Research suggests that multimedia and individualization of instruction are both effective ways to teach new material. This paper describes the integration of information about individual student cognitive characteristics into an intelligent tutor for high school geometry. The tutor presents a breadth of geometry problems with multimedia animations, embeds problems in narrative and fantasy and selects alternative teaching strategies based on a student’s cognitive abilities. We present an evaluation of the tutor that leads to conclusions of effectiveness and provide a guide for future adaptive versions of the tutor.

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