VanLehn, K. (1989). Discovering problem solving strategies: What humans do and machines don't (yet). In A. Segre (Ed.) Proceedings of the Sixth International Workshop on Machine Learning. 215-217, Los Altos, CA:Morgan-Kaufman.

A unusually detailed analysis and simulation of a human problem solving protocol uncovered 10 cases of strategies being discovered. Although most of these learning events were adequately modeled by existing machine learning techniques, several present interesting challenges for machine learning research. This paper briefly presents the experiment and the 10 learning events. The protocol analysis is detailed in VanLehn (1989). The simulation system, TETON, is described in VanLehn and Ball (in press).

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