Fifteen years of constraint-based tutors: what we have achieved and where we are going

Abstract

Fifteen years ago, research started on SQL-Tutor, the first constraint-based tutor. The initial efforts were focused on evaluating Constraint-Based Modeling (CBM), its effectiveness and applicability to various instructional domains. Since then, we extended CBM in a number of ways, and developed many constraint-based tutors. Our tutors teach both well- and… (More)
DOI: 10.1007/s11257-011-9105-9

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