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Pleskac, Timothy J.; Busemeyer, Jerome R. – Psychological Review, 2010
The 3 most often-used performance measures in the cognitive and decision sciences are choice, response or decision time, and confidence. We develop a random walk/diffusion theory--2-stage dynamic signal detection (2DSD) theory--that accounts for all 3 measures using a common underlying process. The model uses a drift diffusion process to account…
Descriptors: Problem Solving, Evaluation Methods, Models, Cognitive Processes
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Anzai, Yuichiro; Simon, Herbert A. – Psychological Review, 1979
A theory is proposed of the processes which enable a subject to learn while solving a problem. One subject's protocol--including 224 steps and taking 90 minutes--is described. Adequacy of the mechanisms is guaranteed by a computer simulation of the processes in an adaptive production system. (Author/GDC)
Descriptors: Cognitive Processes, Higher Education, Learning Activities, Learning Processes