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  • 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.

Case study examples
Research question Case study
What are the ecological effects of wolf reintroduction? Case study of wolf reintroduction in Yellowstone National Park
How do populist politicians use narratives about history to gain support? Case studies of Hungarian prime minister Viktor Orbán and US president Donald Trump
How can teachers implement active learning strategies in mixed-level classrooms? Case study of a local school that promotes active learning
What are the main advantages and disadvantages of wind farms for rural communities? Case studies of three rural wind farm development projects in different parts of the country
How are viral marketing strategies changing the relationship between companies and consumers? Case study of the iPhone X marketing campaign
How do experiences of work in the gig economy differ by gender, race and age? Case studies of Deliveroo and Uber drivers in London

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a case study meaning

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.

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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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Research Method

Home » Case Study – Methods, Examples and Guide

Case Study – Methods, Examples and Guide

Table of Contents

Case Study Research

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.

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What Is a Case Study?

Weighing the pros and cons of this method of research

Verywell / Colleen Tighe

  • Pros and Cons

What Types of Case Studies Are Out There?

Where do you find data for a case study, how do i write a psychology case study.

A case study is an in-depth study of one person, group, or event. In a case study, nearly every aspect of the subject's life and history is analyzed to seek patterns and causes of behavior. Case studies can be used in many different fields, including psychology, medicine, education, anthropology, political science, and social work.

The point of a case study is to learn as much as possible about an individual or group so that the information can be generalized to many others. Unfortunately, case studies tend to be highly subjective, and it is sometimes difficult to generalize results to a larger population.

While case studies focus on a single individual or group, they follow a format similar to other types of psychology writing. If you are writing a case study, we got you—here are some rules of APA format to reference.  

At a Glance

A case study, or an in-depth study of a person, group, or event, can be a useful research tool when used wisely. In many cases, case studies are best used in situations where it would be difficult or impossible for you to conduct an experiment. They are helpful for looking at unique situations and allow researchers to gather a lot of˜ information about a specific individual or group of people. However, it's important to be cautious of any bias we draw from them as they are highly subjective.

What Are the Benefits and Limitations of Case Studies?

A case study can have its strengths and weaknesses. Researchers must consider these pros and cons before deciding if this type of study is appropriate for their needs.

One of the greatest advantages of a case study is that it allows researchers to investigate things that are often difficult or impossible to replicate in a lab. Some other benefits of a case study:

  • Allows researchers to capture information on the 'how,' 'what,' and 'why,' of something that's implemented
  • Gives researchers the chance to collect information on why one strategy might be chosen over another
  • Permits researchers to develop hypotheses that can be explored in experimental research

On the other hand, a case study can have some drawbacks:

  • It cannot necessarily be generalized to the larger population
  • Cannot demonstrate cause and effect
  • It may not be scientifically rigorous
  • It can lead to bias

Researchers may choose to perform a case study if they want to explore a unique or recently discovered phenomenon. Through their insights, researchers develop additional ideas and study questions that might be explored in future studies.

It's important to remember that the insights from case studies cannot be used to determine cause-and-effect relationships between variables. However, case studies may be used to develop hypotheses that can then be addressed in experimental research.

Case Study Examples

There have been a number of notable case studies in the history of psychology. Much of  Freud's work and theories were developed through individual case studies. Some great examples of case studies in psychology include:

  • Anna O : Anna O. was a pseudonym of a woman named Bertha Pappenheim, a patient of a physician named Josef Breuer. While she was never a patient of Freud's, Freud and Breuer discussed her case extensively. The woman was experiencing symptoms of a condition that was then known as hysteria and found that talking about her problems helped relieve her symptoms. Her case played an important part in the development of talk therapy as an approach to mental health treatment.
  • Phineas Gage : Phineas Gage was a railroad employee who experienced a terrible accident in which an explosion sent a metal rod through his skull, damaging important portions of his brain. Gage recovered from his accident but was left with serious changes in both personality and behavior.
  • Genie : Genie was a young girl subjected to horrific abuse and isolation. The case study of Genie allowed researchers to study whether language learning was possible, even after missing critical periods for language development. Her case also served as an example of how scientific research may interfere with treatment and lead to further abuse of vulnerable individuals.

Such cases demonstrate how case research can be used to study things that researchers could not replicate in experimental settings. In Genie's case, her horrific abuse denied her the opportunity to learn a language at critical points in her development.

This is clearly not something researchers could ethically replicate, but conducting a case study on Genie allowed researchers to study phenomena that are otherwise impossible to reproduce.

There are a few different types of case studies that psychologists and other researchers might use:

  • Collective case studies : These involve studying a group of individuals. Researchers might study a group of people in a certain setting or look at an entire community. For example, psychologists might explore how access to resources in a community has affected the collective mental well-being of those who live there.
  • Descriptive case studies : These involve starting with a descriptive theory. The subjects are then observed, and the information gathered is compared to the pre-existing theory.
  • Explanatory case studies : These   are often used to do causal investigations. In other words, researchers are interested in looking at factors that may have caused certain things to occur.
  • Exploratory case studies : These are sometimes used as a prelude to further, more in-depth research. This allows researchers to gather more information before developing their research questions and hypotheses .
  • Instrumental case studies : These occur when the individual or group allows researchers to understand more than what is initially obvious to observers.
  • Intrinsic case studies : This type of case study is when the researcher has a personal interest in the case. Jean Piaget's observations of his own children are good examples of how an intrinsic case study can contribute to the development of a psychological theory.

The three main case study types often used are intrinsic, instrumental, and collective. Intrinsic case studies are useful for learning about unique cases. Instrumental case studies help look at an individual to learn more about a broader issue. A collective case study can be useful for looking at several cases simultaneously.

The type of case study that psychology researchers use depends on the unique characteristics of the situation and the case itself.

There are a number of different sources and methods that researchers can use to gather information about an individual or group. Six major sources that have been identified by researchers are:

  • Archival records : Census records, survey records, and name lists are examples of archival records.
  • Direct observation : This strategy involves observing the subject, often in a natural setting . While an individual observer is sometimes used, it is more common to utilize a group of observers.
  • Documents : Letters, newspaper articles, administrative records, etc., are the types of documents often used as sources.
  • Interviews : Interviews are one of the most important methods for gathering information in case studies. An interview can involve structured survey questions or more open-ended questions.
  • Participant observation : When the researcher serves as a participant in events and observes the actions and outcomes, it is called participant observation.
  • Physical artifacts : Tools, objects, instruments, and other artifacts are often observed during a direct observation of the subject.

If you have been directed to write a case study for a psychology course, be sure to check with your instructor for any specific guidelines you need to follow. If you are writing your case study for a professional publication, check with the publisher for their specific guidelines for submitting a case study.

Here is a general outline of what should be included in a case study.

Section 1: A Case History

This section will have the following structure and content:

Background information : The first section of your paper will present your client's background. Include factors such as age, gender, work, health status, family mental health history, family and social relationships, drug and alcohol history, life difficulties, goals, and coping skills and weaknesses.

Description of the presenting problem : In the next section of your case study, you will describe the problem or symptoms that the client presented with.

Describe any physical, emotional, or sensory symptoms reported by the client. Thoughts, feelings, and perceptions related to the symptoms should also be noted. Any screening or diagnostic assessments that are used should also be described in detail and all scores reported.

Your diagnosis : Provide your diagnosis and give the appropriate Diagnostic and Statistical Manual code. Explain how you reached your diagnosis, how the client's symptoms fit the diagnostic criteria for the disorder(s), or any possible difficulties in reaching a diagnosis.

Section 2: Treatment Plan

This portion of the paper will address the chosen treatment for the condition. This might also include the theoretical basis for the chosen treatment or any other evidence that might exist to support why this approach was chosen.

  • Cognitive behavioral approach : Explain how a cognitive behavioral therapist would approach treatment. Offer background information on cognitive behavioral therapy and describe the treatment sessions, client response, and outcome of this type of treatment. Make note of any difficulties or successes encountered by your client during treatment.
  • Humanistic approach : Describe a humanistic approach that could be used to treat your client, such as client-centered therapy . Provide information on the type of treatment you chose, the client's reaction to the treatment, and the end result of this approach. Explain why the treatment was successful or unsuccessful.
  • Psychoanalytic approach : Describe how a psychoanalytic therapist would view the client's problem. Provide some background on the psychoanalytic approach and cite relevant references. Explain how psychoanalytic therapy would be used to treat the client, how the client would respond to therapy, and the effectiveness of this treatment approach.
  • Pharmacological approach : If treatment primarily involves the use of medications, explain which medications were used and why. Provide background on the effectiveness of these medications and how monotherapy may compare with an approach that combines medications with therapy or other treatments.

This section of a case study should also include information about the treatment goals, process, and outcomes.

When you are writing a case study, you should also include a section where you discuss the case study itself, including the strengths and limitiations of the study. You should note how the findings of your case study might support previous research. 

In your discussion section, you should also describe some of the implications of your case study. What ideas or findings might require further exploration? How might researchers go about exploring some of these questions in additional studies?

Need More Tips?

Here are a few additional pointers to keep in mind when formatting your case study:

  • Never refer to the subject of your case study as "the client." Instead, use their name or a pseudonym.
  • Read examples of case studies to gain an idea about the style and format.
  • Remember to use APA format when citing references .

Crowe S, Cresswell K, Robertson A, Huby G, Avery A, Sheikh A. The case study approach .  BMC Med Res Methodol . 2011;11:100.

Crowe S, Cresswell K, Robertson A, Huby G, Avery A, Sheikh A. The case study approach . BMC Med Res Methodol . 2011 Jun 27;11:100. doi:10.1186/1471-2288-11-100

Gagnon, Yves-Chantal.  The Case Study as Research Method: A Practical Handbook . Canada, Chicago Review Press Incorporated DBA Independent Pub Group, 2010.

Yin, Robert K. Case Study Research and Applications: Design and Methods . United States, SAGE Publications, 2017.

By Kendra Cherry, MSEd Kendra Cherry, MS, is a psychosocial rehabilitation specialist, psychology educator, and author of the "Everything Psychology Book."

a case study meaning

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

a case study meaning

  • 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.

a case study meaning

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.

a case study meaning

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.

a case study meaning

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.

a case study meaning

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.

a case study meaning

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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.

a case study meaning

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.

a case study meaning

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The case study creation process

Types of case studies, benefits and limitations.

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case study , detailed description and assessment of a specific situation in the real world created for the purpose of deriving generalizations and other insights from it. A case study can be about an individual, a group of people, an organization, or an event, among other subjects.

By focusing on a specific subject in its natural setting, a case study can help improve understanding of the broader features and processes at work. Case studies are a research method used in multiple fields, including business, criminology , education , medicine and other forms of health care, anthropology , political science , psychology , and social work . Data in case studies can be both qualitative and quantitative. Unlike experiments, where researchers control and manipulate situations, case studies are considered to be “naturalistic” because subjects are studied in their natural context . ( See also natural experiment .)

The creation of a case study typically involves the following steps:

  • The research question to be studied is defined, informed by existing literature and previous research. Researchers should clearly define the scope of the case, and they should compile a list of evidence to be collected as well as identify the nature of insights that they expect to gain from the case study.
  • Once the case is identified, the research team is given access to the individual, organization, or situation being studied. Individuals are informed of risks associated with participation and must provide their consent , which may involve signing confidentiality or anonymity agreements.
  • Researchers then collect evidence using multiple methods, which may include qualitative techniques, such as interviews, focus groups , and direct observations, as well as quantitative methods, such as surveys, questionnaires, and data audits. The collection procedures need to be well defined to ensure the relevance and accuracy of the evidence.
  • The collected evidence is analyzed to come up with insights. Each data source must be reviewed carefully by itself and in the larger context of the case study so as to ensure continued relevance. At the same time, care must be taken not to force the analysis to fit (potentially preconceived) conclusions. While the eventual case study may serve as the basis for generalizations, these generalizations must be made cautiously to ensure that specific nuances are not lost in the averages.
  • Finally, the case study is packaged for larger groups and publication. At this stage some information may be withheld, as in business case studies, to allow readers to draw their own conclusions. In scientific fields, the completed case study needs to be a coherent whole, with all findings and statistical relationships clearly documented.

What is it like to never feel fear?

Case studies have been used as a research method across multiple fields. They are particularly popular in the fields of law, business, and employee training; they typically focus on a problem that an individual or organization is facing. The situation is presented in considerable detail, often with supporting data, to discussion participants, who are asked to make recommendations that will solve the stated problem. The business case study as a method of instruction was made popular in the 1920s by instructors at Harvard Business School who adapted an approach used at Harvard Law School in which real-world cases were used in classroom discussions. Other business and law schools started compiling case studies as teaching aids for students. In a business school case study, students are not provided with the complete list of facts pertaining to the topic and are thus forced to discuss and compare their perspectives with those of their peers to recommend solutions.

In criminology , case studies typically focus on the lives of an individual or a group of individuals. These studies can provide particularly valuable insight into the personalities and motives of individual criminals, but they may suffer from a lack of objectivity on the part of the researchers (typically because of the researchers’ biases when working with people with a criminal history), and their findings may be difficult to generalize.

In sociology , the case-study method was developed by Frédéric Le Play in France during the 19th century. This approach involves a field worker staying with a family for a period of time, gathering data on the family members’ attitudes and interactions and on their income, expenditures, and physical possessions. Similar approaches have been used in anthropology . Such studies can sometimes continue for many years.

a case study meaning

Case studies provide insight into situations that involve a specific entity or set of circumstances. They can be beneficial in helping to explain the causal relationships between quantitative indicators in a field of study, such as what drives a company’s market share. By introducing real-world examples, they also plunge the reader into an actual, concrete situation and make the concepts real rather than theoretical. They also help people study rare situations that they might not otherwise experience.

Because case studies are in a “naturalistic” environment , they are limited in terms of research design: researchers lack control over what they are studying, which means that the results often cannot be reproduced. Also, care must be taken to stay within the bounds of the research question on which the case study is focusing. Other limitations to case studies revolve around the data collected. It may be difficult, for instance, for researchers to organize the large volume of data that can emerge from the study, and their analysis of the data must be carefully thought through to produce scientifically valid insights. The research methodology used to generate these insights is as important as the insights themselves, for the latter need to be seen in the proper context. Taken out of context, they may lead to erroneous conclusions. Like all scientific studies, case studies need to be approached objectively; personal bias or opinion may skew the research methods as well as the results. ( See also confirmation bias .)

Business case studies in particular have been criticized for approaching a problem or situation from a narrow perspective. Students are expected to come up with solutions for a problem based on the data provided. However, in real life, the situation is typically reversed: business managers face a problem and must then look for data to help them solve it.

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What is a Case Study? Definition, Research Methods, Sampling and Examples

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What is a Case Study?

A case study is defined as an in-depth analysis of a particular subject, often a real-world situation, individual, group, or organization. 

It is a research method that involves the comprehensive examination of a specific instance to gain a better understanding of its complexities, dynamics, and context. 

Case studies are commonly used in various fields such as business, psychology, medicine, and education to explore and illustrate phenomena, theories, or practical applications.

In a typical case study, researchers collect and analyze a rich array of qualitative and/or quantitative data, including interviews, observations, documents, and other relevant sources. The goal is to provide a nuanced and holistic perspective on the subject under investigation.

The information gathered here is used to generate insights, draw conclusions, and often to inform broader theories or practices within the respective field.

Case studies offer a valuable method for researchers to explore real-world phenomena in their natural settings, providing an opportunity to delve deeply into the intricacies of a particular case. They are particularly useful when studying complex, multifaceted situations where various factors interact. 

Additionally, case studies can be instrumental in generating hypotheses, testing theories, and offering practical insights that can be applied to similar situations. Overall, the comprehensive nature of case studies makes them a powerful tool for gaining a thorough understanding of specific instances within the broader context of academic and professional inquiry.

