Research & analysisCase study designtext
Select case studies without cherry-picking
Makes inclusion rules visible before choosing examples.

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Prompt
Inputs: [RESEARCH QUESTION], [CANDIDATE CASES], [SELECTION CONSTRAINTS]. Define inclusion, variation and practical limits. Include a disconfirming case or explain why none is available. Output: A selection matrix and limitations paragraph. Check: Cases are not selected solely to illustrate the preferred conclusion. If essential information is missing, identify it rather than filling the gap with a guess. State how unavailable cases could change the conclusion and what records might locate them.