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Target-Response Associations Can Produce Response-Congruency Effects Without Task-Switching Costs

Li, Bingxin and Li, Xiangqian and Liu, Xuhong and Lages, Martin and Stoet, Gijsbert (2019) 'Target-Response Associations Can Produce Response-Congruency Effects Without Task-Switching Costs.' Frontiers in Psychology, 10 (FEB). ISSN 1664-1078

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Abstract

In task-switching experiments with bivalent target stimuli, conflicts during response selection give rise to response-congruency effects. Typically, participants respond more slowly and make more errors in trials with incongruent targets that require different responses in the two tasks, compared to trials with congruent targets that are associated with the same response in both tasks. Here we investigate whether participants show response-congruency effects when task rules are not made explicit. In two experiments, we assigned task-irrelevant features to each bivalent target. When participants were instructed to apply the task rules, they showed significant task-switching costs as well as response-congruency effects. Importantly, when the same participants did not know the task rules and responded without applying the task rules, they showed response-congruency effects but no switch costs. The significant congruency effects suggest that associations between bivalent target features and responses can be formed passively, even when participants do not follow the task rules and use task-irrelevant target features to make a response.

Item Type: Article
Uncontrolled Keywords: task-switching; bivalent stimuli; target-response association; task-switching cost; congruency effect
Divisions: Faculty of Science and Health > Psychology, Department of
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 16 Feb 2022 11:17
Last Modified: 16 Feb 2022 11:17
URI: http://repository.essex.ac.uk/id/eprint/32316

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