Key Characteristics of Case Study

Case studies are characterized by several key features that distinguish them from other research methods. Here are some essential characteristics of case studies:

  • In-depth Exploration: Case studies involve a thorough and detailed examination of a specific case or instance. Researchers aim to explore the complexities and nuances of the subject under investigation, often using multiple data sources and methods to gather comprehensive information.
  • Contextual Analysis: Case studies emphasize the importance of understanding the context in which the case unfolds. Researchers seek to examine the unique circumstances, background, and environmental factors that contribute to the dynamics of the case. Contextual analysis is crucial for drawing meaningful conclusions and generalizing findings to similar situations.
  • Holistic Perspective: Rather than focusing on isolated variables, case studies take a holistic approach to studying a phenomenon. Researchers consider a wide range of factors and their interrelationships, aiming to capture the richness and complexity of the case. This holistic perspective helps in providing a more complete understanding of the subject.
  • Qualitative and/or Quantitative Data: Case studies can incorporate both qualitative and quantitative data, depending on the research question and objectives. Qualitative data often include interviews, observations, and document analysis, while quantitative data may involve statistical measures or numerical information. The combination of these data types enhances the depth and validity of the study.
  • Longitudinal or Retrospective Design: Case studies can be designed as longitudinal studies, where the researcher follows the case over an extended period, or retrospective studies, where the focus is on examining past events. This temporal dimension allows researchers to capture changes and developments within the case.
  • Unique and Unpredictable Nature: Each case study is unique, and the findings may not be easily generalized to other situations. The unpredictable nature of real-world cases adds a layer of authenticity to the study, making it an effective method for exploring complex and dynamic phenomena.
  • Theory Building or Testing: Case studies can serve different purposes, including theory building or theory testing. In some cases, researchers use case studies to develop new theories or refine existing ones. In others, they may test existing theories by applying them to real-world situations and assessing their explanatory power.

Understanding these key characteristics is essential for researchers and practitioners using case studies as a methodological approach, as it helps guide the design, implementation, and analysis of the study.

Key Components of a Case Study

A well-constructed case study typically consists of several key components that collectively provide a comprehensive understanding of the subject under investigation. Here are the key components of a case study:

  • Provide an overview of the context and background information relevant to the case. This may include the history, industry, or setting in which the case is situated.
  • Clearly state the purpose and objectives of the case study. Define what the study aims to achieve and the questions it seeks to answer.
  • Clearly identify the subject of the case study. This could be an individual, a group, an organization, or a specific event.
  • Define the boundaries and scope of the case study. Specify what aspects will be included and excluded from the investigation.
  • Provide a brief review of relevant theories or concepts that will guide the analysis. This helps place the case study within the broader theoretical context.
  • Summarize existing literature related to the subject, highlighting key findings and gaps in knowledge. This establishes the context for the current case study.
  • Describe the research design chosen for the case study (e.g., exploratory, explanatory, descriptive). Justify why this design is appropriate for the research objectives.
  • Specify the methods used to gather data, whether through interviews, observations, document analysis, surveys, or a combination of these. Detail the procedures followed to ensure data validity and reliability.
  • Explain the criteria for selecting the case and any sampling considerations. Discuss why the chosen case is representative or relevant to the research questions.
  • Describe how the collected data will be coded and categorized. Discuss the analytical framework or approach used to identify patterns, themes, or trends.
  • If multiple data sources or methods are used, explain how they complement each other to enhance the credibility and validity of the findings.
  • Present the key findings in a clear and organized manner. Use tables, charts, or quotes from participants to illustrate the results.
  • Interpret the results in the context of the research objectives and theoretical framework. Discuss any unexpected findings and their implications.
  • Provide a thorough interpretation of the results, connecting them to the research questions and relevant literature.
  • Acknowledge the limitations of the study, such as constraints in data collection, sample size, or generalizability.
  • Highlight the contributions of the case study to the existing body of knowledge and identify potential avenues for future research.
  • Summarize the key findings and their significance in relation to the research objectives.
  • Conclude with a concise summary of the case study, its implications, and potential practical applications.
  • Provide a complete list of all the sources cited in the case study, following a consistent citation style.
  • Include any additional materials or supplementary information, such as interview transcripts, survey instruments, or supporting documents.

By including these key components, a case study becomes a comprehensive and well-rounded exploration of a specific subject, offering valuable insights and contributing to the body of knowledge in the respective field.

Sampling in a Case Study Research

Sampling in case study research involves selecting a subset of cases or individuals from a larger population to study in depth. Unlike quantitative research where random sampling is often employed, case study sampling is typically purposeful and driven by the specific objectives of the study. Here are some key considerations for sampling in case study research:

  • Criterion Sampling: Cases are selected based on specific criteria relevant to the research questions. For example, if studying successful business strategies, cases may be selected based on their demonstrated success.
  • Maximum Variation Sampling: Cases are chosen to represent a broad range of variations related to key characteristics. This approach helps capture diversity within the sample.
  • Selecting Cases with Rich Information: Researchers aim to choose cases that are information-rich and provide insights into the phenomenon under investigation. These cases should offer a depth of detail and variation relevant to the research objectives.
  • Single Case vs. Multiple Cases: Decide whether the study will focus on a single case (single-case study) or multiple cases (multiple-case study). The choice depends on the research objectives, the complexity of the phenomenon, and the depth of understanding required.
  • Emergent Nature of Sampling: In some case studies, the sampling strategy may evolve as the study progresses. This is known as theoretical sampling, where new cases are selected based on emerging findings and theoretical insights from earlier analysis.
  • Data Saturation: Sampling may continue until data saturation is achieved, meaning that collecting additional cases or data does not yield new insights or information. Saturation indicates that the researcher has adequately explored the phenomenon.
  • Defining Case Boundaries: Clearly define the boundaries of the case to ensure consistency and avoid ambiguity. Consider what is included and excluded from the case study, and justify these decisions.
  • Practical Considerations: Assess the feasibility of accessing the selected cases. Consider factors such as availability, willingness to participate, and the practicality of data collection methods.
  • Informed Consent: Obtain informed consent from participants, ensuring that they understand the purpose of the study and the ways in which their information will be used. Protect the confidentiality and anonymity of participants as needed.
  • Pilot Testing the Sampling Strategy: Before conducting the full study, consider pilot testing the sampling strategy to identify potential challenges and refine the approach. This can help ensure the effectiveness of the sampling method.
  • Transparent Reporting: Clearly document the sampling process in the research methodology section. Provide a rationale for the chosen sampling strategy and discuss any adjustments made during the study.

Sampling in case study research is a critical step that influences the depth and richness of the study’s findings. By carefully selecting cases based on specific criteria and considering the unique characteristics of the phenomenon under investigation, researchers can enhance the relevance and validity of their case study.

Case Study Research Methods With Examples

  • Interviews:
  • Interviews involve engaging with participants to gather detailed information, opinions, and insights. In a case study, interviews are often semi-structured, allowing flexibility in questioning.
  • Example: A case study on workplace culture might involve conducting interviews with employees at different levels to understand their perceptions, experiences, and attitudes.
  • Observations:
  • Observations entail direct examination and recording of behavior, activities, or events in their natural setting. This method is valuable for understanding behaviors in context.
  • Example: A case study investigating customer interactions at a retail store may involve observing and documenting customer behavior, staff interactions, and overall dynamics.
  • Document Analysis:
  • Document analysis involves reviewing and interpreting written or recorded materials, such as reports, memos, emails, and other relevant documents.
  • Example: In a case study on organizational change, researchers may analyze internal documents, such as communication memos or strategic plans, to trace the evolution of the change process.
  • Surveys and Questionnaires:
  • Surveys and questionnaires collect structured data from a sample of participants. While less common in case studies, they can be used to supplement other methods.
  • Example: A case study on the impact of a health intervention might include a survey to gather quantitative data on participants’ health outcomes.
  • Focus Groups:
  • Focus groups involve a facilitated discussion among a group of participants to explore their perceptions, attitudes, and experiences.
  • Example: In a case study on community development, a focus group might be conducted with residents to discuss their views on recent initiatives and their impact.
  • Archival Research:
  • Archival research involves examining existing records, historical documents, or artifacts to gain insights into a particular phenomenon.
  • Example: A case study on the history of a landmark building may involve archival research, exploring construction records, historical photos, and maintenance logs.
  • Longitudinal Studies:
  • Longitudinal studies involve the collection of data over an extended period to observe changes and developments.
  • Example: A case study tracking the career progression of employees in a company may involve longitudinal interviews and document analysis over several years.
  • Cross-Case Analysis:
  • Cross-case analysis compares and contrasts multiple cases to identify patterns, similarities, and differences.
  • Example: A comparative case study of different educational institutions may involve analyzing common challenges and successful strategies across various cases.
  • Ethnography:
  • Ethnography involves immersive, in-depth exploration within a cultural or social setting to understand the behaviors and perspectives of participants.
  • Example: A case study using ethnographic methods might involve spending an extended period within a community to understand its social dynamics and cultural practices.
  • Experimental Designs (Rare):
  • While less common, experimental designs involve manipulating variables to observe their effects. In case studies, this might be applied in specific contexts.
  • Example: A case study exploring the impact of a new teaching method might involve implementing the method in one classroom while comparing it to a traditional method in another.

These case study research methods offer a versatile toolkit for researchers to investigate and gain insights into complex phenomena across various disciplines. The choice of methods depends on the research questions, the nature of the case, and the desired depth of understanding.

Best Practices for a Case Study in 2024

Creating a high-quality case study involves adhering to best practices that ensure rigor, relevance, and credibility. Here are some key best practices for conducting and presenting a case study:

  • Clearly articulate the purpose and objectives of the case study. Define the research questions or problems you aim to address, ensuring a focused and purposeful approach.
  • Choose a case that aligns with the research objectives and provides the depth and richness needed for the study. Consider the uniqueness of the case and its relevance to the research questions.
  • Develop a robust research design that aligns with the nature of the case study (single-case or multiple-case) and integrates appropriate research methods. Ensure the chosen design is suitable for exploring the complexities of the phenomenon.
  • Use a variety of data sources to enhance the validity and reliability of the study. Combine methods such as interviews, observations, document analysis, and surveys to provide a comprehensive understanding of the case.
  • Clearly document and describe the procedures for data collection to enhance transparency. Include details on participant selection, sampling strategy, and data collection methods to facilitate replication and evaluation.
  • Implement measures to ensure the validity and reliability of the data. Triangulate information from different sources to cross-verify findings and strengthen the credibility of the study.
  • Clearly define the boundaries of the case to avoid scope creep and maintain focus. Specify what is included and excluded from the study, providing a clear framework for analysis.
  • Include perspectives from various stakeholders within the case to capture a holistic view. This might involve interviewing individuals at different organizational levels, customers, or community members, depending on the context.
  • Adhere to ethical principles in research, including obtaining informed consent from participants, ensuring confidentiality, and addressing any potential conflicts of interest.
  • Conduct a rigorous analysis of the data, using appropriate analytical techniques. Interpret the findings in the context of the research questions, theoretical framework, and relevant literature.
  • Offer detailed and rich descriptions of the case, including the context, key events, and participant perspectives. This helps readers understand the intricacies of the case and supports the generalization of findings.
  • Communicate findings in a clear and accessible manner. Avoid jargon and technical language that may hinder understanding. Use visuals, such as charts or graphs, to enhance clarity.
  • Seek feedback from colleagues or experts in the field through peer review. This helps ensure the rigor and credibility of the case study and provides valuable insights for improvement.
  • Connect the case study findings to existing theories or concepts, contributing to the theoretical understanding of the phenomenon. Discuss practical implications and potential applications in relevant contexts.
  • Recognize that case study research is often an iterative process. Be open to revisiting and refining research questions, methods, or analysis as the study progresses. Practice reflexivity by acknowledging and addressing potential biases or preconceptions.

By incorporating these best practices, researchers can enhance the quality and impact of their case studies, making valuable contributions to the academic and practical understanding of complex phenomena.

Interested in learning more about the fields of product, research, and design? Search our articles here for helpful information spanning a wide range of topics!

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Case Study | Definition, Examples & Methods

Published on 5 May 2022 by Shona McCombes . Revised on 30 January 2023.

A case study is a detailed study of a specific subject, such as a person, group, place, event, organisation, 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 analyse the case.

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.

Case study examples
Research question Case study
What are the ecological effects of wolf reintroduction? Case study of wolf reintroduction in Yellowstone National Park in the US
How do populist politicians use narratives about history to gain support? Case studies of Hungarian prime minister Viktor Orbán and US president Donald Trump
How can teachers implement active learning strategies in mixed-level classrooms? Case study of a local school that promotes active learning
What are the main advantages and disadvantages of wind farms for rural communities? Case studies of three rural wind farm development projects in different parts of the country
How are viral marketing strategies changing the relationship between companies and consumers? Case study of the iPhone X marketing campaign
How do experiences of work in the gig economy differ by gender, race, and age? Case studies of Deliveroo and Uber drivers in London

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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

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.

If you find yourself aiming to simultaneously investigate and solve an issue, consider conducting action research . As its name suggests, action research conducts research and takes action at the same time, and is highly iterative and flexible. 

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

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 .

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 analyse 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.

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McCombes, S. (2023, January 30). Case Study | Definition, Examples & Methods. Scribbr. Retrieved 9 September 2024, from https://www.scribbr.co.uk/research-methods/case-studies/

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Definition of case study

Examples of case study in a sentence.

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'case study.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

1914, in the meaning defined at sense 1

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“Case study.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/case%20study. Accessed 15 Sep. 2024.

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What is a Case Study? Definition & Examples

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Case Study Definition

A case study is an in-depth investigation of a single person, group, event, or community. This research method involves intensively analyzing a subject to understand its complexity and context. The richness of a case study comes from its ability to capture detailed, qualitative data that can offer insights into a process or subject matter that other research methods might miss.

A case study involves drawing lots of connections.

A case study strives for a holistic understanding of events or situations by examining all relevant variables. They are ideal for exploring ‘how’ or ‘why’ questions in contexts where the researcher has limited control over events in real-life settings. Unlike narrowly focused experiments, these projects seek a comprehensive understanding of events or situations.

In a case study, researchers gather data through various methods such as participant observation, interviews, tests, record examinations, and writing samples. Unlike statistically-based studies that seek only quantifiable data, a case study attempts to uncover new variables and pose questions for subsequent research.

A case study is particularly beneficial when your research:

  • Requires a deep, contextual understanding of a specific case.
  • Needs to explore or generate hypotheses rather than test them.
  • Focuses on a contemporary phenomenon within a real-life context.

Learn more about Other Types of Experimental Design .

Case Study Examples

Various fields utilize case studies, including the following:

  • Social sciences : For understanding complex social phenomena.
  • Business : For analyzing corporate strategies and business decisions.
  • Healthcare : For detailed patient studies and medical research.
  • Education : For understanding educational methods and policies.
  • Law : For in-depth analysis of legal cases.

For example, consider a case study in a business setting where a startup struggles to scale. Researchers might examine the startup’s strategies, market conditions, management decisions, and competition. Interviews with the CEO, employees, and customers, alongside an analysis of financial data, could offer insights into the challenges and potential solutions for the startup. This research could serve as a valuable lesson for other emerging businesses.

See below for other examples.

What impact does urban green space have on mental health in high-density cities? Assess a green space development in Tokyo and its effects on resident mental health.
How do small businesses adapt to rapid technological changes? Examine a small business in Silicon Valley adapting to new tech trends.
What strategies are effective in reducing plastic waste in coastal cities? Study plastic waste management initiatives in Barcelona.
How do educational approaches differ in addressing diverse learning needs? Investigate a specialized school’s approach to inclusive education in Sweden.
How does community involvement influence the success of public health initiatives? Evaluate a community-led health program in rural India.
What are the challenges and successes of renewable energy adoption in developing countries? Assess solar power implementation in a Kenyan village.

Types of Case Studies

Several standard types of case studies exist that vary based on the objectives and specific research needs.

Illustrative Case Study : Descriptive in nature, these studies use one or two instances to depict a situation, helping to familiarize the unfamiliar and establish a common understanding of the topic.

Exploratory Case Study : Conducted as precursors to large-scale investigations, they assist in raising relevant questions, choosing measurement types, and identifying hypotheses to test.

Cumulative Case Study : These studies compile information from various sources over time to enhance generalization without the need for costly, repetitive new studies.

Critical Instance Case Study : Focused on specific sites, they either explore unique situations with limited generalizability or challenge broad assertions, to identify potential cause-and-effect issues.

Pros and Cons

As with any research study, case studies have a set of benefits and drawbacks.

