielo.org.za/pdf/jsava/v91n1/06.pdf

How many people own a pet?

Billions of households around the world are unified by a common theme – pet ownership. Sharing your home with a pet is a common language that cuts across country and culture.

More than half of the global population is estimated to have a pet at home. 22 https://www.gfk.com/insights/mans-best-friend-global-pet-ownership-and-feeding-trends

Families in the U.S., EU and China alone have over half a billion dogs and cats.

In the U.S., 70 percent of households owned a pet as of 2021 compared to 68 percent in 2016. 23 https://www.americanpetproducts.org/press_releasedetail.asp?id=1242 https://www.mceldrewyoung.com/wp-content/uploads/2018/08/2017-2018-Pet-Survey.pdf

Globally, dogs are the most popular pet, present in around one in three homes. Almost a quarter of pet owners have a cat. 24 https://www.gfk.com/insights/mans-best-friend-global-pet-ownership-and-feeding-trends

Pet Population Growth

The evidence is clear – pet populations worldwide are rising and there is little indication it will slow down anytime soon., why is pet ownership on the rise.

Demographic changes, rising income levels and the Covid-19 pandemic have driven more people to adopt pets.

• More than two million people adopted a pet during the UK’s pandemic lockdowns, while in Australia over a million pets were adopted during the height of the pandemic.

Read our ‘ Impact of Covid-19 ‘ case study to see how the pandemic has increased pet ownership levels in Australia.

“There has been a huge change in the culture of pet ownership, and this will also occur in emerging markets – South-East / South Asia, Central Asia, Sub-Saharan Africa, Eastern Europe.” Dr Shane Ryan, Veterinarian and Past President, World Small Animal Veterinary Association

What are the emerging markets for pet ownership?

Growth is most evident in those countries which are witnessing the expansion of the “middle class”, which is also contributing to shifting attitudes and the emergence of a new “pet culture” based around the increased humanization of pets and increased number of pets kept for companionship alone.

In China, a relaxation of pet ownership regulations and a falling birth rate are additional contributors to an increase in pet ownership. Pet ownership increased 113% between 2014 and 2019, and by 2024, experts estimate China will have the most pets in the world. 25 https://www.bloomberg.com/news/articles/2019-12-04/china-spends-29-billion-on-pampering-pets-as-birthrate-slows Elsewhere in Asia, pet ownership in South Korea grew from 5 million to 7.5 million between 2014 and 2018, representing 50% growth. 26 https://www.petfairasia.com/en/asia-markets/south-korea-pet-market/

“Pet ownership has a lot to do with disposable income. Because of that, fast-advancing countries, like the Asian countries, but also Eastern Europe will certainly see further increase of pet ownership.” Dr. Wolfgang Dohne, Veterinarian and Senior Vice President, Federation of European Companion Animal Veterinary Associations

What age groups are driving pet population growth?

Trends in pet ownership are closely linked to global demographic changes.

• Millennials, adults between their early 20s and late 30s, represent a growing constituency of pet owners as they are more likely to have children later in life, work from home or in hybrid formats and have a higher income and level of education.

Early analysis also shows that Gen Z, despite their young age, represents a growing segment of pet owners (14% in the U.S.) and may accelerate the ‘pet boom.’ 27 https://www.americanpetproducts.org/press_releasedetail.asp?id=1242

In the United States, millennials now account for a third of all pet owners.

“The really emerging demographic is the millennial couple first-time pet owners. Before having a child, they’re going to adopt a pet. That’s the training wheels for them to become parents.” Alex Douzet, CEO, Pumpkin Pet Insurance, U.S.

What challenges can the growing pet population create?

More people are recognising and enjoying the positive benefits of companion animals but this also brings animal health issues to the fore.

• A growing pet population means a greater need for veterinary care. Almost half of all clinics reported an increase in their caseloads in a recent 91-country survey.

A growing global pet population means an increase in veterinary caseloads. Almost half of practices reported an increase in a 91-country survey.

Pet abandonments are also on the rise. Up to eight million animals enter rescue shelters every year in the U.S., with about half of these eventually euthanized. 28 https://bmcvetres.biomedcentral.com/articles/10.1186/s12917-020-02728-2

However, industry data found that fears of a ‘pet abandonment’ crisis following the pandemic pet boom has not come to fruition. Rehoming levels were actually down in 2021 vs 2019, both in real figures and as a proportion of animal populations. 29 Data from PetPoint https://www.petpoint.com /

The Human-Animal Bond

Studies have shown time and time again – pet ownership leads to better health outcomes for people. this is the one health power of pets..

What health benefits do pets provide to people?

Pet ownership provides a range of therapeutic, physiological, psychological, and psychosocial benefits to owners. 30 https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0122085#sec005 These include:

• Decreased blood pressure.
• Reduced risk of heart attacks.
• Increased physical activity.
• Increased sensory stimulation, emotional support.
• A stronger sense of physical and psychological well-being.

Pet ownership has also been strongly linked with a reduction in healthcare costs in the U.S., contributing to fewer visits to doctors and improved general health. 31 https://habri.org/pressroom/20151214

Studies have also shown that these benefits remain even when adjusted for demographic, socioeconomic factors, education, medication use, etc., 32 https://www.ahajournals.org/doi/10.1161/CIRCOUTCOMES.119.005887 showing that the link between pet ownership and better health is persistent and strong. Healthy pets contribute to our health. That is the ‘One Health’ power of these pets.

“Pets are healthier and well cared for because their status has changed…as we’re more attuned to our own wellness, it translates to those we love around us.” Dr Siraya Chunekamrai, President, World Small Animal Veterinary Association

Why do pets improve our health?

