Think then act, or act then think? Double-response reaction times shed light on decision dynamics in precrastination.

Abstract

account, there is a desire to shorten one's mental to-do list so cognitive resources can be directed to other things. We invented a new task to distinguish between these hypotheses. Our participants made yes-no decisions under the requirement that they always respond twice per trial. We found that participants took longer for the first choice than the second and rarely changed their minds, even when second response accuracy was emphasized. This outcome went against the behavioral account, which predicted shorter first-response times than second-response times and lower (near chance) first-response accuracies than second-response accuracies. Instead, the data clearly showed that participants did all or most of their decision-making up front. The double-response reaction time task provides a new tool for studying decision dynamics. (PsycInfo Database Record (c) 2022 APA, all rights reserved).

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