  • Provides comprehensive and detailed data.
  • Offers a real-life perspective.
  • Flexible and can adapt to discoveries during the study.
  • Enables investigation of scenarios that are hard to assess in laboratory settings.
  • Facilitates studying rare or unique cases.
  • Generates hypotheses for future experimental research.
  • Time-consuming and may require a lot of resources.
  • Hard to generalize findings to a broader context.
  • Potential for researcher bias.
  • Cannot establish causality .
  • Lacks scientific rigor compared to more controlled research methods .

Crafting a Good Case Study: Methodology

While case studies emphasize specific details over broad theories, they should connect to theoretical frameworks in the field. This approach ensures that these projects contribute to the existing body of knowledge on the subject, rather than standing as an isolated entity.

The following are critical steps in developing a case study:

  • Define the Research Questions : Clearly outline what you want to explore. Define specific, achievable objectives.
  • Select the Case : Choose a case that best suits the research questions. Consider using a typical case for general understanding or an atypical subject for unique insights.
  • Data Collection : Use a variety of data sources, such as interviews, observations, documents, and archival records, to provide multiple perspectives on the issue.
  • Data Analysis : Identify patterns and themes in the data.
  • Report Findings : Present the findings in a structured and clear manner.

Analysts typically use thematic analysis to identify patterns and themes within the data and compare different cases.

  • Qualitative Analysis : Such as coding and thematic analysis for narrative data.
  • Quantitative Analysis : In cases where numerical data is involved.
  • Triangulation : Combining multiple methods or data sources to enhance accuracy.

A good case study requires a balanced approach, often using both qualitative and quantitative methods.

The researcher should constantly reflect on their biases and how they might influence the research. Documenting personal reflections can provide transparency.

Avoid over-generalization. One common mistake is to overstate the implications of a case study. Remember that these studies provide an in-depth insights into a specific case and might not be widely applicable.

Don’t ignore contradictory data. All data, even that which contradicts your hypothesis, is valuable. Ignoring it can lead to skewed results.

Finally, in the report, researchers provide comprehensive insight for a case study through “thick description,” which entails a detailed portrayal of the subject, its usage context, the attributes of involved individuals, and the community environment. Thick description extends to interpreting various data, including demographic details, cultural norms, societal values, prevailing attitudes, and underlying motivations. This approach ensures a nuanced and in-depth comprehension of the case in question.

Learn more about Qualitative Research and Qualitative vs. Quantitative Data .

Morland, J. & Feagin, Joe & Orum, Anthony & Sjoberg, Gideon. (1992). A Case for the Case Study . Social Forces. 71(1):240.

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What Is a Case Study?

March 11, 2024 |, contributors.

JennyB Blackburn

Case studies give marketers a deep dive into a specific problem, process, or achievement within a company. They offer detailed insights into real-life business challenges and triumphs. Case studies provide a narrative that's informative and engaging, allowing readers to glean practical knowledge from real-world scenarios.

Case studies stand out for their ability to present complex data in a digestible format. They turn abstract numbers and statistics into relatable stories, making them an invaluable resource in the arsenal of any marketer. By showcasing specific examples of strategies that worked (or didn’t), case studies provide a unique learning opportunity that can be applied to similar situations in different organizations.

Benefits and Limitations of Case Studies

The power of detailed insight.

One of the most significant benefits of case studies is their capacity to provide detailed insights. Unlike broader market research, case studies delve into the specifics of a single situation, offering an in-depth understanding of the dynamics at play. This level of detail can be incredibly useful for businesses looking to understand the nuances of a particular strategy or problem. It allows for a more nuanced approach to problem-solving, as the specificity of a case study often highlights unique variables and outcomes that broader analyses may overlook.

Real-World Application

Case studies are grounded in real-world scenarios, making their lessons and findings directly applicable to similar situations in other organizations. By examining how a particular strategy or decision played out in a real context, businesses can better anticipate potential outcomes in their own situations.

Limitations: Generalizability and Bias

However, the very strength of case studies – their detailed focus on a single instance – is also their limitation. The findings of a case study might not apply to all situations. Since case studies often focus on unique cases, there’s a risk of drawing conclusions that don’t apply broadly.

Another limitation is the potential for bias. Since case studies are often retrospective and rely on the interpretation of events, there’s a risk of subjective bias in both the collection and interpretation of data. This can skew the insights and lessons derived from the study.

Despite these limitations, case studies are a powerful tool in the marketer’s toolkit, offering a unique blend of storytelling and empirical investigation.

Types of Case Studies

Explanatory case studies.

Explanatory case studies are often used in fields like social sciences to explain how or why certain events occurred. In a business context, explanatory case studies can be instrumental in unraveling the intricacies of business processes or market dynamics. They typically involve a detailed analysis of a situation or series of events to understand the underlying causes and effects. An explanatory case study's strength is its ability to provide clear, logical insights into complex scenarios.

Exploratory Case Studies

Exploratory case studies are typically conducted before a more in-depth investigation. Their primary purpose is to identify the key variables and potential relationships in a situation, setting the stage for more detailed analysis later. In marketing, exploratory case studies can help identify the factors contributing to a product's success or failure in the market. They are particularly useful in the early stages of research, where the goal is to gather as much information as possible to formulate more precise questions for further study.

Collective Case Studies

Collective case studies involve studying a group of cases simultaneously or sequentially. This approach is beneficial when the objective is to understand a phenomenon, population, or general condition more comprehensively. By examining multiple cases, marketers and business leaders can compare and contrast different scenarios, leading to a more robust and well-rounded understanding of the subject. Collective case studies are particularly useful for observing variations across different contexts, offering insights that might be overlooked when focusing on a single case.

Each type of case study serves a unique purpose and offers different insights, making them versatile tools for understanding complex business scenarios.

Writing and Analysis Tips

Structuring and formatting a case study.

When crafting a case study, be mindful of structure and format. A well-structured case study ensures clarity and enhances the reader's engagement and comprehension. Typically, a case study should begin with an introduction that sets the context and outlines the problem or situation being addressed. This is followed by a detailed presentation of the facts, including background information and a description of the events or processes involved.

The next section should involve an analysis of the case. This is where the data is interpreted and insights are drawn. It's crucial to link the theoretical framework to the practical aspects of the case, demonstrating how specific concepts apply to real-world scenarios. Finally, conclude with a section that synthesizes the findings, offering conclusions and if applicable, recommendations. This closing part should summarize the key insights and highlight the implications for practice and further research.

Developing Theories and Analyzing Results

Developing theories in case studies involves identifying patterns and relationships within the data. The goal is to move beyond the description to interpret the significance of what has been observed. This process requires critical thinking and the ability to link empirical evidence to broader concepts and theories.

Analyzing results in a case study involves scrutinizing the data to understand the 'why' and 'how' of the case. It's about digging deeper into the findings to unearth underlying principles or truths. This analysis should be rigorous and creative, combining empirical evidence with insightful interpretation.

Ensuring Validity and Reliability

To ensure the validity and reliability of a case study, use robust and transparent methods in data collection and analysis. Validity refers to the accuracy and truthfulness of the findings, while reliability pertains to the consistency of the results over time. Triangulation of data sources, where information is corroborated from multiple sources or methods, can enhance validity and reliability.

Furthermore, being transparent about the limitations of the case study, such as potential biases or constraints, helps maintain the integrity of the research. Providing a clear and detailed description of the methodology also allows others to assess the credibility of the findings.

These tips, when applied, can enhance the quality and impact of a case study, making it a powerful tool in business and marketing research.

Case Study Examples

Here are a few links to case studies done by 97th Floor:

SOLD.com : An agent-centric approach fuels SOLD.com's 322% ROI increase amidst housing market Challenges

Gigamon : The holistic SEO approach that won Gigamon their #1 keyword

Tuft & Needle : Connecting with Sleep-Deprived Parents to Increase Tuft and Needle’s Revenue by 57% YoY

These case studies provide tangible examples of how different strategies and innovations can be effectively applied in real-world business scenarios.

Case studies provide a unique blend of narrative storytelling and empirical investigation, making abstract concepts and strategies relatable and understandable. Whether explanatory, exploratory, or collective, each type of case study offers a different lens through which to view and solve business problems.

The insights from well-crafted case studies illuminate past successes and failures and pave the way for future innovations and strategies. By providing detailed analysis and real-world applications, case studies serve as a crucial tool for marketers and business leaders aiming to navigate the ever-evolving landscape of business challenges.

Ultimately, the value of a case study lies in its ability to inspire, inform, and guide. It's a resource that combines theoretical knowledge with practical experience, offering a comprehensive understanding. For any business looking to grow, adapt, and excel, leveraging the power of case studies is not just beneficial—it's essential.

A good case study is well-structured, detailed, and provides clear insights. It should present a real-world problem, outline the steps taken to address it and detail the results. Clarity, relevance, and the ability to engage the reader are key elements.

The length of a case study can vary depending on the complexity of the subject. Generally, it should be long enough to cover all relevant aspects of the case but concise enough to maintain the reader's interest. Typically, anywhere from 500 to 1500 words is standard.

While case studies provide valuable insights, they should not replace traditional market research. They are best used in conjunction with other forms of research to provide a comprehensive understanding of a market or problem.

Ensuring objectivity involves using a systematic approach in gathering and analyzing data, avoiding bias in selecting cases, and being transparent about the limitations of the study.

Yes, case studies are versatile and can be beneficial for businesses of all types and sizes. They are particularly useful for understanding specific situations in depth and can provide valuable insights regardless of the industry.

Small businesses can use case studies to learn from the experiences of others, understand market dynamics, and formulate strategies based on proven methods. They can also create their own case studies to showcase their successes and attract customers or investors.

In digital marketing, case studies can be used as powerful content pieces to demonstrate expertise, build trust, and provide value to the audience. They can be shared across various digital platforms, including social media, blogs, and email newsletters.

The frequency depends on the business's goals and resources. Regularly publishing case studies can keep the content fresh and relevant, but it's more important to focus on quality and relevance than frequency.

Absolutely. Case studies are excellent tools for employee training, as they provide real-life examples and scenarios for employees to learn from and discuss.

The effectiveness can be measured by its impact, such as increased website traffic, engagement rates, lead generation, and feedback from readers. Analyzing these metrics can provide insights into how well the case study resonates with the target audience.

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Blog Beginner Guides 6 Types of Case Studies to Inspire Your Research and Analysis

6 Types of Case Studies to Inspire Your Research and Analysis

Written by: Ronita Mohan Sep 20, 2021

What is a Case Study Blog Header

Case studies have become powerful business tools. But what is a case study? What are the benefits of creating one? Are there limitations to the format?

If you’ve asked yourself these questions, our helpful guide will clear things up. Learn how to use a case study for business. Find out how cases analysis works in psychology and research.

We’ve also got examples of case studies to inspire you.

Haven’t made a case study before? You can easily  create a case study  with Venngage’s customizable case study templates .

Click to jump ahead:

What is a case study?

6 types of case studies, what is a business case study, what is a case study in research, what is a case study in psychology, what is the case study method, benefits of case studies, limitations of case studies, faqs about case studies.

A case study is a research process aimed at learning about a subject, an event or an organization. Case studies are use in business, the social sciences and healthcare.

A case study may focus on one observation or many. It can also examine a series of events or a single case. An effective case study tells a story and provides a conclusion.

Case Study Definition LinkedIn Post

Healthcare industries write reports on patients and diagnoses. Marketing case study examples , like the one below, highlight the benefits of a business product.

Bold Social Media Business Case Study Template

Now that you know what a case study is, let’s look at the six different types of case studies next.

There are six common types of case reports. Depending on your industry, you might use one of these types.

Descriptive case studies

Explanatory case studies, exploratory case reports, intrinsic case studies, instrumental case studies, collective case reports.

6 Types Of Case Studies List

We go into more detail about each type of study in the guide below.

Related:  15+ Professional Case Study Examples [Design Tips + Templates]

When you have an existing hypothesis, you can design a descriptive study. This type of report starts with a description. The aim is to find connections between the subject being studied and a theory.

Once these connections are found, the study can conclude. The results of this type of study will usually suggest how to develop a theory further.

A study like the one below has concrete results. A descriptive report would use the quantitative data as a suggestion for researching the subject deeply.

Lead generation business case study template

When an incident occurs in a field, an explanation is required. An explanatory report investigates the cause of the event. It will include explanations for that cause.

The study will also share details about the impact of the event. In most cases, this report will use evidence to predict future occurrences. The results of explanatory reports are definitive.

Note that there is no room for interpretation here. The results are absolute.

The study below is a good example. It explains how one brand used the services of another. It concludes by showing definitive proof that the collaboration was successful.

Bold Content Marketing Case Study Template

Another example of this study would be in the automotive industry. If a vehicle fails a test, an explanatory study will examine why. The results could show that the failure was because of a particular part.

Related: How to Write a Case Study [+ Design Tips]

An explanatory report is a self-contained document. An exploratory one is only the beginning of an investigation.

Exploratory cases act as the starting point of studies. This is usually conducted as a precursor to large-scale investigations. The research is used to suggest why further investigations are needed.

An exploratory study can also be used to suggest methods for further examination.

For example, the below analysis could have found inconclusive results. In that situation, it would be the basis for an in-depth study.

Teal Social Media Business Case Study Template

Intrinsic studies are more common in the field of psychology. These reports can also be conducted in healthcare or social work.

These types of studies focus on a unique subject, such as a patient. They can sometimes study groups close to the researcher.

The aim of such studies is to understand the subject better. This requires learning their history. The researcher will also examine how they interact with their environment.

For instance, if the case study below was about a unique brand, it could be an intrinsic study.

Vibrant Content Marketing Case Study Template

Once the study is complete, the researcher will have developed a better understanding of a phenomenon. This phenomenon will likely not have been studied or theorized about before.

Examples of intrinsic case analysis can be found across psychology. For example, Jean Piaget’s theories on cognitive development. He established the theory from intrinsic studies into his own children.

Related: What Disney Villains Can Tell Us About Color Psychology [Infographic]

This is another type of study seen in medical and psychology fields. Instrumental reports are created to examine more than just the primary subject.

When research is conducted for an instrumental study, it is to provide the basis for a larger phenomenon. The subject matter is usually the best example of the phenomenon. This is why it is being studied.

Take the example of the fictional brand below.

Purple SAAS Business Case Study Template

Assume it’s examining lead generation strategies. It may want to show that visual marketing is the definitive lead generation tool. The brand can conduct an instrumental case study to examine this phenomenon.

Collective studies are based on instrumental case reports. These types of studies examine multiple reports.

There are a number of reasons why collective reports are created:

  • To provide evidence for starting a new study
  • To find pattens between multiple instrumental reports
  • To find differences in similar types of cases
  • Gain a deeper understanding of a complex phenomenon
  • Understand a phenomenon from diverse contexts

A researcher could use multiple reports, like the one below, to build a collective case report.

Social Media Business Case Study template

Related: 10+ Case Study Infographic Templates That Convert

A business or marketing case study aims at showcasing a successful partnership. This can be between a brand and a client. Or the case study can examine a brand’s project.

There is a perception that case studies are used to advertise a brand. But effective reports, like the one below, can show clients how a brand can support them.

Light Simple Business Case Study Template

Hubspot created a case study on a customer that successfully scaled its business. The report outlines the various Hubspot tools used to achieve these results.

Hubspot case study

Hubspot also added a video with testimonials from the client company’s employees.

So, what is the purpose of a case study for businesses? There is a lot of competition in the corporate world. Companies are run by people. They can be on the fence about which brand to work with.

Business reports  stand out aesthetically, as well. They use  brand colors  and brand fonts . Usually, a combination of the client’s and the brand’s.

With the Venngage  My Brand Kit  feature, businesses can automatically apply their brand to designs.

A business case study, like the one below, acts as social proof. This helps customers decide between your brand and your competitors.

Modern lead Generation Business Case Study Template

Don’t know how to design a report? You can learn  how to write a case study  with Venngage’s guide. We also share design tips and examples that will help you convert.

Related: 55+ Annual Report Design Templates, Inspirational Examples & Tips [Updated]

Research is a necessary part of every case study. But specific research fields are required to create studies. These fields include user research, healthcare, education, or social work.

For example, this UX Design  report examined the public perception of a client. The brand researched and implemented new visuals to improve it. The study breaks down this research through lessons learned.

