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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