Reaction times as a measure of uncertainty

Claude Bonnet, Jordi Fauquet Ars, Santiago Estaún Ferrer

Research output: Contribution to journalArticleResearchpeer-review

7 Citations (Scopus)


In this article, a method is presented to analyse relationships between detection or discrimination frequencies and reaction times in psychophysical tasks. It is shown in three empirical data sets that reaction time decreases as a linear function of the absolute value of the logit transforms of the response probabilities. Such a function stresses the characteristic uncertainty associated with subjects' responses and the relation between their response parameters and the response criterion used by the subjects. Copyright © 2008 Psicothema.
Original languageEnglish
Pages (from-to)43-48
Issue number1
Publication statusPublished - 1 Feb 2008


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