Constraint-Based Modeling: Representing Student Knowledge
نویسنده
چکیده
A Student Model is used in Intelligent Tutoring Systems to guide the pedagogical process. Student modeling is a difficult problem because of the limited bandwidth that a computer/student interaction normally allows. SQL-Tutor is an example of an ITS incorporating constraint-based modeling, a knowledge-poor approach that restricts the knowledge representation to the number of domain constraints that have been encountered and violated in the course of assessing a student’s answers. We discuss the student model incorporated in SQL-Tutor, and suggest how it might be extended to include high level knowledge. We evaluate the proposed refinements and discuss strengths and weaknesses of the revised model. Finally, we explore areas for further research.
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تاریخ انتشار 1999