What is a case study in research? UX Design case study example

Clinical reports are a necessity in the medical field. These documents are used to share knowledge with other professionals. They also help examine new or unusual diseases or symptoms.

The pandemic has led to a significant increase in research. For example,  Spectrum Health  studied the value of health systems in the pandemic. They created the study by examining community outreach.

What is a case study in research? Spectrum healthcare example

The pandemic has significantly impacted the field of education. This has led to numerous examinations on remote studying. There have also been studies on how students react to decreased peer communication.

Social work case reports often have a community focus. They can also examine public health responses. In certain regions, social workers study disaster responses.

You now know what case studies in various fields are. In the next step of our guide, we explain the case study method.

In the field of psychology, case studies focus on a particular subject. Psychology case histories also examine human behaviors.

Case reports search for commonalities between humans. They are also used to prescribe further research. Or these studies can elaborate on a solution for a behavioral ailment.

The American Psychology Association  has a number of case studies on real-life clients. Note how the reports are more text-heavy than a business case study.

What is a case study in psychology? Behavior therapy example

Famous psychologists such as Sigmund Freud and Anna O popularised the use of case studies in the field. They did so by regularly interviewing subjects. Their detailed observations build the field of psychology.

It is important to note that psychological studies must be conducted by professionals. Psychologists, psychiatrists and therapists should be the researchers in these cases.

Related: What Netflix’s Top 50 Shows Can Teach Us About Font Psychology [Infographic]

The case study method, or case method, is a learning technique where you’re presented with a real-world business challenge and asked how you’d solve it.

After working through it independently and with peers, you learn how the actual scenario unfolded. This approach helps develop problem-solving skills and practical knowledge.

This method often uses various data sources like interviews, observations, and documents to provide comprehensive insights. The below example would have been created after numerous interviews.

Case studies are largely qualitative. They analyze and describe phenomena. While some data is included, a case analysis is not quantitative.

There are a few steps in the case method. You have to start by identifying the subject of your study. Then determine what kind of research is required.

In natural sciences, case studies can take years to complete. Business reports, like this one, don’t take that long. A few weeks of interviews should be enough.

Blue Simple Business Case Study Template

The case method will vary depending on the industry. Reports will also look different once produced.

As you will have seen, business reports are more colorful. The design is also more accessible . Healthcare and psychology reports are more text-heavy.

Designing case reports takes time and energy. So, is it worth taking the time to write them? Here are the benefits of creating case studies.

  • Collects large amounts of information
  • Helps formulate hypotheses
  • Builds the case for further research
  • Discovers new insights into a subject
  • Builds brand trust and loyalty
  • Engages customers through stories

For example, the business study below creates a story around a brand partnership. It makes for engaging reading. The study also shows evidence backing up the information.

Blue Content Marketing Case Study Template

We’ve shared the benefits of why studies are needed. We will also look at the limitations of creating them.

Related: How to Present a Case Study like a Pro (With Examples)

There are a few disadvantages to conducting a case analysis. The limitations will vary according to the industry.

  • Responses from interviews are subjective
  • Subjects may tailor responses to the researcher
  • Studies can’t always be replicated
  • In certain industries, analyses can take time and be expensive
  • Risk of generalizing the results among a larger population

These are some of the common weaknesses of creating case reports. If you’re on the fence, look at the competition in your industry.

Other brands or professionals are building reports, like this example. In that case, you may want to do the same.

Coral content marketing case study template

What makes a case study a case study?

A case study has a very particular research methodology. They are an in-depth study of a person or a group of individuals. They can also study a community or an organization. Case reports examine real-world phenomena within a set context.

How long should a case study be?

The length of studies depends on the industry. It also depends on the story you’re telling. Most case studies should be at least 500-1500 words long. But you can increase the length if you have more details to share.

What should you ask in a case study?

The one thing you shouldn’t ask is ‘yes’ or ‘no’ questions. Case studies are qualitative. These questions won’t give you the information you need.

Ask your client about the problems they faced. Ask them about solutions they found. Or what they think is the ideal solution. Leave room to ask them follow-up questions. This will help build out the study.

How to present a case study?

When you’re ready to present a case study, begin by providing a summary of the problem or challenge you were addressing. Follow this with an outline of the solution you implemented, and support this with the results you achieved, backed by relevant data. Incorporate visual aids like slides, graphs, and images to make your case study presentation more engaging and impactful.

Now you know what a case study means, you can begin creating one. These reports are a great tool for analyzing brands. They are also useful in a variety of other fields.

Use a visual communication platform like Venngage to design case studies. With Venngage’s templates, you can design easily. Create branded, engaging reports, all without design experience.

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Meaning of case study in English

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  • anti-narrative
  • be another story idiom
  • bodice-ripper
  • cautionary tale
  • in medias res
  • misdescription
  • running commentary phrase
  • semi-legendary
  • shaggy-dog story
  • write something up

case study | American Dictionary

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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.

a case study meaning

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:

 Importance of case studies

  • 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.

Benefits of Case Studies

  • 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.

a case study meaning

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.

a case study meaning

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:

Case study format

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.

Case Study Research Method in Psychology

Saul McLeod, PhD

Editor-in-Chief for Simply Psychology

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

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

Learn about our Editorial Process

Olivia Guy-Evans, MSc

Associate Editor for Simply Psychology

BSc (Hons) Psychology, MSc Psychology of Education

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

On This Page:

Case studies are in-depth investigations of a person, group, event, or community. Typically, data is gathered from various sources using several methods (e.g., observations & interviews).

The case study research method originated in clinical medicine (the case history, i.e., the patient’s personal history). In psychology, case studies are often confined to the study of a particular individual.

The information is mainly biographical and relates to events in the individual’s past (i.e., retrospective), as well as to significant events that are currently occurring in his or her everyday life.

The case study is not a research method, but researchers select methods of data collection and analysis that will generate material suitable for case studies.

Freud (1909a, 1909b) conducted very detailed investigations into the private lives of his patients in an attempt to both understand and help them overcome their illnesses.

This makes it clear that the case study is a method that should only be used by a psychologist, therapist, or psychiatrist, i.e., someone with a professional qualification.

There is an ethical issue of competence. Only someone qualified to diagnose and treat a person can conduct a formal case study relating to atypical (i.e., abnormal) behavior or atypical development.

case study

 Famous Case Studies

  • Anna O – One of the most famous case studies, documenting psychoanalyst Josef Breuer’s treatment of “Anna O” (real name Bertha Pappenheim) for hysteria in the late 1800s using early psychoanalytic theory.
  • Little Hans – A child psychoanalysis case study published by Sigmund Freud in 1909 analyzing his five-year-old patient Herbert Graf’s house phobia as related to the Oedipus complex.
  • Bruce/Brenda – Gender identity case of the boy (Bruce) whose botched circumcision led psychologist John Money to advise gender reassignment and raise him as a girl (Brenda) in the 1960s.
  • Genie Wiley – Linguistics/psychological development case of the victim of extreme isolation abuse who was studied in 1970s California for effects of early language deprivation on acquiring speech later in life.
  • Phineas Gage – One of the most famous neuropsychology case studies analyzes personality changes in railroad worker Phineas Gage after an 1848 brain injury involving a tamping iron piercing his skull.

Clinical Case Studies

  • Studying the effectiveness of psychotherapy approaches with an individual patient
  • Assessing and treating mental illnesses like depression, anxiety disorders, PTSD
  • Neuropsychological cases investigating brain injuries or disorders

Child Psychology Case Studies

  • Studying psychological development from birth through adolescence
  • Cases of learning disabilities, autism spectrum disorders, ADHD
  • Effects of trauma, abuse, deprivation on development

Types of Case Studies

  • Explanatory case studies : Used to explore causation in order to find underlying principles. Helpful for doing qualitative analysis to explain presumed causal links.
  • Exploratory case studies : Used to explore situations where an intervention being evaluated has no clear set of outcomes. It helps define questions and hypotheses for future research.
  • Descriptive case studies : Describe an intervention or phenomenon and the real-life context in which it occurred. It is helpful for illustrating certain topics within an evaluation.
  • Multiple-case studies : Used to explore differences between cases and replicate findings across cases. Helpful for comparing and contrasting specific cases.
  • Intrinsic : Used to gain a better understanding of a particular case. Helpful for capturing the complexity of a single case.
  • Collective : Used to explore a general phenomenon using multiple case studies. Helpful for jointly studying a group of cases in order to inquire into the phenomenon.

Where Do You Find Data for a Case Study?

There are several places to find data for a case study. The key is to gather data from multiple sources to get a complete picture of the case and corroborate facts or findings through triangulation of evidence. Most of this information is likely qualitative (i.e., verbal description rather than measurement), but the psychologist might also collect numerical data.

1. Primary sources

  • Interviews – Interviewing key people related to the case to get their perspectives and insights. The interview is an extremely effective procedure for obtaining information about an individual, and it may be used to collect comments from the person’s friends, parents, employer, workmates, and others who have a good knowledge of the person, as well as to obtain facts from the person him or herself.
  • Observations – Observing behaviors, interactions, processes, etc., related to the case as they unfold in real-time.
  • Documents & Records – Reviewing private documents, diaries, public records, correspondence, meeting minutes, etc., relevant to the case.

2. Secondary sources

  • News/Media – News coverage of events related to the case study.
  • Academic articles – Journal articles, dissertations etc. that discuss the case.
  • Government reports – Official data and records related to the case context.
  • Books/films – Books, documentaries or films discussing the case.

3. Archival records

Searching historical archives, museum collections and databases to find relevant documents, visual/audio records related to the case history and context.

Public archives like newspapers, organizational records, photographic collections could all include potentially relevant pieces of information to shed light on attitudes, cultural perspectives, common practices and historical contexts related to psychology.

4. Organizational records

Organizational records offer the advantage of often having large datasets collected over time that can reveal or confirm psychological insights.

Of course, privacy and ethical concerns regarding confidential data must be navigated carefully.

However, with proper protocols, organizational records can provide invaluable context and empirical depth to qualitative case studies exploring the intersection of psychology and organizations.

  • Organizational/industrial psychology research : Organizational records like employee surveys, turnover/retention data, policies, incident reports etc. may provide insight into topics like job satisfaction, workplace culture and dynamics, leadership issues, employee behaviors etc.
  • Clinical psychology : Therapists/hospitals may grant access to anonymized medical records to study aspects like assessments, diagnoses, treatment plans etc. This could shed light on clinical practices.
  • School psychology : Studies could utilize anonymized student records like test scores, grades, disciplinary issues, and counseling referrals to study child development, learning barriers, effectiveness of support programs, and more.

How do I Write a Case Study in Psychology?

Follow specified case study guidelines provided by a journal or your psychology tutor. General components of clinical case studies include: background, symptoms, assessments, diagnosis, treatment, and outcomes. Interpreting the information means the researcher decides what to include or leave out. A good case study should always clarify which information is the factual description and which is an inference or the researcher’s opinion.

1. Introduction

  • Provide background on the case context and why it is of interest, presenting background information like demographics, relevant history, and presenting problem.
  • Compare briefly to similar published cases if applicable. Clearly state the focus/importance of the case.

2. Case Presentation

  • Describe the presenting problem in detail, including symptoms, duration,and impact on daily life.
  • Include client demographics like age and gender, information about social relationships, and mental health history.
  • Describe all physical, emotional, and/or sensory symptoms reported by the client.
  • Use patient quotes to describe the initial complaint verbatim. Follow with full-sentence summaries of relevant history details gathered, including key components that led to a working diagnosis.
  • Summarize clinical exam results, namely orthopedic/neurological tests, imaging, lab tests, etc. Note actual results rather than subjective conclusions. Provide images if clearly reproducible/anonymized.
  • Clearly state the working diagnosis or clinical impression before transitioning to management.

3. Management and Outcome

  • Indicate the total duration of care and number of treatments given over what timeframe. Use specific names/descriptions for any therapies/interventions applied.
  • Present the results of the intervention,including any quantitative or qualitative data collected.
  • For outcomes, utilize visual analog scales for pain, medication usage logs, etc., if possible. Include patient self-reports of improvement/worsening of symptoms. Note the reason for discharge/end of care.

4. Discussion

  • Analyze the case, exploring contributing factors, limitations of the study, and connections to existing research.
  • Analyze the effectiveness of the intervention,considering factors like participant adherence, limitations of the study, and potential alternative explanations for the results.
  • Identify any questions raised in the case analysis and relate insights to established theories and current research if applicable. Avoid definitive claims about physiological explanations.
  • Offer clinical implications, and suggest future research directions.

5. Additional Items

  • Thank specific assistants for writing support only. No patient acknowledgments.
  • References should directly support any key claims or quotes included.
  • Use tables/figures/images only if substantially informative. Include permissions and legends/explanatory notes.
  • Provides detailed (rich qualitative) information.
  • Provides insight for further research.
  • Permitting investigation of otherwise impractical (or unethical) situations.

Case studies allow a researcher to investigate a topic in far more detail than might be possible if they were trying to deal with a large number of research participants (nomothetic approach) with the aim of ‘averaging’.

Because of their in-depth, multi-sided approach, case studies often shed light on aspects of human thinking and behavior that would be unethical or impractical to study in other ways.

Research that only looks into the measurable aspects of human behavior is not likely to give us insights into the subjective dimension of experience, which is important to psychoanalytic and humanistic psychologists.

Case studies are often used in exploratory research. They can help us generate new ideas (that might be tested by other methods). They are an important way of illustrating theories and can help show how different aspects of a person’s life are related to each other.

The method is, therefore, important for psychologists who adopt a holistic point of view (i.e., humanistic psychologists ).

Limitations

  • Lacking scientific rigor and providing little basis for generalization of results to the wider population.
  • Researchers’ own subjective feelings may influence the case study (researcher bias).
  • Difficult to replicate.
  • Time-consuming and expensive.
  • The volume of data, together with the time restrictions in place, impacted the depth of analysis that was possible within the available resources.

Because a case study deals with only one person/event/group, we can never be sure if the case study investigated is representative of the wider body of “similar” instances. This means the conclusions drawn from a particular case may not be transferable to other settings.

Because case studies are based on the analysis of qualitative (i.e., descriptive) data , a lot depends on the psychologist’s interpretation of the information she has acquired.

This means that there is a lot of scope for Anna O , and it could be that the subjective opinions of the psychologist intrude in the assessment of what the data means.

For example, Freud has been criticized for producing case studies in which the information was sometimes distorted to fit particular behavioral theories (e.g., Little Hans ).

This is also true of Money’s interpretation of the Bruce/Brenda case study (Diamond, 1997) when he ignored evidence that went against his theory.

Breuer, J., & Freud, S. (1895).  Studies on hysteria . Standard Edition 2: London.

Curtiss, S. (1981). Genie: The case of a modern wild child .

Diamond, M., & Sigmundson, K. (1997). Sex Reassignment at Birth: Long-term Review and Clinical Implications. Archives of Pediatrics & Adolescent Medicine , 151(3), 298-304

Freud, S. (1909a). Analysis of a phobia of a five year old boy. In The Pelican Freud Library (1977), Vol 8, Case Histories 1, pages 169-306

Freud, S. (1909b). Bemerkungen über einen Fall von Zwangsneurose (Der “Rattenmann”). Jb. psychoanal. psychopathol. Forsch ., I, p. 357-421; GW, VII, p. 379-463; Notes upon a case of obsessional neurosis, SE , 10: 151-318.

Harlow J. M. (1848). Passage of an iron rod through the head.  Boston Medical and Surgical Journal, 39 , 389–393.

Harlow, J. M. (1868).  Recovery from the Passage of an Iron Bar through the Head .  Publications of the Massachusetts Medical Society. 2  (3), 327-347.

Money, J., & Ehrhardt, A. A. (1972).  Man & Woman, Boy & Girl : The Differentiation and Dimorphism of Gender Identity from Conception to Maturity. Baltimore, Maryland: Johns Hopkins University Press.

Money, J., & Tucker, P. (1975). Sexual signatures: On being a man or a woman.

Further Information

  • Case Study Approach
  • Case Study Method
  • Enhancing the Quality of Case Studies in Health Services Research
  • “We do things together” A case study of “couplehood” in dementia
  • Using mixed methods for evaluating an integrative approach to cancer care: 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.

