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Case study is a popular research design within the social sciences despite concerns of its credibility. Case studies provide an in-depth exploration of the unit of analysis (case). Hence, data triangulation is a key characteristic of the design whose purpose is to provide a thick, rich, and contextual description. Data for varied sources enhances credibility of the study. However, studies involving only one source of evidence exist in peer reviewed publications. This paper reviews the nature of case studies and discusses the importance of data triangulation. Further, three published case studies involving a single source of data are reviewed and suggestions of more appropriate designs are provided.
Case Study, Sources of Evidence, Interviews
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Recommended APA Citation
Smith, P. R. (2018). Collecting Sufficient Evidence When Conducting a Case Study. The Qualitative Report, 23(5), 1054-1048. https://doi.org/10.46743/2160-3715/2018.3188