This data set is a bivariate series of response times and accuracy scores of a single participant switching between slow/accurate responding and fast guessing on a lexical decision task. The slow and accurate responding, and the fast guessing can be modelled using two states, with a switching regime between them. The dataset further contains a third variable called Pacc, representing the relative pay-off for accurate responding, which is on a scale of zero to one. The value of Pacc was varied during the experiment to induce the switching. This data set is a from participant A in experiment 1a from Dutilh et al (2011).
A data frame with 439 observations on the following 4 variables.
a numeric vector of response times (log ms)
a numeric vector of accuracy scores (0/1)
a numeric vector of the pay-off for accuracy
a numeric vector of accuracy scores (0/1) on the previous trial
Gilles Dutilh, Eric-Jan Wagenmakers, Ingmar Visser, & Han L. J. van der Maas (2011). A phase transition model for the speed-accuracy trade-off in response time experiments. Cognitive Science, 35:211-250.
Corresponding author: [email protected]
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