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  • a study of an individual unit, as a person, family, or social group, usually emphasizing developmental issues and relationships with the environment, especially in order to compare a larger group to the individual unit.
  • case history .
  • the act or an instance of analysing one or more particular cases or case histories with a view to making generalizations

Word History and Origins

Origin of case study 1

Example Sentences

In a case study from Metric Theory, Target Impression Share bidding, the total cost per click increased with both mobile and desktop devices.

It would also become the subject of a fair number of business school case studies.

Not just blog posts, you can also share other resources like case studies, podcast episodes, and webinars via Instagram Stories.

They become the architecture for a case study of Flint, expressed in a more personal and poetic way than a straightforward investigation could.

The Creek Fire was a case study in the challenge facing today’s fire analysts, who are trying to predict the movements of fires that are far more severe than those seen just a decade ago.

A case study would be your Twilight director Catherine Hardwicke.

A good case study for the minority superhero problem is Luke Cage.

He was asked to review a case study out of Lebanon that had cited his work.

Instead, now we have a political science case-study proving how political fortunes can shift and change at warp speed.

One interesting case study is Sir Arthur Evans, the original excavator and “restorer” of the Minoan palace of Knossos on Crete.

As this is a case study, it should be said that my first mistake was in discrediting my early religious experience.

The author of a recent case study of democracy in a frontier county commented on the need for this kind of investigation.

How could a case study of Virginia during this period illustrate these developments?

Related Words

  • medical history

Essay Assignment Writing Tips for Students of MBA, Masters, PhD Level

Text for Mobile

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

What is the definition of a case study.

A case study is typically a research paper to generate an in-depth and multi-faced understanding of any complicated issue in a life scenario. It is a well-written research design that is very commonly used in a wide range of disciplines.

What Is a Case Study

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Case Study Examples

  • Marketing case study examples: Case studies in marketing are written to show your success, and you must always prominently showcase your buoyant suits. You can use bright, bold colours with many contesting fonts, shapes, and simple icons to highlight your case study.
  • You need to highlight your big win on the 2nd page with a bright orange colour with highlighted circles.
  • Make the essential data stand out exceptionally to track your prospective customers.
  • Marketing all the critical data is very important in your marketing case study.

Use a straightforward and crystal clear layout of the case study.

  • Using a straightforward layout in any case study is very effective. For example, keeping a spotless white background and drawing slim lines helps to separate these sections in a specific way for formatting the case study.
  • Making the information clear helps draw attention to the results and helps to improve the accessibility of the design.
  • The case study examples must sit nicely with more extended reports and a consistent layout.

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What Are the Types of Case Studies?

Case studies can be categorized into several types based on their focus and purpose. Here are some common types of case studies:

types of case studies

  • Collective Case Studies : These types of case studies involve investigating any group of individuals. Here, the researchers need to study a group of people in a specific setting or any community. Ex: Psychologists must explore how access to the resources in any society can affect people’s mental wellness.
  • Descriptive Case Studies: These involve starting with any descriptive theory. The subjects are then observed, and the gathered information is compared to the preexisting approaches.
  • Explanatory Case Studies: These types of case studies are primarily used to conduct any casual investigation. Here, the researchers are more interested in looking for the factors that caused specific results.
  • Exploratory Case Studies : These case studies are conducted when researchers want to explore a new or relatively unexplored topic. They are more open-ended and aim to generate hypotheses and ideas for further research.
  • Instrumental Case Studies : These case studies are selected because they provide insights into a broader issue or theory. The case is used as a means to investigate a more general phenomenon.
  • Intrinsic Case Studies : In these case studies, the case itself is of particular interest due to its uniqueness or rarity. The goal is not to generalize findings to a larger population but to understand the specific case deeply.
  • Pilot Case Studies : Pilot case studies are conducted as a preliminary investigation before launching a larger study. They help researchers refine their research questions, methods, and procedures.
  • Problem-Oriented Case Studies : These case studies focus on solving a specific problem or addressing a particular issue. Researchers aim to provide practical solutions based on their analysis of the case.
  • Ethnographic Case Studies : Ethnographic case studies involve immersing the researcher in the subject’s environment to gain an in-depth cultural understanding. This is often used in anthropology and sociology.
  • Longitudinal Case Studies : Longitudinal studies involve observing and analyzing a case over an extended period of time. This allows researchers to track changes, developments, and trends that occur over time.
  • Comparative Case Studies : Comparative case studies involve comparing two or more cases to draw similarities, differences, and patterns between them. This type of study is often used to test hypotheses or theories.
  • Critical Instance Case Studies : Critical instance cases are chosen because they represent a crucial or pivotal event that can provide insights into a larger issue or theory.

Each type of case study serves a different purpose and is designed to answer specific research questions. Researchers choose the type of case study that best aligns with their objectives and the nature of the phenomenon they are investigating.

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What Are the Methods of a Case Study?

A   case study research   is a qualitative research design. It is often used in the social sciences since it involves observing the cases or subjects in their settings with the most minor interference from the researcher.

In the case study method, the researchers pose a definite question raging any individual or group for testing their hypotheses or theories. This is done by gathering data from the interviews with the essential data.

Case study research is a perfect way to understand the nuances of any matter often neglected in quantitative research methods. A case study is distinct from any other qualitative study in the following ways:

  • Focused on the effect of any set of circumstances in any group or any individual
  • It mostly begins with any specific question regarding one or more cases
  • It usually focuses on the individual accounts and its experiences

The primary features of case study research methods are as follows:

  • The case study methods   must involve the researcher asking a few questions of one person or a small group of people who are known as the respondents for testing the survey.
  • The case study in the research mythology might apply triangulation to collect data. It is then analyzed and interpreted to form a hypothesis to be tested through further research or validated by other researchers.
  • Concepts are defined using objective language with references to the Preconceived Notions. These individuals may have about them. A researcher sets out to discover by asking any specific question on how people think about their findings.
  • The case study method needs a clear concept and theory to guide the processes. A well-organized research question is fundamental while conducting any case study since its results depend on it. The best approach for answering the research questions is challenging the preexisting theories, assumptions or hypotheses.

a case study meaning

Benefits and Limitations of Case Studies

The benefits of case studies are as follows:

  • Case studies give many details to be collected and will be easily obtained by the other research designs. The collected data is mostly richer than that can be funded via different experimental methods.
  • Case studies are primarily conducted on the rare cases where more extensive samples of similar participants are unavailable.
  • Within certain case studies, scientific experiments can also be conducted.
  • The case studies can also help the experimenters adapt the ideas and produce novel hypotheses for later testing.

Disadvantages of Case Studies

  • One of the main criticisms in case studies is that the collected data cannot necessarily be generated for any broader population. This can lead to data being collected over any case study that is only sometimes relevant or useful.
  • Some of the case studies still need to be scientific. Many scientists used case studies for conducting several experiments, the results of which were only sometimes very successful.
  • Case studies are primarily based on one person, so it can be only one experimenter who is collecting the data. This can lead to a bias in data collection that can influence the results in frequent designs.
  • Drawing any definite cause or effect from many case studies is sometimes challenging.

Importance of Case Study

  • A case study is a particular research h method involving an up-close and in-depth investigation of any subject, and it is related to a contextual position. These are produced by following a research form. The case study helps in bringing the understanding of any complex issue. This can extend experience or add strength to the already existing knowledge via the previous research. The contextual analysis revolves around a small number of events or situations.
  • Researchers have used case studies for an extended period, and they have been successfully applied in various disciplines like social sciences.

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Seriosity

Case Study Method Advantages and Disadvantages: Essential Insights for Success

seriosity featured image

Ever wondered why the case study method is so popular in fields like business, psychology, and education? It’s because case studies offer a unique way to dive deep into real-world scenarios, allowing you to explore complex issues in a detailed manner. By examining specific instances, you gain insights that are often missed in broader surveys or theoretical research.

But like any other research method, the case study approach has its pros and cons. While it provides in-depth understanding and rich qualitative data, it can also be time-consuming and sometimes lacks generalizability. So, how do you decide if it’s the right method for your research? Let’s explore the advantages and disadvantages to help you make an informed choice.

Key Takeaways

  • In-Depth Insights: Case studies provide comprehensive and detailed data by exploring specific real-world scenarios, often revealing nuances and contexts missed by broader research methods.
  • Qualitative and Quantitative Data: This method involves gathering a mix of qualitative and quantitative data, enhancing the richness and depth of the research.
  • Challenges of Generalizability: While case studies offer in-depth insight, their findings are often specific to the case and may not be broadly applicable to other settings or situations.
  • Time-Consuming Process: Conducting case studies requires significant time and effort, which can be a limitation for busy entrepreneurs and researchers needing quick insights.
  • Strategic Application: Use case studies when exploring unique business models, understanding specific customer behaviors, or analyzing specific scenarios, but employ strategies like diversifying sources and effective time management to mitigate potential drawbacks.

Understanding the Case Study Method

Curious about how the case study method can enhance your entrepreneurial journey? Let’s break it down.

What Is a Case Study?

A case study is an in-depth investigation of a single entity, such as an individual, group, organization, or event. By focusing on real-life contexts, it provides comprehensive insights that can unveil unique patterns typically missed by broader research methods. This method involves a mix of qualitative and quantitative data collection techniques, including interviews, observations, and document analysis.

How Case Studies Are Used in Research

Researchers use case studies extensively across various fields due to their flexibility and depth of analysis. In business, they help you understand market trends, customer behavior, and effective strategies by examining real-life examples. Successful startups often serve as case studies, providing valuable lessons for budding entrepreneurs. In education, case studies contextualize theories, making learning more relatable. In psychology, they offer detailed explorations of specific issues or treatments, which can inform broader practices.

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Advantages of the Case Study Method

The case study method stands out in business and entrepreneurial research, offering in-depth insights and practical lessons.

In-Depth Data Collection

You gather comprehensive data through case studies, using techniques like interviews, observations, and document reviews. By employing both qualitative and quantitative methods, you gain a thorough understanding of real-world applications and business strategies. This approach lets you explore each aspect of a business scenario, providing detailed evidence for your insights.

Uncovering Nuances and Context

Case studies reveal unique patterns and hidden details often missed by broader research methods. When you analyze a successful startup, you uncover specific strategies that contributed to its success. This method helps you understand the context behind decisions, market conditions, and customer behavior, offering actionable insights for your entrepreneurial endeavors. By focusing on the nuances, you can apply these learnings to your own business and side-hustles, refining your strategies for better outcomes.

Disadvantages of the Case Study Method

Despite the many advantages, the case study method also presents several challenges that can impact its effectiveness in business contexts.

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Limitations in Generalizability

Case studies provide in-depth insights into specific scenarios; however, they often lack broad applicability. When focusing on a single business or entrepreneur, findings may not represent the experiences of others. For instance, a strategy that worked for a particular online startup might not yield the same results for a different venture due to varying market conditions and business models. Limited sample sizes in case studies further constrain their generalizability, making it difficult to formulate universal conclusions or industry-wide trends.

Time-Consuming Nature

Conducting case studies requires significant time and effort. Collecting data through interviews, observations, and document reviews can be particularly exhaustive. As an entrepreneur juggling multiple side-hustles, dedicating time to such detailed research might detract from hands-on activities that directly impact your business. Long research durations also delay the availability of insights, making them less timely or relevant in rapidly evolving market conditions. This time-intensive nature can be a deterrent, especially when quick decision-making and agility are crucial for business success.

Balancing the Pros and Cons

For entrepreneurs and business enthusiasts like you, the case study method offers a way to dive deep into specific business scenarios. It’s a powerful tool, but it has both benefits and challenges.

When to Choose Case Study Method

Use the case study method when you need detailed, practical insights. This method works well when exploring unique business models, understanding specific customer behaviors, or examining the success strategies of other startups. Large-scale statistics can’t capture the nuances you get from a focused case study.

  • Launching a new product and needing to understand early adopter behavior.
  • Analyzing a failed competitor to learn what went wrong.

Strategies to Mitigate Disadvantages

To mitigate the limitations of case studies, employ these strategies:

  • Diversify Sources : Include multiple case studies to build a broader understanding, reducing the risk of overgeneralization.
  • Time Management : Allocate specific time slots for case study research to prevent it from consuming your hands-on business activities.
  • Collaborate : Work with others to share the research load and bring in diverse perspectives.

These strategies help you get the most out of the case study method while addressing common drawbacks.

The case study method offers a unique way to gain in-depth insights and analyze complex scenarios in various fields. While it has its challenges like time consumption and limited generalizability you can still leverage its strengths by using diverse sources and effective time management. Collaborating with others can also help you make the most out of your case studies. By understanding when and how to use this method you’ll be better equipped to harness its full potential for your business or research endeavors.

Frequently Asked Questions

What are the primary benefits of the case study method in business.

The case study method offers detailed insights, helps analyze market trends, and understands customer behavior through both qualitative and quantitative data collection techniques.

What fields commonly use the case study method?

The case study method is popular in business, psychology, and education for its ability to provide comprehensive and detailed insights.

What are the main disadvantages of using the case study method in business?

The main disadvantages include limitations in generalizability and the time-consuming nature of conducting in-depth research.

How can businesses mitigate the limitations of the case study method?

Businesses can mitigate limitations by diversifying their data sources, managing research time effectively, and collaborating with others to enhance the quality and applicability of their case studies.

When should entrepreneurs and business enthusiasts choose the case study method?

Entrepreneurs and business enthusiasts should choose the case study method when they need detailed, qualitative insights that cannot be captured through other research methods.

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The High Note of Meaning: A Case Study of Public Service Motivation of Local Government Officials

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1. Introduction

It is argued that public service morale has been declining in many countries due to the pressure of maintaining the same level of efficiency with less resources as well as a perceived lack of opportunity for career advancement and personal growth (UNDP 2014). The centrality of public service employees’ intrinsic motives and concern for the common good of society is of such extent that it integrates the definition of public service itself. The actual behavior linked to public service motivation (PSM) is more commonly explained in the light of institutional theory (e.g., Perry and Vandenabeele 2015; Vandenabeele 2007), advocating for a set of common public values that define how society should be organized. While this call for public service is not monolithically altruistic, the valorization of intrinsic and extrinsic rewards by those who have it diverges significantly from their private counterpart. What is more, evidence shows that PSM not only predicts the choice to serve the public good but also attracts to public organizational cultures employees committed to the same vision and values (Perry 2012).

High levels of PSM may also strengthen the workforce resilience to face challenging times, minimizing the impact of other contextual and situational factors. Vandenabeele et al. (2018) aggregated results showing the average PSM variation across nations, and a relatively recent study of PSM adapted to the European context (Vandenabeele 2004), while reflecting similarities in motivational determinants and factors, also mirrored the overarching values of each culture.

With mediation through individual performance, PSM is seen to increase organizational performance, job satisfaction, and organizational commitment (Vandenabeele et al. 2018).

Although PSM studies have been recently gaining preponderance amongst European scholars (in particular in the Netherlands, Denmark, and Italy), in other countries, such as Portugal, the PSM antecedents and outcomes are under-researched and overlooked in the political arena. In 2015, the first and only report on government public servants’ motivation revealed that almost 40% of the employees felt demotivated to perform their job. Such results were partly explained by the worldwide economic crisis that occurred in the late 2000s with severe impacts on the Portuguese public administration. Despite acknowledging the importance of the topic and that the study only portrayed central government workers, no further surveys were conducted.

