Management Craft

Mitchell J. Nathan

Researcher

Learning-sciences researcher; at the University of Colorado when he co-wrote the 2001 paper naming the expert blind spot — advanced content knowledge that leads experts to assume things about learners in conflict with how learners actually perform.

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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.