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Clinical cases for problem-based learning should capture the relevance of patient encounters, and not serve merely as a 'take-off' point for scientific study. As a vehicle of learning, the case should drive the science and the science should drive the case. Decision points elicit intellectual commitment, and help to raise the level of inquiry. Our cases are focused, avoiding clinical complexity and reliance on pattern recognition. We emphasize formulation of evidence-based mechanistic hypotheses. The case does not stand alone, but must suit its position in the course and curriculum.
Glick et al. (Mon,) studied this question.