Defining what the "case" is (e.g., an individual, program, or organization) and establishing its boundaries.
Yin emphasizes that data analysis is often the most difficult stage and requires a clear strategy, such as pattern matching or explanation building. For the final report, he suggests several structures, including linear-analytic, comparative, chronological, and theory-building formats. 3rd Edition (2003) 5th Edition (2014) 6th Edition (2017) Primary Focus Establishing the method's rigor. Advanced concepts for rigor. Integrating applications and research. New Features Logic models for analysis. 9 new cases, 7 tutorials. 11 in-depth applications. Major Update Expanded multi-method studies. Focus on logic models/ethics. Emphasis on rival explanations. Case study research : design and methods
The book outlines a linear but iterative process for conducting research: Defining what the "case" is (e
Researchers are encouraged to use triangulation by drawing from six sources of evidence: documentation, archival records, interviews, direct observations, participant-observation, and physical artifacts. 3rd Edition (2003) 5th Edition (2014) 6th Edition