Using Student Explanations as Models for Adapting Tutorial Dialogue

Pamela W. Jordan

We describe a dialogue management approach that adapts dialogue strategies to a changing user model under the constraint that the approach be able to scale up rapidly for intelligent tutoring systems applications. Dialogue strategiesare expressed as constraints on how to move through a student model that is composed of linked nodes. By orientingthe dialogue to a linked model of the student’s likely beliefsand expressing the dialogue strategies as constraints on movement within the model, the approach facilitates adaptation ofthe dialogue strategy as the student model changes.

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