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A Corbett - International Conference on User Modeling, 2001 - Springer

Cognitive computer tutors: Solving the two-sigma problem.

instructional interventions

Corbett

GSID: dnlP21s9rR4J

Excerpt

… instructional interventions (a) model tracing, (b) cognitive mastery and (c) scaffolded cognitive mastery designed to support understanding and planning. It calculates the effect size of each intervention and examines the aggregate effect of these student-adapted interventions. …

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