Diffusion Models in Experimental Psychology

Andreas Voß, Markus Nagler, Veronika Lerche

2013 · Experimental Psychology (formerly Zeitschrift für Experimentelle Psychologie) · 406 citations

Stochastic diffusion models (Ratcliff, 1978) can be used to analyze response time data from binary decision tasks. They provide detailed information about cognitive processes underlying the performance in such tasks. Most importantly, different parameters are estimated from the response time distributions of correct responses and errors that map (1) the speed of information uptake, (2) the amount of information used to make a decision, (3) possible decision biases, and (4) the duration of nondecisional processes. Although this kind of model can be applied to many experimental paradigms and pr…

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