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Slow and steady? Strategic adjustments in response caution are moderately reliable and correlate across tasks

Hedge, Craig ORCID:, Vivian-Griffiths, Solveiga, Powell, Georgina ORCID:, Bompas, Aline ORCID: and Sumner, Petroc ORCID: 2019. Slow and steady? Strategic adjustments in response caution are moderately reliable and correlate across tasks. Consciousness and Cognition 75 , 102797. 10.1016/j.concog.2019.102797

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Speed-accuracy trade-offs are often considered a confound in speeded choice tasks, but individual differences in strategy have been linked to personality and brain structure. We ask whether strategic adjustments in response caution are reliable, and whether they correlate across tasks and with impulsivity traits. In Study 1, participants performed Eriksen flanker and Stroop tasks in two sessions four weeks apart. We manipulated response caution by emphasising speed or accuracy. We fit the diffusion model for conflict tasks and correlated the change in boundary (accuracy – speed) across session and task. We observed moderate test-retest reliability, and medium to large correlations across tasks. We replicated this between-task correlation in Study 2 using flanker and perceptual decision tasks. We found no consistent correlations with impulsivity. Though moderate reliability poses a challenge for researchers interested in stable traits, consistent correlation between tasks indicates there are meaningful individual differences in the speed-accuracy trade-off.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Publisher: Elsevier
ISSN: 1053-8100
Funders: Wellcome Trust
Date of First Compliant Deposit: 6 August 2019
Date of Acceptance: 23 July 2019
Last Modified: 23 Jun 2024 07:02

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