Furthermore, despite public servants being perceived as harboring a more idealistic view on the meaning of their work and intrinsic motives (e.g., Thompson and Christensen 2018), little research has been conducted on the actual relation of PSM and the meaning attributed to work. Some research has addressed the relation between PSM and the idea of calling (e.g., Thompson and Christensen 2018; Vogel 2020) and meaningfulness (e.g., Zheng et al. 2020). It was found that PSM is a fundamental driver for workers to justify the meaningfulness of their work, especially in the presence of situational constraints (Zheng et al. 2020). The mediator role of the meaningfulness of work, according to the conceptualization of Lepisto and Pratt (2016) as a realization process (achieving a positive social impact) and a justification process (justifying the work through it having a positive social impact), was confirmed concerning job satisfaction. Other related conceptualization that gained a renewed interest in the field of psychology (Arnoux-Nicolas et al. 2017; Morin 2008; Steger et al. 2012) is the notion of the meaning of work (MOW). Both PSM and MOW not only were overlooked in the Portuguese context, as, to the best of our knowledge, no study has focused on how they may be associated specifically at the local level of public administration. Even though PSM may guide career choices, it is not guaranteed that the sense that meaning and purpose is actually found when working for public service interest (Thompson and Christensen 2018). Providing an overarching framework for the relation between individuals and their socioprofessional environment, the exploration of the relation between MOW and PSM may deepen our understanding of the PSM dimension of meaning. The present study contributes to this topic by aiming at characterizing the PSM (Perry 1996) and the MOW (Arnoux-Nicolas et al. 2017) of local government public servants within the Portuguese context. After more than four decades of democracy, local governments face new challenges and grasp new roles. On the one hand, the 2008 economic downturn and the COVID-19 pandemic have amplified municipalities’ role in service delivery, trying to provide citizens social and economic conditions to maintain the minimum standards of quality of life while seeking to sustain costs and increase efficiency and defining new agendas to cope with global challenges. On the other hand, the decentralization process in Portugal since 2018 in sectors such as education, health, and culture has significantly increased municipalities’ competences. Such a shifting context requires an appropriate institutional framework and qualified human resources, creating in turn an added pressure on public workers’ engagement to such changes and ways of working.

This study is guided by the general research question: what are the main features of the PSM and MOW of local government workers in the Portuguese context? A more specific research question is: how do PSM and MOW interact at the local level of public administration? The notion of meaning and meaningfulness is often conceptually associated with PSM and included in its measurement, referring to public service and duty in abstract terms. We argue that the MOW construct, focusing on the underlying meaning found in the job, work, and tasks, enriches the interpretation of the meaning associated with public service, not only as a goal but also as a process.

A quantitative approach was employed, and local government workers in 17 Portuguese local councils of the NUTSII North region were surveyed.

The remainder of the paper is structured as follows: The next section is a literature review that includes the state of the art of the research in PSM and the MOW and a brief characterization of the public administration in Portugal, the context of our study. The methods section follows with the sample description and the characterization of the instrument, which includes the principal component analysis of the two scales used (PSM and MOW). The subsequent section presents the results and discussion of the findings, followed by the conclusions.

2. Public Service Motivation and the Meaning of Work

Motivation is a fundamental element for workers’ performance, substantially influencing their effort, wellbeing, and productivity (Vandenabeele et al. 2018). This being true for workers of all sectors (e.g., Lévy-Leboyer 2006), the determinants and contextual factors applicable to the public sector, specifically, are a recent topic of interest. Increasingly informed citizens who expect and demand more from public services have challenged the productivity and sustainability of the public administration of OECD countries and, subsequently, from who is performing and offering them. In this regard, a well-known metaphor representing public sector workers is the one portraying them as ‘knights or knaves’, who are either driven by altruism in serving the public good or acting according to their own self-interest (Le Grand 2006). Even though it is arguable that public servants fall in either of these poles, this representation may shape public servants’ expectations, attitudes, and behaviors towards the context of public administration from central to local governments. As a matter of fact, the ‘knaves’ perspective was considerably strengthened by the new public management (NPM) that was widespread in the 1980s, advocating for little intervention of the state, efficiency, responsibility, and performance. Henceforth, these descriptors of the managerial practices of the private sector ended up describing the workers of that same system (Casebourne 2014).

The measurement of PSM takes both perspectives, altruistic and rational/self-interest-based, into account (Perry and Wise 1990; Perry 1996, 2012). This concept gained traction in the 1990s, first circumscribed to US public servants and gradually expanding to other geocultural contexts (Perry 2014). Its definition relates to positive attitudes and beliefs of a rational, normative, and affective nature towards public service envisaging societal wellbeing (Christensen et al. 2017). The rational motivational drivers encompass the workers’ identification with the services and program and the possibility to participate in good public policies, to serve a social interest, and to believe that it will be possible to privilege a specific group through belonging to a public organization (Perry and Wise 1990). The normative dimension of motivation applies to professionals who are driven by giving back to society and by norms to serve the public interest (Wright and Pandey 2008). It is essentially an altruistic desire (Perry 1996; Perry and Wise 1990) that is also connected to affective motives concerning the commitment to a public program as part of an identification and the conviction of its social relevance, a “patriotism of benevolence” fueled by the will to protect everyone’s basic rights (Perry and Wise 1990).

The rational and self-interest-based motives, less knight and more knave, also partake in this construct as well as the bias in researching the more altruistic and others-oriented dimension of this value (Ritz et al. 2016). In this regard, a conceptual nuance is proposed to regard PSM as including whichever motives drive people to engage in meaningful public service (Spitzmueller and van Dyne 2013; Thompson and Christensen 2018). According to Asseburg and Homberg (2020) in a recent meta-analysis on the antecedents of public sector choice and public employment, PSM is consistently a significant antecedent (while the results do not allow for causal inference). This finding reinforces the behavioral implications found by Perry and Wise (1990) stating that (i) citizens with a higher PSM will more likely seek membership in a public organization and will have better individual performances and job satisfaction (Zheng et al. 2020) and (ii) public sector institutions that attract workers with high PSM will be less dependent on utilitarian incentives to motivate performance.

The first conceptualization of PSM (Perry 1996) outlined four dimensions, namely, ‘Commitment to Public Values’ (norm-based motive to pursue public values); ‘Compassion’ (affective commitment to protect people from distress and care for others’ welfare); ‘Self Sacrifice’ (prosocial tendency to endure personal sacrifices benefiting the wellbeing of others); and ‘Attraction to politics and policy making’ (instrumental motives resulting from enjoyment in serving the public interest). A similar factorial structure was found in further studies (e.g., Vandenabeele 2008), including a cross-culture survey (Kim 2009).

Strong evidence suggests that, after controlling for several sociodemographic variables, public employees find it more important to help others than their private counterparts. PSM may thus be seen as a particular type of prosocial motivation, encompassing a desire to benefit other people and contribute to society (Grant 2008). Others regard it as a type of intrinsic motivation, with the important difference that it does not imply an inherent enjoyment (Deci and Ryan 2004).

Aggregate findings of PSM research suggest some systematic patterns regarding gender, age, and educational attainment. Women tend to present higher levels of PSM, partially explained by gender stereotypes and processes of socialization that value caretaking and support vis-á-vis a more competitive and dominant male orientation (Bright 2005; Kitay 2015). Higher levels of educational attainment also accompany higher PSM, suggesting a correlation between access to education, abstract thought, and the awareness of the value carried by public service to society as a whole (Bright 2005). Higher levels of PSM are more common in older employees, attributed to a long path of socialization advocating for the superior value of the public service (Bright 2005; Ritz et al. 2016). High levels of PSM are also positively and significantly related to job satisfaction and job performance (e.g., Wright and Pandey 2008; Kim 2005; Steijn 2008), increased organizational commitment (Thompson and Christensen 2018), engagement and performance (e.g., Bellé and Cantarelli 2012; Zheng et al. 2020), and preference for the public sector (Houston 2000; Ritz et al. 2016).

The concept of meaning, either as antecedent, process, or outcome, is key when addressing engaged and motivated activity and in predicting work to be central and important, not just a means to an end (Steger et al. 2012). This is even truer in public sector institutions with more of a committed social impact and public employees motivated by a sense of service and greater chances to enact higher and altruistic motives (Wright 2003). As put forth by Kim (2005), these workers consider that performing work that is helpful to society is more satisfying than other job features. The MOW is known to be influenced by the skill variety, task identity, task significance, autonomy, and feedback from the job. Despite the importance of remuneration as an extrinsic factor of necessity, it was found that, even when they have enough money, individual still continue to work, perceiving it as a mean-to-an end as well as a ‘source of personal fulfilment’ and ‘stimulating and/or challenging’ (Morse and Robert 1955).

Recent approaches to MOW highlight the growth in the importance of nonfinancial aspects, encompassing a wide array of factors linked to relational characteristics (e.g., social stability, personal relations, and moral correctness), intra-individual features (e.g., autonomy, affective commitment, mental health, and personal interests), and situational aspects (e.g., task features and excitement) (Lee et al. 2017; Lichtenstein et al. 2017; Morin 2008; Oliveira and de Souza 2014).

Despite gaining a new breadth in the aftermath of the financial crisis of 2008, this topic has been, to the best of our knowledge, relatively overlooked in the Portuguese context (Madureira and Rodrigues 2015; Lira and Silva 2015). We argue that its assessment, besides providing new data of another cultural context to the literature on PSM, thus enabling further comparisons and fine-tuned adaptations of the measurement, is a first step to practical managerial implications that may affect correlated variables such as organizational performance, job satisfaction, and organizational commitment. This is even more important in a context that, besides the heavy impact of the financial crisis and the COVID-19 pandemic, is undergoing a process of public service decentralization whose changes have faced some resistance.

3. The Case of the Portuguese Public Administration

“It is nine o’clock in the morning of July 1980. A mother and her child walk towards the office of the Civil Registry Office in the city of Oporto to obtain his identity card for the first time. A long line of people awaits them in that neighborhood block of the city center. The public servant will attend them luckily before lunchtime. For the mother, who works in a small company, and for all those waiting as well, the morning is already completely lost regarding the job” (Tavares 2019, p. 9).

This description by Tavares (2019) reveals a twofold perspective on the relevance and efficiency of the services provided by the Portuguese public administration. On one hand, the crucial role of public sector institutions in providing services to the citizens is clear, regardless of the ongoing debate about their ways and nature (public vs. private). On the other hand, it reflects how these entities used to function in the first years following the transition to democracy in 1974. In the following years, a process of modernization was set in motion entailing profound changes in the relationship between citizens, politicians, and employees. The increasing state intervention in the fields of health, education, and social security also meant an increase of the number of employees in the public administration, a growth trend that persisted until 2005, reaching 560,000 workers. Since then, a slight decrease was observed following the financial crisis of 2008 and the cuts enforced by the Troika intervention following the logic of “two out, one in”.

In the first ten years after the revolution, the focus on political affairs and socioeconomic recovery superseded the restructuring of the public administration, regarded then in a negative light as an inefficient tool of safety and wellbeing for the Portuguese, featuring low education professionals (DGAEP 2013). Its restructuring and the concern for public administration professionalization only began after Portugal joined the European Union, and today it is one of the sectors with better-qualified employees (Tavares 2019).

Following the same trend observed in other countries shifting from an interventionist state to a new paradigm (new public management), systematic efforts were deployed to improve the productivity, quality, efficiency, and competition of public administration through public calls and temporary job contracts to reduce expenses and achieve better results (Virtanen and Kaivo-oja 2015). In Portugal, the National Council for Quality was created in 1992, pushing forth measures allowing for privatization, less bureaucratization, and the need to foster a connection and transparency in the relation between central and local administrations and the citizens (Madureira and Rodrigues 2015). However, the exploration of a traditional public service by the private sector, while reducing costs, lacked quality. Furthermore, the discourse of efficiency, linked to simplifying bureaucratization, was used as a means and target of abusive party nominations, leading to a less efficient administration (Tavares 2019).

In the first decade of this century, the integrated system of performance evaluation in public administration (SIADAP) shifted the focus from processes to results and goals, which in theory should be negotiated between those in charge and workers. According to Tavares (2019), the implementation of this measure fell short of ideal, with specific goals shadowing others that will not be included in the assessment (especially when they have to be quantified). In addition, SIADAP’s assessment quotas constrain access to high evaluation ratings, which may have an impact on the motivation of those without access because of this regulatory mechanism.

In the aftermath of the 2008 crisis, many changes were enforced in the organization of service provision, including cuts to overtime hours, subsidies, holidays, and 35 to 40 weekly hours (Costa et al. 2014). These measures aggravated the gap between classes with higher and lower incomes and increased poverty and unemployment, the latter especially in younger groups, generating a vast wave of discontent and strikes in several sectors of public administration, including health and education (Fonseca and Ferreira 2016; Costa et al. 2014).

From 2019 to 2021, with the COVID-19 pandemic it was necessary for the public administration as well as other areas of social and economic activity to adapt to new models of work organization in order to face the set of challenges ahead. Teleworking was widely implemented in public administration as the only viable option to maintain the work flow, albeit with shortcomings such as social and professional isolation and the lack of contact with colleagues (DGAEP 2013 for a more comprehensive report, see also Forte et al. 2021).

With this analysis of PSM and MOW in civil servants, we argue for the fruitful pairing of the two measurements, considering MOW a very useful complement to the assessment of the meaning entailed by PSM, often in generic terms.

4. Materials and Methods

4.1. Sample and Procedure

This study adopted a nonprobabilistic purposeful sample, contacting all the local government institutions in the NUTS-II North region of Portugal ( n = 86), chosen as a first assessment of the public service motivation of local government officials with a territorial common denominator. The beginning of the COVID-19 outbreak impaired the process of data collection and, facing the postponement of several municipalities and risking significant and unforeseeable delays due to the pandemic, we imposed a period for data collection within which 17 small and medium-sized municipalities agreed to participate and collaborate. An online questionnaire in google forms was made available from February to June 2020.

A total of 252 public servants were involved in the study. The larger two local government institutions cover about 70% of the sample, with the remaining 30% being distributed among 15 institutions (see Table 1).

About 71% ( n = 180) of the participants were female, and 29% (n = 72) were male. The majority of those surveyed (41%, n = 104) were between 31 and 45 years old, and 86 were between 46 and 55 years old. A total of 35% worked in the sector for more than 20 years, 25% ( n = 64) worked for between 11 and 20 years, and 22% worked between 1 and 5 years, while 29% ( n = 73) worked at the institution for more than 20 years, and 27 % ( n = 68) worked from 1 to 5 years. A total of 46% ( n = 115) had graduated, and 35% had secondary education (n = 75). The majority (82%, n = 206) were tenured.

4.2. Instrument

The applied questionnaire included a section with sociodemographic data (age, sex, years working in public administration, years working at the current institution, type of contract, and qualifications) and two scales:

Public Service Motivation scale (Perry 1996). This scale comprises twenty-four Likert items (1 corresponding to totally agree and 5 to totally disagree). The translation of the original English version to Portuguese (Appendix A) benefited from the collaboration of a native speaker. A principal component analysis was conducted with the 24 items with orthogonal rotation (varimax) in the sample of 252 participants (Table 2). The Kaiser–Meyer–Olkin measure attested to the adequacy of the sample (KMO = 0.804), and the Bartlett sphericity test (qui square (276) = 1732.188, p = 0.00) indicated that the between-item correlations were adequate. Only the items with coefficients higher than 0.35 were retained, and the analysis resulted in four factors with eigenvalues higher than 1. The distribution of items for the factors only exactly matched the dimension of ‘Self-sacrifice’ (α = 0.74). The others, considering the items phrasing in Portuguese and aggregation, were renamed as ‘Dedication to public interest’ (α = 0.77), ‘Politics disbelief’ (α = 0.65) and ‘Indifference’ (α = 0.63), with acceptable indexes of reliability (Pestana and Gageiro 2008). The first factor, ‘Self-sacrifice’, included eight items related to the ability of professionals to ensure citizens’ wellbeing, even at their own expense. The second factor, ‘Dedication to Public Interest’, included seven items focused on the ability of professions to see public service as something essential in their lives in which citizens’ needs should come first. The third factor, named ‘Disbelief in Politics’, included four items related to politics and the ways in which citizens regard it. The fourth factor, ‘Indifference’, was composed of five items searching to understand if the workers were concerned with others’ interest in society (renamed as such in opposition to the previous ‘Compassion’ to facilitate the interpretation in the cultural context).

The Meaning of Work inventory / Inventaire du Sens du travail (MOW), developed by Arnoux-Nicolas et al. (2017), is composed of 20 items. The version used was the first available translation to the Portuguese language (Cabrita 2017). To assess the psychometric characteristics of the Portuguese version of MOW ( IST—Inventário do Significado do Trabalho ), an exploratory factor analysis was conducted using a principal component analysis with varimax rotation (Table 3). The results from the Kaiser–Meyer–Olkin measure and the Bartlett sphericity test showed that the sampling was adequate for the adjustment of the data (t (252) = 0.804; p < 0.001). Two factors were extracted, explaining 43.12% of the variance: purpose of work (PW) (nine items, α = 0.86) and uselessness of work (UW) (ten items, α = 0.73). These two dimensions were aligned with the results of Demirkasimoglu (2015), where the authors advocated that “working” is a multidimensional concept with both negative and positive sides, considering the psychological terms.

