Interface Design Issues for Teachable Agent Systems
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Viswanath, K., Balachandran, R., Kramer, M. & Bodenheimer, B. (2004). Interface Design Issues for Teachable Agent Systems. In L. Cantoni & C. McLoughlin (Eds.), Proceedings of World Conference on Educational Multimedia, Hypermedia and Telecommunications 2004 (pp. 4197-4204). Chesapeake, VA: AACE.
Retrieved from http://www.editlib.org/p/11679.
World Conference on Educational Multimedia, Hypermedia and Telecommunications (EDMEDIA) 2004
Lorenzo Cantoni & Catherine McLoughlin
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Table of Contents
This paper discusses improvements to the user interface of a system designed to promote learning through teaching. This system, called Betty's Brain, is an intelligent agent developed at Vanderbilt University for studying the learning by teaching paradigm. In the Betty's Brain system, students teach a computer agent by creating a concept map using a visual interface. Students themselves learn through the process of instructing the agent. Students aged 9-11 (U.S. fifth-grade) in Nashville public schools participated in studies using this system. In this work, we improve and evaluate the interface components of Betty's Brain that enable the user to organize and input problem solving knowledge about a domain for the purpose of instructing the intelligent agent. We then conducted a comparative user study to evaluate our changes to the interface. Both qualitative and quantitative improvements in the user's performance are reported. These results should provide useful guidance for designers of learning by teaching systems.
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