Exploring Case Study as a Qualitative Research Method in Communication

In the world of communication research, some questions simply cannot be answered by numbers alone. Why did a particular media campaign go viral? How does a newsroom’s internal culture shape its editorial decisions? What drives a community to reject a public health message? These questions demand depth, context, and nuance – and that is precisely what the case study, as a qualitative research method, is designed to deliver. Long used in fields like law, medicine, and psychology, the case study has firmly established itself as one of the most powerful and flexible tools in the communication researcher’s arsenal.

What is a case study in communication research?
Case study as a qualitative method: how it differs from quantitative research
Types of case studies used in communication research
Case studies across three research paradigms
The positivist paradigm
The interpretive paradigm
The critical paradigm
Data collection in qualitative case studies
Strengths and limitations of the case study method
Why the case study matters for communication researchers

What is a case study in communication research?

At its core, a case study, as defined by John Creswell, is a qualitative research method that provides an in-depth examination of a single entity – such as an organization, program, event, or individual – within its real-world context. Unlike surveys or experiments that try to generate findings across large populations, a case study deliberately zooms in. It investigates a single unit with great intensity, aiming to understand how and why things unfold the way they do.

This method is particularly well-suited to communication research because communication never occurs in a vacuum. A press release means one thing during a corporate scandal and something entirely different during a product launch. A social media post carries completely different weight depending on who sends it and when. The case study keeps that context intact – it does not strip it away to make the data “cleaner.” As Merriam (1998) described it, a qualitative case study is a particularistic, descriptive, and heuristic study of a bounded system, where the descriptive nature entails examining the interaction of multiple variables through documents, quotes, samples, and artifacts.

The term bounded system is key. Before any case study begins, the researcher must define the limits of what is being studied. Are you examining the entire editorial operation of a media house, or just its digital desk? Are you studying the crisis communication of a brand over six months or two years? Drawing those boundaries upfront is what separates a rigorous case study from an unfocused anecdotal account.

Case study as a qualitative method: how it differs from quantitative research

To understand the full value of case studies, it helps to briefly situate them within the broader landscape of research approaches. Quantitative research tries to reach generalizable conclusions about the group(s) being studied, relying on structured data-gathering tools, statistics, and numerical measurement. A survey might reveal that 65% of young adults distrust mainstream news. That is a valuable finding – but it tells you nothing about why that distrust exists, what form it takes, or how it plays out in daily media consumption habits.

The case study fills that gap. As Patton (2002) argued, qualitative methods provide detailed information about a much smaller number of people and cases, prioritizing depth over breadth. While quantitative methods are better suited to questions of “how many” or “how often,” qualitative case studies address the “why” and “how.” They stress the socially constructed nature of reality and are oriented toward cases or phenomena rather than variables.

It is also worth noting that the case study is not merely a preliminary or “exploratory” step before “real” research begins. As Eisenhardt (1989) noted, the case study is a research technique that focuses on understanding the dynamics occurring within individual settings, with the goal of developing theory, testing theory, or providing a rich description. It is a fully legitimate and independently rigorous research design.

Types of case studies used in communication research

Not all case studies are structured the same way. Researchers select the type of case study based on their specific research objectives. Creswell classifies case studies into three main types:

Single-case instrumental: Here, a single case is used to understand a broader issue or test an existing theory. For example, a researcher might study one specific news outlet’s coverage of the 2024 elections to examine whether agenda-setting theory holds up in a digital media environment.

Multiple-case: This involves examining several cases side by side to identify patterns, differences, or comparisons. A researcher studying how five different PR agencies handled a crisis would be using a multiple-case design. The goal is to see whether findings replicate or contrast across contexts, which strengthens the overall conclusions.

Intrinsic case study: Here, the case itself is the primary focus – not because it represents something broader, but because it is inherently unique or significant. Studying the internal communication collapse of a specific media organization during a major editorial scandal would be an intrinsic case study. The case matters because of what it is, not what it represents.

Similarly, Stake (1994, 2010) distinguishes between intrinsic, instrumental, and collective case studies, with differences rooted in the size of the bounded case – whether it involves one individual, several individuals, or a group.

Case studies across three research paradigms

One of the most remarkable features of the case study method is its flexibility across different research philosophies. There are three basic paradigms that guide how researchers perceive the world and conduct their work: positivist, interpretive, and critical. The case study is one of the very few methods that operates productively within all three.

The positivist paradigm

First proposed by Auguste Comte, the positivist paradigm defines a worldview grounded in the scientific method of investigation, where experimentation, observation, and reason based on experience are the legitimate means of extending knowledge. In positivist case study research, the researcher seeks objective facts and causal relationships. The aim is to verify whether a specific theory holds true in a real-world instance.

In communication, a positivist case study might test whether the Agenda-Setting Theory accurately predicted media behavior during a specific election. The researcher would systematically analyze news content and public opinion data from that specific case to see if the theory’s predictions matched the observable outcome. Some scholars argue that case study research embraces the scientific paradigm of positivism, particularly when it focuses on “observable” phenomena that can be documented and verified.

The interpretive paradigm

The interpretive paradigm holds that reality is subjective, constructed through human interactions and meanings. Interpretivists are not interested in universal laws – they want to understand how specific individuals or groups make sense of their experiences. This is often the most natural fit for communication case studies, because communication is fundamentally about meaning-making.