5. Results and Discussion

5.1. What Characterizes Public Service Motivation of Local Government Workers?

The analysis of the results regarding public service motivation suggests that, with the exception of ‘Indifference’, all the dimensions presented above average scores. ‘Dedication to public interest’ was the most relevant factor for the local government workers surveyed (M = 3.94; DP = 0.60), followed by ‘Self-sacrifice’ (M = 3.70; DP = 0.61), both aligned with the representation of public workers putting the public interest first (Perry 1996). This result was reinforced by the high level of disagreement with items related to ‘Indifference’, a dimension aggregating items that reveal a disregard for others’ wellbeing and instrumental and utilitarian motives (M = 1.89; DP = 0.61). It is worth highlighting that the phrasing and cultural semantics of the ‘Indifference’ items in Portuguese convey a very negative valence within a value system that still advocates for benevolence, community, and genuineness opposing individualism and excessive utilitarianism (ESS-ERIC e ICS-ULisboa 2022). This is even truer in a context of public service and local government. We did not control for social desirability, but it was not expected that local government employees would condone such a candid affirmation of indifference or self-interest. On the other hand, the considerable agreement with the dimension “Politics disbelief” (M = 3.4; DP = 0.78) reflects a suspicious attitude towards politics and politicians that is not uncommon to be candidly expressed, often in abstract terms (ESS-ERIC e ICS-ULisboa 2022). Its coexistence with the belief in public service transparence and politics suggests a scattered representation of institutions guided by norms and values as opposed to politics, which are more subjected to personal and parties’ shortcomings. Despite our results being from one NUTSII region, at least taking data on values as a reference, no significant differences were found between different regions, suggesting a relative cultural homogeneity on this matter (ESS-ERIC e ICS-ULisboa 2022).

As evidenced by the most salient items of the dimensions ‘Dedication to public interest’ and ‘Self-sacrifice’, the service and the public system are seen as part of a perspective of social and deontological values (PSM39—I consider public service my civic duty; PSM17—I feel people should give back to society more than they get from it) and individuals, guiding the personal conduct (PSM30—Meaningful public service is very important to me; PSM23—I unselfishly contribute to my community).

Student’s t -test was applied to compare the differences between the mean scores of the female and male participants on the four subscales of PSM. Even though men ranked slightly higher than women in all dimensions, the differences between groups were not significative. As depicted in Table 4, we may consider that both groups presented high levels of ‘dedication to public interest’, moderate scores in ‘self-sacrifice’ and ‘politics disbelief’, and very low in ‘indifference’. This result is not aligned with previous findings (e.g., Bright 2005; Kitay 2015) in which women presented higher levels of PSM but is partially coherent with Perry (1996), in which men presented higher levels of self-sacrifice. The differences in gender effects may be explained by distinct cultural values affecting gender roles and representations. The lack of systematic patterns strengthens the necessity of exploring different contexts and different samples to test the cultural sensitivity and meaning of the items in a given national and organizational context (Kim 2009). For the remaining variables, there were no significant statistical differences.

A between-subjects ANOVA was conducted to explore the differences in public service motivation according to age, education, years in the organization, years in public administration, and the type of contract.

The results of participants of different ages only differed significantly ( p < 0.05) in ‘Dedication to public interest’ F (4.251) = 4.41, p = 0.002, which was more evident in participants above 55 years old (M = 4.05; DP = 0.56). The same was true for ‘self- sacrifice’ (M = 3.85; DP = 0.54). This result may be explained by the feeling of generativity coming with age alongside the wish to contribute and give back to society (Leisink and Steijn 2009). It is also coherent with previous findings (Bright 2005; Kitay 2015).

On a different note, workers between 45 and 55 years old were those with a more favorable attitude towards individualist positions of ‘indifference’’, which may result from privilege ensuring or consolidating their position and wellbeing at the institution where they have invested several years of their career instead of a concern for others.

The differences in educational qualifications (considering that secondary education, graduation, and master degrees corresponded to 93.6%) were significant concerning self-sacrifice (F (5.251) = 5.09, p = 0.000), with master degree students being more willing to make sacrifices (M = 3.75; DP = 0.58) and presenting a higher dedication to the public interest (M = 4.11; DP = 0.53). On the other hand, ‘politics disbelief’ was more common in graduated participants (M = 3.43; DP = 0.77), whereas ‘indifference’, with significant differences between the groups, was more salient in participants with a secondary education. This result aligns with the relation between higher levels of educational attainment and higher PSM (Bright 2005; Kitay 2015), which can be attributed to the role of education in modeling opinions, beliefs, and citizenship practices.

Different periods of experience within public administration only conveyed significant differences in ‘Disbelief in Politics’ F (4.251) = 585, p = 0.003, which was also significantly higher in participants working for a longer time at the institution, namely, between 11 and 20 years and beyond (M = 3.60; DP = 0.81). These results should be interpreted in light of the recent sociopolitical events that shaped western societies with the 2008 financial crisis and the aftermath with a great toll on public servants. ‘Self-sacrifice’ (M = 3.79; DP = 0.62) was also higher among these participants, which may reflect a long-term commitment to the organization.

‘Indifference’, despite the lack of general representativeness, was more advocated by workers with between 11 and 20 years of experience at the institution (M = 1.97; DP = 0.72). Interestingly, dedication to the public interest was higher in employees working at the institution for less than one year (M = 4.06; DP = 0.57), and self-sacrifice was higher in those employees at the institutions for between 1 and 5 years (M = 3.7; DP = 0.49), similar to what was found by Madureira and Rodrigues (2015) regarding central government entities, in which professionals with less than 10 years of working experience reported higher motivation levels.

Interestingly, ‘Politics disbelief’ and ‘Indifference’ were higher in workers with temporary contracts, whereas ‘self-sacrifice’ was more salient in workers holding tenured employment contracts. This result is indicative of the strong influence of job stability on PSM (Homberg et al. 2014). The ‘dedication to public interest’ was also more salient in appointed tenured job contracts (M = 4.08; DP = 0.47). The type of job contract may be a proxy of other constructs that are positively and significantly associated to PSM, as in the case of job satisfaction, performance, engagement, and organizational commitment, which are all more likely to occur in secure job positions (e.g., Wright and Pandey 2008; Kim 2005; Steijn 2008; Vandenabeele 2007; Bellé and Cantarelli 2012).

5.2. Do Local Government Workers Perceive Their Work as Meaningful?

The factorial structure found in the present study follows the results of Demirkasimoglu (2015), with the distribution of items in a dimension related to the purpose of work and another to the uselessness of work, that is, lacking purpose and meaning. Overall, there was a higher agreement with the purpose of work with positive valence and, coherently, a higher competence and mastery of the goals and means to achieve them.

Student’s t -test was applied to compare the results between gender, with both agreeing more with their work being purposeful and meaningful and showing no statistically significant differences.

A between-subjects ANOVA was performed to explore differences by age groups, educational backgrounds, experience in the organization, years in the public administration, and the type of employment contract. Although no significant statistical differences were found in any variable, some patterns are worth highlighting: Despite workers of all ages tending to disagree with the absence of purpose and meaning of work, this disagreement was less accentuated between 46 and 55 years (M = 2.32, DP = 0.75). In parallel, the participants working from one to 10 years were those reporting more purpose and meaning. This may be modelled by some of the predetermining features of MOW, namely, skills variety, task identity, task significance, autonomy, and feedback (Arnoux-Nicolas et al. 2017).

5.3. How Do Public Service Motivation and the Meaning of Work Inventory Relate?

In order to understand the association between the four dimensions of public service motivation and the two dimensions of meaning of work, Pearson’s correlations were conducted (Table 5). The perception of work as purposeful and with meaning was positively and significantly correlated with self-sacrifice (r = 0.281, p < 0.001) and the dedication to the public interest (r = 0.347, p < 0.001) and, interestingly, negatively correlated with indifference (r = 175, p < 0.001). In the same line of reasoning, the work without purpose and meaning was positively and significantly correlated with indifference (r = 0.271, p < 0.001) and politics disbelief (r = 0.329, p < 0.001).

These results suggest that the more prototypically altruistic features of PSM, that is, self-sacrifice and dedication to the public interest, are precisely the ones more likely to provide the sense of direction, purpose, and significance that MOW embodies. These dimensions are not only associated with abstract drives but are also strongly related to the specific tasks that the work requires. This association thus indicates that the work itself is regarded as purposeful and significant besides the justification/drive of self-sacrifice and serving the public interest, as confirmed by the high association of items such as “my current job gives meaning to my life” and “my work has a clear and specific direction”.

One may hypothesize that PSM is an antecedent to the perception of the meaningfulness of the work itself, but further studies are required, with both the bifactorial solution found here (meaningfulness and uselessness of work) and other factorial solutions of MOW that discriminate dimensions such as sense of purpose, significance, and meaning. Considering that PSM may guide career choices but be disconnected from a sense of meaning and purpose when working for a public service interest (Thompson and Christensen 2018), we argue that the concomitant assessment of MOW may strengthen the assessment of PSM. The applicability of this element in relation to all public-serving jobs, whether public, private, or nonprofit, is to be further explored. It may also be of great utility in the accompanying processes of change within the public administration, as the current decentralization process continues in the analyzed context.

6. Conclusions

This study aimed at characterizing the public service motivation and the meaning of work in a sample of local government employees according to sociodemographic variables of interest while exploring their interactions.

Local government employees are a central piece of the public administration. It has been suggested that the public workforce features mirror the mission of the public sector, anchored in a pursuit for a common purpose and higher-order needs (Wright 2003. This abstract and values-driven aim is paired with several tasks and bureaucratic responsibilities assessed by criteria of efficiency, productivity, and satisfaction. Our findings reveal that the more altruistic and other-oriented dimensions of PSM, self-sacrifice and dedication to the public interest, are those more associated with perceiving having meaningful and purposeful work. This association reinforces the strength of the overarching motive to choose the path of public service and should be further explored in future research with other groups and cultural contexts.

What is more, the study points out how crucial job security may be and the related period of commitment to an organization in nurturing PSM, especially when it is conceived as an intrinsic drive.

In this regard, several practical implications of PSM for public administration (Ritz et al. 2016) can be outlined. Despite both public and private sector workers valuing extrinsic rewards (e.g., remuneration), the former presents a higher motivation to help society and serve the public interest (Kim 2009). This drive is so well-regarded that one of frequent recommendation from PSM research is to incorporate it in the process of recruitment and assessment at a pre-entry level, both in graduate programs and public administration positions (Clerkin and Coggburn 2012; Andersen and Kjeldsen 2013), so as to ensure an alignment with values coherent with public service (Houston 2000). Both follow the premise that individuals who feel strongly motivated for public service should work at public organizations to optimize their performance and intrinsic rewards (Santinha et al. 2021). Furthermore, from a practical managerial perspective, the association found here between PSM and MOW reinforces the strategic tactics of motivating employees by highlighting the mission and transformational elements of public-service-based positions. It also reinforces the collateral effects that precarious employment may carry to public institutions, as shown by temporary workers ranking higher in indifference in contrast with tenured workers with higher dedication to the public interest. Recent studies indicate that the representations of the public sector as more stable and with higher job security may be changing, also reflecting the impact on job prospects of the recent financial crisis (e.g., Santinha et al. 2021). Security and stability, alongside the contribution to society, have been two major features of the public sector. However, as shown by a study on the factors that affect people’s career choices (Choi 2017), to value job security is no more associated with the public sector than with the other two sectors. Our finding showing a higher dedication to the public interest in tenured workers vis-à-vis the indifference in temporary workers suggests that the preservation and promotion of this fundamental dimension of PSM in public servants may be enabled by policies that give priority to the creation of more stable job positions. This is even more important for the type of job contract, which may be a proxy of other constructs that are positively and significantly associated with PSM, as in the case of job satisfaction, performance, engagement, and organizational commitment, which are all more likely to occur in secure job positions (e.g., Wright and Pandey 2008; Kim 2005; Steijn 2008; Vandenabeele 2007; Bellé and Cantarelli 2012). On the other hand, secure job positions are also prone to assessment quotas limiting higher levels of productivity and evaluation ratings, whose impact on workers’ motivation needs further exploration.

Our analysis, providing data according to type of work contract and age groups, may inform tailored strategies to deal with challenges ahead for more satisfied HR. Corroborating the importance of future studies addressing what features drive public service motivation, particularly in challenging times of crisis, the present study also contributes to the validation of the Portuguese version of MOW (Arnoux-Nicolas et al. 2017) (Appendix B) and reinforces the results of Demirkasimoglu (2015), addressing it as a multidimensional concept with both psychological negative and positive sides.

The main limitation of the study concerns the sample size as well as the sampling method, which is not representative of the civil workforce or the territorial NUTSII region analyzed. This reinforces the exploratory character of the study as a first approach of PSM and MOW at the local level. Within the Portuguese context, future studies should expand this research to other NUTSII regions with different socioterritorial specificities to explore intracultural similarities and differences and reflect rural vs. urban and more or less developed contexts. These data are necessary to provide a standardized measure of the motivation and meaning of public servants at the national level.

We also argue for the timeliness of combining different lenses in order to provide relevant insights about how to foster motivation in public administration, especially with the disruptive changes in the socioeconomic environment and the workplace at large. As put forth by Thompson and Christensen (2018), PSM research within public administration is still lacking articulation with related concepts from other areas. If it is consensual that with intrinsically motivated workers less external rewards are necessary to produce the same effort, motivation, as a multidimensional construct, should thus be a cornerstone in research and public administration practices.

Conceptualization, G.S., T.F.; methodology, G.S., T.F.; software, T.F.; validation, G.S., T.F.; formal analysis, T.F., G.S., M.O.; investigation, T.F., G.S., M.O.; resources, M.O., T.F., G.S.; data curation, T.F., M.O., G.S.; writing—original draft preparation, T.F., G.S.; writing—review and editing, T.F., G.S., M.P.; visualization, G.S., T.F.; supervision, G.S.,T.F.; funding acquisition, M.P. All authors have read and agreed to the published version of the manuscript.

Not applicable.

The data presented in this study are available on request from the corresponding author.

Marta Patrão and Gonçalo Santinha would like to acknowledge the contribution of the research unit on Governance, Competitiveness, and Public Policy (UIDB/04058/2020), funded by national funds through FCT—Portuguese Foundation for Science and Technology.

The authors declare no conflict of interest.

Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Frequency of participants per NUTSII municipality and total of local government workers.

Municipality Total of Local Government Workers
1 91 2323
2 84 593
3 28 381
4 17 421
5 6 262
6 5 442
7 5 186
8 5 216
9 2 339
10 2 215
11 1 229
12 1 350
13 1 1696
14 1 298
15 1 520
16 1 171
17 1 849

Scale of PSM—Saturation of 24 items in four dimensions after varimax rotation and initial statistics (in bold the items corresponding to each factor).

PSM Items F1Self-Sacrifice F2Dedication to Public Interest F3Disbelief in Politics F4Self-Interest
PSM3—Most social programs are too vital to do without. 0.134 0.189 0.243
PSM4—It is difficult for me to contain my feelings when I see people in distress. −0.068 −0.134 0.263
PSM8—To me, patriotism includes seeing to the welfare of others. 0.343 0.133 0.242
PSM9—Much of what I do is for a cause bigger than myself. 0.378 0.104 0.168
PSM12—Serving citizens would give me a good feeling, even if no one paid me for it. 0.208 0.007 0.035
PSM17—I feel people should give back to society more than they get from it. 0.164 −0.061 0.086
PSM19—I am one of those rare people who would risk personal loss to help someone else. 0.081 −0.064 0.062
PSM26—I am prepared to make enormous sacrifices for the good society. 0.169 0.090 0.097
PSM23—I unselfishly contribute to my community. 0.157 −0.060 0.183
PSM30—Meaningful public service is very important to me. 0.041 0.077 0.095
PSM34—I would prefer seeing public officials do what is best for the whole community, even if it harmed my interest. 0.162 −0.097 0.004
PSM39—I consider public service my civic duty. 0.203 0.034 −0.022
PSM13—I am often reminded by daily events about how dependent we are on one another. 0.322 0.029 −0.022
PSM1—Making a difference in society means more to me than personal achievements. 0.357 0.139 0.011
PSM5—I believe in putting duty before self. 0.445 0.111 0.017
PSM11—Politics is a dirty word. (Reversed) 0.007 −0.072 0.001
PSM27—The give and take of public policy making does not appeal to me. (Reversed) 0.057 −0.350 −0.198
PSM31—I do not care much for politicians. (Reversed) 0.054 0.153 −0.017
PSM40—There are few public programs that I wholeheartedly support. (Reversed) −0.086 0.200 0.297
PSM16—It is hard for me to get intensely interested in what is going on in my community. (Reversed) −0.039 0.248 0.333
PSM2—I am rarely moved by the plight of the underprivileged. (Reversed) 0.184 −0.013 −0.052
PSM10—I seldom think about the welfare of people whom I do not know personality. (Reversed) 0.071 0.080 0.031
PSM24—I have little compassion for people in need who are unwilling to take the first step to help themselves. (Reversed) 0.018 −0.115 0.383
PSM6—Doing well financially is definitely more important to me than doing good deeds. (Reversed) 0.172 0.027 −0.107

Scale of meaning of work: purpose of work and uselessness of work (in bold the items corresponding to each factor).

