Authoring plug-in tutor agents by demonstration: Rapid, rapid tutor development

Authors:
Vincent Aleven;Carolyn Rosé
Affiliations:
Human-Computer Interaction Institute, Carnegie Mellon University, Pittsburgh, PA;Human-Computer Interaction Institute, Carnegie Mellon University, Pittsburgh, PA
Venue:
Proceedings of the 2005 conference on Artificial Intelligence in Education: Supporting Learning through Intelligent and Socially Informed Technology
Year:
2005

Citing 3
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Abstract

We combined two existing methods for rapid tutor development: “plug-in tutor agents” [6] and an authoring tool suite (CTAT) that supports the creation of tutors “by demonstration” [2]. The combined approach, which has not been tried before, is suited for adding tutoring capabilities to an existing problem-solving environment, for example an off-the-shelf simulator. Connecting the components (i.e., the simulator and CTAT) requires programming but once that is done, “Pseudo Tutors” are created “by demonstration. Following this approach, we created plug-in Pseudo Tutor agents for a thermodynamics simulator, CyclePad [1], which were tried out in a classroom experiment involving 92 college students. The experiment demonstrates that the Pseudo Tutor technology is viable in a complex domain and that Ritter and Koedinger's protocol for the tool-tutor communication is suited for use in an authoring environment.