Researchers attribute the clear link between pet ownership and improved health to: 33 https://www.ahajournals.org/doi/10.1161/CIRCOUTCOMES.119.005887

Increased levels of outdoor physical activity that often accompany pet ownership (e.g. regular dog walking).

The sustained mental health benefits brought on by pet companionship.

Greater exposure to germs that can ‘favourably alter the gut microbiome of an owner’.

This is why the American Heart Association has stated that dog ownership “may have some causal role in reducing cardiovascular disease risk” and “may be reasonable for reduction in cardiovascular disease risk”. 34 https://www.ahajournals.org/doi/10.1161/CIR.0b013e31829201e1

Case Study – The Impact of Covid-19

The Covid-19 pandemic has had a significant impact on pet ownership, as shown in recent research by Animal Medicines Australia. There has been a steady rise in pet ownership in the country, with the number of Australian households owning pets having increased from 61 percent in 2019, to 69 percent in 2021. This means the total number of pets in Australia has increased from 28.5 million in 2019 to 30.4 million in 2021.

Millions of Australians decided to adopt a pet during the pandemic, adding more than a million dogs to the total pet population , rising from 5.1 million owned dogs in 2019 to 6.34 million in 2021. The pandemic has been a key motivator for pet ownership, with 19 percent of dogs and 24 percent of all cats owned by Australians acquired since the beginning of the pandemic.

New owners stated that owning a new pet during the pandemic was not a spontaneous decision , however, but that pandemic restrictions had helped to “on-board” a pet that they had previously wanted, such as through greater time spent at home, for instance.

Source: https://animalmedicinesaustralia.org.au/report/pets-and-the-pandemic-a-social-research-snapshot-of-pets-and-people-in-the-covid-19-era-2/

Explore the other areas of the report

Acknowledgements.

This report is produced by HealthforAnimals, the global animal health association, and was informed by interviews with experts in the pet world. We thank the following people for their participation: Alex Douzet, Dana Brooks, Edival Santos, Lawson Cairns, Leonardo Brandao, Marie-Jose Enders, Siraya Chunkekamrai, Shane Ryan and Wolfgang Dohne. The information in this report focuses on dogs and cats as these are the overwhelming majority of pets, although other animals such as horses, birds and fish can be pets as well.

• 1 https://europeanpetfood.org/about/statistics/
• 2 https://www.prnewswire.com/news-releases/frost–sullivan-chinese-pet-owners-spend-an-average-of-rmb3-969-per-year-300823597.html
• 3 https://www.avma.org/blog/pet-populations-are-way
• 4 https://www.avma.org/blog/pet-populations-are-way
• 5 https://www.prnewswire.com/news-releases/frost–sullivan-chinese-pet-owners-spend-an-average-of-rmb3-969-per-year-300823597.html
• 6 https://www.zzf.de/presse/meldungen/meldungen/article/trend-zum-heimtier-haelt-auch-2020-an.html
• 7 http://abinpet.org.br/infos_gerais/
• 8 https://enelveterinario.com/wp-content/uploads/2018/11/Informe-sectorial-2017.pdf
• 9 https://www.facco.fr/population-animale/
• 10 https://europeanpetfood.org/about/statistics/
• 11 https://www.flandersinvestmentandtrade.com/export/sites/trade/files/market_studies/Pet%20food%20market%20Thailand.pdf
• 12 https://animalmedicinesaustralia.org.au/wp-content/uploads/2021/08/AMAU005-PATP-Report21_v1.41_WEB.pdf
• 13 https://www.pfma.org.uk/statistics
• 14 https://www.kodami.it/rapporto-assalco-zoomark-2020-un-animale-in-ogni-famiglia-italiana/
• 15 https://www.senado.gob.mx/64/gaceta_del_senado/documento/86584
• 16 https://cahi-icsa.ca/news/2020-canadian-pet-population-figures-released
• 17 https://apps.fas.usda.gov/newgainapi/api/Report/DownloadReportByFileName?fileName=Pet%20Food%20Market%20in%20Japan_Osaka%20ATO_Japan_01-31-2021
• 18 https://europeanpetfood.org/about/statistics/
• 19 https://europeanpetfood.org/about/statistics /
• 20 https://www.iiptf.in/petbusiness/whyindia.html
• 21 http://www.scielo.org.za/pdf/jsava/v91n1/06.pdf
• 22 https://www.gfk.com/insights/mans-best-friend-global-pet-ownership-and-feeding-trends
• 23 https://www.americanpetproducts.org/press_releasedetail.asp?id=1242 https://www.mceldrewyoung.com/wp-content/uploads/2018/08/2017-2018-Pet-Survey.pdf
• 24 https://www.gfk.com/insights/mans-best-friend-global-pet-ownership-and-feeding-trends
• 25 https://www.bloomberg.com/news/articles/2019-12-04/china-spends-29-billion-on-pampering-pets-as-birthrate-slows
• 26 https://www.petfairasia.com/en/asia-markets/south-korea-pet-market/
• 27 https://www.americanpetproducts.org/press_releasedetail.asp?id=1242
• 28 https://bmcvetres.biomedcentral.com/articles/10.1186/s12917-020-02728-2
• 29 Data from PetPoint https://www.petpoint.com /
• 30 https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0122085#sec005
• 31 https://habri.org/pressroom/20151214
• 32 https://www.ahajournals.org/doi/10.1161/CIRCOUTCOMES.119.005887
• 33 https://www.ahajournals.org/doi/10.1161/CIRCOUTCOMES.119.005887
• 34 https://www.ahajournals.org/doi/10.1161/CIR.0b013e31829201e1