Who Says Three's a Crowd? Using a Cognitive Tutor to Support Peer Tutoring

Authors:
Erin Walker;Bruce M. McLaren;Nikol Rummel;Ken Koedinger
Affiliations:
Human-Computer Interaction Institute, Carnegie Mellon University, Pittsburgh, USA;Human-Computer Interaction Institute, Carnegie Mellon University, Pittsburgh, USA;Institute of Psychology, University of Freiburg, Freiburg, Germany, {erinwalk, koedinger, bmclaren}@cs.cmu.edu/ rummel@psychologie.uni-freiburg.de;Human-Computer Interaction Institute, Carnegie Mellon University, Pittsburgh, USA
Venue:
Proceedings of the 2007 conference on Artificial Intelligence in Education: Building Technology Rich Learning Contexts That Work
Year:
2007

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Abstract

Adding student collaboration to an intelligent tutoring system could leverage the benefits of both approaches. We have incorporated a mutual peer tutoring script, where students of similar abilities take turns tutoring each other, into the Cognitive Tutor Algebra. In this paper, we identify three design principles for peer tutoring, and discuss how they were realized in our peer tutoring script. We then develop a cognitive model for peer tutoring, and drawing from student data, identify places for an intelligent tutor to provide feedback. Finally, we describe the implementation of the script and our plans for formal evaluation.