Management Craft

Kenneth R. Koedinger

Researcher

Learning-sciences researcher at Carnegie Mellon University; co-author of the 2001 expert-blind-spot paper and a longtime builder of intelligent tutoring systems.

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Expert Blind Spot: When Content Knowledge Eclipses Pedagogical Content KnowledgePaper · 2001Nathan, Koedinger, and Alibali's 2001 paper that named the expert blind spot: the tendency of people who know a subject well to assume beginners find easy what the expert finds fundamental. Its sharpest evidence is a gradient — the most mathematically trained teachers' predictions of student difficulty bore no relation to how students actually performed, while less-trained teachers predicted it accurately.