An interpretive case study in communication might examine how journalists in a particular newsroom negotiate their professional identity under commercial pressure. The researcher would spend time in the field, conduct in-depth interviews, observe editorial meetings, and analyze internal documents – all to build a rich, contextualized account of how meaning is constructed in that specific environment. Under the interpretivist paradigm, qualitative methods like narrative approaches align with the social constructionist school of thought, allowing the researcher to examine how the historical, social, and cultural context of a story shapes the realities being studied.

The critical paradigm

Critical theory originated in the Frankfurt School and considers the wider oppressive nature of politics or societal influences, often including feminist and post-colonial research traditions. A critical case study in communication does not merely describe or interpret – it interrogates. It asks who benefits from a given communication arrangement and whose voices are silenced.

Consider a case study examining the coverage of a protest movement by a privately owned news network. A critical researcher would dig into the ownership structure of that network, its advertiser relationships, and its editorial history to expose how corporate interests may have shaped the framing of the movement. The critical paradigm is suited to studies about social justice and giving voice to those less powerful, making it especially relevant in an era where media concentration and algorithmic gatekeeping are pressing concerns.

Data collection in qualitative case studies

A defining strength of the case study method is its ability to draw on multiple sources of data simultaneously. Rather than relying on a single instrument like a survey questionnaire, the case study researcher can combine interviews, direct observation, document analysis, archival records, photographs, and even physical artifacts to build a comprehensive picture of the case.

As Robert Yin advocated, the use of multiple sources of evidence allows a case to be investigated more comprehensively and accurately. This practice is known as triangulation – a strategy through which two or more data-gathering methods are combined to produce a more authentic and credible picture of the phenomenon under study.

According to the SAGE Encyclopedia of Case Study Research, triangulation is a useful concept not only for data collection but also for data analysis, and it takes several forms in practice:

Data triangulation involves collecting data from multiple sources – for instance, interviewing both journalists and editors, while also analyzing published articles and internal editorial memos. Methodological triangulation combines different methods, such as pairing ethnographic observation with content analysis. Investigator triangulation brings more than one researcher into the process to reduce individual bias. Theory triangulation applies multiple theoretical lenses to the same data set to interpret it from different angles.

Interviews, observations, and document analysis are among the most common qualitative data-gathering strategies in case study research. The interview, in particular, is valuable because it offers the researcher an opportunity to access verbal and non-verbal data about a phenomenon, giving informants a platform to express their thoughts, feelings, and experiences in their own words.

The ultimate aim of all this data collection is what researchers call thick description – a rich, layered account of the case that captures not just what happened, but the context, meanings, and interpretations surrounding it. This depth of understanding is what distinguishes a well-executed case study from a simple report or journalistic narrative.

Strengths and limitations of the case study method

The case study’s primary strength lies in its capacity to handle complexity. Case studies in communication research enable researchers to examine complex phenomena that may be difficult to study through other approaches, capturing nuanced details, contextual factors, and the multiple perspectives of those involved. They are particularly valuable when a researcher is exploring new terrain, investigating a unique or critical event, or seeking to develop and refine communication theory through real-world evidence.

Case studies are also flexible enough to serve multiple purposes. They can be exploratory (investigating a poorly understood phenomenon), descriptive (providing a comprehensive account of a specific case), or explanatory (establishing cause-and-effect relationships within a specific context).

At the same time, the method has real limitations that researchers must acknowledge. The generalizability of case study findings can be limited due to the focus on a single or few cases, and there is always a risk of researcher bias in data interpretation. Because the researcher is often deeply embedded in the case, maintaining analytical objectivity requires consistent reflexivity and transparency. Additionally, case studies tend to be time-intensive, demanding sustained engagement with the research site and data.

Despite these limitations, the case study’s value in communication research is widely recognized. Case-based methods can provide a more holistic approach, exploring the everyday experience of individuals and groups in a way that statistical models simply cannot replicate. When the goal is not just to measure communication but to truly understand it, the case study remains the method of choice.

Why the case study matters for communication researchers

The case study occupies a unique and indispensable role in the communication researcher’s toolkit – not because it answers every question, but because it answers the questions that matter most deeply. It is the method that keeps context alive, that honors complexity, and that treats human communication as the rich, socially embedded practice it actually is.

Whether a researcher is working within a positivist framework to test a theory of media effects, an interpretive framework to understand how meaning is negotiated in a digital newsroom, or a critical framework to expose how systemic inequalities shape media representation, the case study provides both the flexibility and the rigor to do so. Its adaptability across paradigms is not a weakness – it is a testament to the breadth of communication as a field of inquiry.

As communication scholarship continues to grapple with the challenges posed by platform media, algorithmic curation, and the collapse of traditional gatekeeping, the case study method will only grow more relevant. The emerging phenomena reshaping the media landscape are too new, too complex, and too context-dependent to be fully understood through numbers alone.

What do you think? If you were to design a case study on how misinformation spreads in a specific online community, which research paradigm – positivist, interpretive, or critical – would you find most useful, and why? And do you think a single case study or a multiple-case design would give you a richer understanding of the problem?

References

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Table of Contents

What is a case study in communication research? 🔗

Case study as a qualitative method: how it differs from quantitative research 🔗

Types of case studies used in communication research 🔗

Case studies across three research paradigms 🔗

The positivist paradigm 🔗

The interpretive paradigm 🔗

The critical paradigm 🔗

Data collection in qualitative case studies 🔗

Strengths and limitations of the case study method 🔗

Why the case study matters for communication researchers 🔗