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A ballistic model of choice response time

journal contribution
posted on 2023-05-18, 09:11 authored by Brown, S, Heathcote, A
Almost all models of response time (RT) use a stochastic accumulation process. To account for the benchmark RT phenomena, researchers have found it necessary to include between-trial variability in the starting point and/or the rate of accumulation, both in linear (R. Ratcliff & J. N. Rouder, 1998) and nonlinear (M. Usher & J. L. McClelland, 2001) models. The authors show that a ballistic (deterministic within-trial) model using a simplified version of M. Usher and J. L. McClelland's (2001) nonlinear accumulation process with between-trial variability in accumulation rate and starting point is capable of accounting for the benchmark behavioral phenomena. The authors successfully fit their model to R. Ratcliff and J. N. Rouder's (1998) data, which exhibit many of the benchmark phenomena.

History

Publication title

Psychological Review

Volume

112

Pagination

117-128

ISSN

0033-295X

Department/School

Tasmanian School of Medicine

Publisher

Amer Psychological Assoc

Place of publication

750 First St Ne, Washington, USA, Dc, 20002-4242

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in psychology

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