A comparison of sequential sampling models for two-choice reaction time.

@article{citeulike:618178, abstract = {The authors evaluated 4 sequential sampling models for 2-choice decisions--the Wiener diffusion, Ornstein-Uhlenbeck (OU) diffusion, accumulator, and Poisson counter models--by fitting them to the response time (RT) distributions and accuracy data from 3 experiments. Each of the models was augmented with assumptions of variability across trials in the rate of accumulation of evidence from stimuli, the values of response criteria, and the value of base RT across trials. Although there was substantial model mimicry, empirical conditions were identified under which the models make discriminably different predictions. The best accounts of the data were provided by the Wiener diffusion model, the OU model with small-to-moderate decay, and the accumulator model with long-tailed (exponential) distributions of criteria, although the last was unable to produce error RTs shorter than correct RTs. The relationship between these models and 3 recent, neurally inspired models was also examined.}, address = {Department of Psychology, The Ohio State University, Columbus, OH 43210, USA.}, author = {Ratcliff, R. and Smith, P. L. }, citeulike-article-id = {618178}, doi = {10.1037/0033-295X.111.2.333}, issn = {0033-295X}, journal = {Psychol Rev}, keywords = {accumulatormodel, psychophysics, reaction\_time, review}, month = {April}, number = {2}, pages = {333--367}, posted-at = {2006-05-08 19:35:51}, priority = {2}, title = {A comparison of sequential sampling models for two-choice reaction time.}, url = {http://dx.doi.org/10.1037/0033-295X.111.2.333}, volume = {111}, year = {2004} }

TY - JOUR ID - citeulike:618178 L3 - citeulike-article-id:618178 TI - A comparison of sequential sampling models for two-choice reaction time. JF - Psychol Rev VL - 111 IS - 2 SP - 333 EP - 367 AD - Department of Psychology, The Ohio State University, Columbus, OH 43210, USA. SN - 0033-295X N2 - The authors evaluated 4 sequential sampling models for 2-choice decisions--the Wiener diffusion, Ornstein-Uhlenbeck (OU) diffusion, accumulator, and Poisson counter models--by fitting them to the response time (RT) distributions and accuracy data from 3 experiments. Each of the models was augmented with assumptions of variability across trials in the rate of accumulation of evidence from stimuli, the values of response criteria, and the value of base RT across trials. Although there was substantial model mimicry, empirical conditions were identified under which the models make discriminably different predictions. The best accounts of the data were provided by the Wiener diffusion model, the OU model with small-to-moderate decay, and the accumulator model with long-tailed (exponential) distributions of criteria, although the last was unable to produce error RTs shorter than correct RTs. The relationship between these models and 3 recent, neurally inspired models was also examined. KW - accumulatormodel KW - psychophysics KW - reaction_time KW - review AU - Ratcliff, R AU - Smith, PL PY - 2004/04// UR - http://dx.doi.org/10.1037/0033-295X.111.2.333 ER -