Responding to free-form student questions in ERM-Tutor

Authors:
Nancy Milik;Melinda Marshall;Antonija Mitrovic
Affiliations:
Intelligent Computer Tutoring Group, Department of Computer Science and Software Engineering, University of Canterbury, Christchurch, New Zealand;Intelligent Computer Tutoring Group, Department of Computer Science and Software Engineering, University of Canterbury, Christchurch, New Zealand;Intelligent Computer Tutoring Group, Department of Computer Science and Software Engineering, University of Canterbury, Christchurch, New Zealand
Venue:
ITS'06 Proceedings of the 8th international conference on Intelligent Tutoring Systems
Year:
2006

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Abstract

We present ERM-Tutor, a constraint-based tutor that teaches logical database design (i.e. mapping conceptual to logical database schemas). Students practice this procedural task in ERM-Tutor by solving each step and receiving feedback on their solutions. We also present a new feature added to the system, which enables students to ask free-form questions. A preliminary evaluation carried out on ERM-Tutor investigated how students use free-form questions, and provided promising results. We plan to perform a bigger study in early 2006.