MOW Items F1PW F2UW
1—I find my job rewarding from a personal point of view. −0.337
2—I understand the value of my work. −0.153
4—My work brings a vital dimension to my life. −0.017
5—My current job gives meaning to my life. −0.296
6—My work is not at all absurd. −0.146
8—The goals I have to achieve in my job are challenging and meaningful. −0.383
9—I know what the goals of my work are. −0.354
13—My work has a clear and specific direction. −0.258
16—I understand the function of my work. −0.316
3—My job does not help me have truly clear life prospects. −0.194
7—I do not clearly see the meaning of my current work. −0.217
10—I do not really understand what my work accomplishes. −0.169
11—I often think I do not know where I am going in my job. −0.372
12—To not work would not affect the vision I have of my life as a whole. −0.057
14—I sometimes think my work is not very useful. −0.450
15—No matter what anyone says, I find many jobs to be absurd. −0.20
17—I do not understand what effects my work has on the world or society. −0.310
18—I frequently do not understand the purpose of my work. −0.412
19—My work brings very little to my life. −0.272

Means and standard deviations of PSM by sex.

PSM Sex M DP
Self-sacrifice Female 3.65 0.57
Male 3.80 0.66
Dedication to public interest Female 3.85 0.58
Male 4.14 0.59
Politics disbelief Female 3.37 0.76
Male 3.48 0.81
Self-interest Female 1.85 0.56
Male 1.98 0.73

Correlations between dimensions of public service motivation and meaning of work inventory.

Dimensions (PSM and MOW) Self-Sacrifice Dedication to Public Interest Politics Disbelief Self-Interest Purpose of Work Uselessness of Work
Self-sacrifice r 1 0.562 ** 0.055 −0.322 ** 0.281 ** 0.009
N 252 252 252 252 252 252
Dedication to public interest r 0.562 ** 1 −0.044 −0.208 ** 0.347 ** −0.094
N 252 252 252 252 252 252
Politics disbelief r −0.055 −0.044 1 0.202 ** −0.208 ** 0.329 **
N 252 252 252 252 252 252
Self-interest r −0.322 ** −0.208 ** 0.202 ** 1 −0.175 ** 0.271 **
N 252 252 252 252 252 252
Purpose of Work r 0.281 ** 0.347 ** −0.208 ** −0.175 ** 1 −0.622 **
N 252 252 252 252 252 252
Uselessness of Work r 0.009 −0.094 0.329 ** 0.271 ** −0.622 ** 1
N 252 252 252 252 252 252

Translation of the original English version of the public service motivation scale to Portuguese.

PSM11—O mundo da política “deixa muito a desejar”. (Inverso)
PSM27—Não vejo com bons olhos a troca de favores no sistema público. (Inverso)
PSM 31—Não dou grande valor a políticos. (Inverso)
PSM16—O que acontece na minha comunidade interessa-me pouco. (Inverso)
PSM23—Eu contribuo para a minha comunidade sem esperar nada em retorno.
PSM30—Um serviço público é importante para mim.
PSM34—Eu prefiro que os funcionários façam o que é melhor para toda a comunidade ainda que vá contra os meus interesses.
PSM39—Eu considero o serviço público como o meu dever cívico.
PSM2—Raramente me comovo com as dificuldades daqueles mais necessitados. (Inverso)
PSM3—A maioria dos programas sociais são demasiado importantes para serem esquecidos.
PSM4—É dificil para mim conter os meus sentimentos quando vejo alguém em sofrimento.
PSM8—Para mim o Patriotismo inclui assegurar o bem-estar dos outros.
PSM10—Raramente penso no bem-estar daqueles que não conheço pessoalmente. (Inverso)
PSM13—Sou frequentemente relembrado pelos acontecimentos diários quão dependentes somos uns dos outros.
PSM24—Não tenho muita compaixão por pessoas necessitadas que não estão dispostas a dar o primeiro passo para se ajudarem a si próprios. (Inverso)
PSM40—Há poucos programas públicos que eu apoie incondicionalmente. (Inverso)
PSM1—Dou mais importância a fazer a diferença na sociedade do que às minhas conquistas pessoais.
PSM5—Acredito que o dever está acima das necessidades/vontades individuais.
PSM6—É mais importante para mim ter sucesso financeiro do que praticar boas ações. (Inverso)
PSM9—Muito do que faço é por uma causa maior que a minha.
PSM12—Mesmo que não me pagassem para tal, servir os cidadãos far-me-ia sentir bem.
PSM17—Sinto que as pessoas devem contribuir mais para a sociedade do que receber dela.
PSM19—Sou uma das raras pessoas que arriscaria prejudicar-me para ajudar outra pessoa.
PSM26—Estou pronto(a) para fazer enormes sacrifícios em prol da sociedade.

Validation of the Portuguese version of the meaning of work scale.

IST1—Considero o meu trabalho recompensador do ponto de vista pessoal.
IST2—Eu percebo o valor do meu trabalho.
IST3—O meu trabalho não me ajuda a ter uma visão clara das minhas perspetivas de vida.
IST4—O trabalho tem uma função vital na minha vida.
IST5—O meu trabalho atual dá significado à minha vida.
IST6—O meu trabalho não é, de maneira nenhuma, um absurdo.
IST7—Eu não vejo claramente qual é o sentido do meu trabalho.
IST8—Os objetivos que tenho de alcançar no meu trabalho são desafiantes e têm sentido para mim.
IST9—Eu sei quais são os objetivos do meu trabalho.
IST10—Eu não percebo ao certo quais são as conquistas no trabalho.
IST11—Eu penso frequentemente que não sei qual é o rumo do meu trabalho.
IST12—O facto de não trabalhar não irá afetar a minha visão sobre a vida como um todo.
IST13—O meu trabalho tem um propósito claro e específico.
IST14—Por vezes penso que o meu trabalho não é muito útil.
IST15—Independentemente do que os outros dizem, eu considero que há muitos trabalhos que são absurdos.
IST16—Eu tenho percebido qual é a função do meu trabalho.
IST17—Eu não percebo qual é o efeito que o meu trabalho tem no mundo ou na sociedade.
IST18—Frequentemente não compreendo o propósito do meu trabalho.
IST19—O meu trabalho tem pouco peso na minha vida.

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Public service motivation (PSM) has provided a new breadth to the study of what attracts and retains workers in public organizations committed to the public mission. The present research contributes to the topic by exploring local government workers’ motivation for public service, the meaning they attribute to their activity as public servants, and the relations between PSM and the meaning of work (MOW). An adaptation of the PSM scale to the Portuguese language and context and the local level of public administration is proposed based on a sample of seventeen surveyed municipalities involving 252 participants. Within the analyzed context, dedication to the public interest is the most important factor of public service motivation and, alongside self-sacrifice, more common in older public servants and those with higher educational degrees. Workers with temporary job contracts rank higher in indifference and disbelief in politics as opposed to those workers with tenure who show a higher dedication to the public interest. The majority of the participants consider their work to be purposeful and meaningful, a state that is significantly positively correlated with the more altruistic dimensions of PSM, self-sacrifice and dedication to the public interest, suggesting a profitable venue of organizational research and work policy benchmarking.

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A machine learning framework for condition-based maintenance of marine diesel engines: a case study.

a case study meaning

1. Introduction

1.1. background, 1.2. the shift to proactiveness in maintenance, 1.3. leveraging data to predict maintenance, 2. predictive maintenance, 2.1. predictive maintenance by data-driven models, 2.2. a bird’s-eye view of prediction models, 3. proposed framework, 3.1. artificial neural network and ensemble neural network, 3.2. random forest, 4. case study, 5. simulation results.

  • A well-trained ANN is a good predictor thanks to its simplicity; in fact, it is the best algorithm for the response time but it shows a higher error than an ENN;
  • An RF has the highest error and highest computation time;
  • A not well-trained ENN gives better results than a not well-trained ANN;
  • An ENN shows a smaller error for a higher number of observations than ANN, even with a lower number of training epochs (i.e., comparing an ENN trained on 25 epochs and an ANN trained on 50 epochs, the first has a smaller error for 65% of the observations).

6. Conclusions

Author contributions, data availability statement, acknowledgments, conflicts of interest.

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Click here to enlarge figure

Inputs / and pump rotational speed
OutputsOil filter pressure drop
No. of hidden layers2
No. of neurons24 (1st hidden layer) and 12 (2nd hidden layer)
Training algorithmLevenberg–Marquardt
Inputs and pump rotational speed
Output
Number of trees91
MinLeafSize1
MaxNumSplit92
PerformanceANNRF
( ) and ( )
Computation time12 s105 s
Inputs and pump rotational speed
OutputsOil filter pressure drop
No. of Neural Networks3
Output LogicArithmetic mean and weighted mean
Weight Values1.0, 0.7, 0.7
PerformanceArith. Mean ENNWeight. Mean ENN
Computation time46 s24 s
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Share and Cite

Maione, F.; Lino, P.; Maione, G.; Giannino, G. A Machine Learning Framework for Condition-Based Maintenance of Marine Diesel Engines: A Case Study. Algorithms 2024 , 17 , 411. https://doi.org/10.3390/a17090411

Maione F, Lino P, Maione G, Giannino G. A Machine Learning Framework for Condition-Based Maintenance of Marine Diesel Engines: A Case Study. Algorithms . 2024; 17(9):411. https://doi.org/10.3390/a17090411

Maione, Francesco, Paolo Lino, Guido Maione, and Giuseppe Giannino. 2024. "A Machine Learning Framework for Condition-Based Maintenance of Marine Diesel Engines: A Case Study" Algorithms 17, no. 9: 411. https://doi.org/10.3390/a17090411

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  1. What Is a Case Study?

    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.

  2. Case Study

    Defnition: 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.

  3. Case Study: Definition, Examples, Types, and How to Write

    A case study is an in-depth study of one person, group, or event. In a case study, nearly every aspect of the subject's life and history is analyzed to seek patterns and causes of behavior. Case studies can be used in many different fields, including psychology, medicine, education, anthropology, political science, and social work.

  4. Case study

    A case study is an in-depth, detailed examination of a particular case (or cases) within a real-world context. [1] [2] For example, case studies in medicine may focus on an individual patient or ailment; case studies in business might cover a particular firm's strategy or a broader market; similarly, case studies in politics can range from a narrow happening over time like the operations of a ...

  5. What is a Case Study?

    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 ...

  6. Case Study: Definition, Types, Examples and Benefits

    Case Study: Definition, Types, Examples and Benefits. Researchers, economists, and others frequently use case studies to answer questions across a wide spectrum of disciplines, from analyzing decades of climate data for conservation efforts to developing new theoretical frameworks in psychology. Learn about the different types of case studies ...

  7. Case study

    A case study is a detailed description and assessment of a specific situation in the real world, often for the purpose of deriving generalizations and other insights about the subject of the case study. Case studies can be about an individual, a group of people, an organization, or an event, and they are used in multiple fields, including business, health care, anthropology, political science ...

  8. What is a Case Study? Definition, Research Methods, Sampling and

    A case study is defined as an in-depth analysis of a particular subject, often a real-world situation, individual, group, or organization. It is a research method that involves the comprehensive examination of a specific instance to gain a better understanding of its complexities, dynamics, and context.

  9. Case Study

    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: Mixed methods case study. For a case study of a wind farm development in a ...

  10. Case study Definition & Meaning

    The meaning of CASE STUDY is an intensive analysis of an individual unit (such as a person or community) stressing developmental factors in relation to environment. How to use case study in a sentence.

  11. What is a Case Study? Definition & Examples

    Case Study Definition. A case study is an in-depth investigation of a single person, group, event, or community. This research method involves intensively analyzing a subject to understand its complexity and context. The richness of a case study comes from its ability to capture detailed, qualitative data that can offer insights into a process ...

  12. Case Studies

    Case studies provide a unique blend of narrative storytelling and empirical investigation, making abstract concepts and strategies relatable and understandable. Whether explanatory, exploratory, or collective, each type of case study offers a different lens through which to view and solve business problems.

  13. What Is a Case Study? Definition, Elements and 15 Examples

    A case study is an in-depth analysis of specific, real-world situations or the scenarios inspired by them. Both teachers and professionals use them as training tools. They're used to present a problem, allowing individuals to interpret it and provide a solution. In the business world, organizations of many sizes use case studies to train ...

  14. 6 Types of Case Studies to Inspire Your Research and Analysis

    A case study is a research process aimed at learning about a subject, an event or an organization. Case studies are use in business, the social sciences and healthcare. A case study may focus on one observation or many. It can also examine a series of events or a single case. An effective case study tells a story and provides a conclusion.

  15. CASE STUDY

    CASE STUDY meaning: 1. a detailed account giving information about the development of a person, group, or thing…. Learn more.

  16. How to write a case study

    Case study examples. While templates are helpful, seeing a case study in action can also be a great way to learn. Here are some examples of how Adobe customers have experienced success. Juniper Networks. One example is the Adobe and Juniper Networks case study, which puts the reader in the customer's shoes.

  17. CASE STUDY

    CASE STUDY definition: 1. a detailed account giving information about the development of a person, group, or thing…. Learn more.

  18. Case Study: Definition, Types, Examples & More

    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.

  19. Case Study Research Method in Psychology

    Case studies are in-depth investigations of a person, group, event, or community. Typically, data is gathered from various sources using several methods (e.g., observations & interviews). The case study research method originated in clinical medicine (the case history, i.e., the patient's personal history). In psychology, case studies are ...

  20. What is a case study?

    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 ...

  21. What Is a Case, and What Is a Case Study?

    Case study is a common methodology in the social sciences (management, psychology, science of education, political science, sociology). A lot of methodological papers have been dedicated to case study but, paradoxically, the question "what is a case?" has been less studied. Hence the fact that researchers conducting a case study are ...

  22. CASE STUDY Definition & Meaning

    Case study definition: a study of an individual unit, as a person, family, or social group, usually emphasizing developmental issues and relationships with the environment, especially in order to compare a larger group to the individual unit.. See examples of CASE STUDY used in a sentence.

  23. What Is a Case Study? Definition, Examples, Types & Methods

    A case study is a particular research h method involving an up-close and in-depth investigation of any subject, and it is related to a contextual position. These are produced by following a research form. The case study helps in bringing the understanding of any complex issue. This can extend experience or add strength to the already existing ...

  24. Case Study Method Advantages and Disadvantages: Essential Insights for

    Explore the advantages and disadvantages of the case study method in business, psychology, and education. Learn how detailed insights and market analysis can benefit entrepreneurs, and discover strategies to overcome limitations like generalizability and time consumption. Make informed decisions on using case studies effectively with tips on managing time and diversifying sources.

  25. The High Note of Meaning: A Case Study of Public

    This study aimed at characterizing the public service motivation and the meaning of work in a sample of local government employees according to sociodemographic variables of interest while exploring their interactions. Local government employees are a central piece of the public administration.

  26. Algorithms

    In this case, the aim is to predict failures by using sensors that are installed onboard. Some authors prefer using the prognostic and health management (PHM) definition . The medical term "prognostic" highlights that it is not only necessary to provide information on the health status of machines but also to predict incoming failures.