Does switching between strategies within the same task involve a cost?
In two experiments, participants had to switch regularly between two cognitive strategies of a different complexity in the context of a numerosity judgement task. Expt 1 comprised bivalent stimuli (i.e. allowing the application of the two strategies), whereas Expt 2 involved univalent stimuli (i.e....
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| Veröffentlicht in: | The British journal of psychology 2009-11, Vol.100 (4), p.753-771 |
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| container_title | The British journal of psychology |
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| creator | Luwel, Koen Schillemans, Viki Onghena, Patrick Verschaffel, Lieven |
| description | In two experiments, participants had to switch regularly between two cognitive strategies of a different complexity in the context of a numerosity judgement task. Expt 1 comprised bivalent stimuli (i.e. allowing the application of the two strategies), whereas Expt 2 involved univalent stimuli (i.e. allowing the application of only one strategy). Both experiments revealed that switching between strategies entailed a cognitive cost that was reflected in longer response times on switch compared to non‐switch trials but not in reduced accuracy. The size of this switch cost did not differ as a function of strategy complexity but tended to diminish as a strategy became more appropriate for solving a particular problem. We discuss the extent to which current theories of task switching can account for these findings. |
| doi_str_mv | 10.1348/000712609X402801 |
| format | Article |
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| subjects | Accuracy Attention Biological and medical sciences Choice Behavior Cognition & reasoning Cognition. Intelligence Cognitive psychology Cognitive strategies Color Perception Experimental psychology Experiments Female Fundamental and applied biological sciences. Psychology Humans Judgment Male Mathematical Concepts Miscellaneous Pattern Recognition, Visual Problem Solving Psychological effects Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Reaction Time Reaction times Response time Reversal Learning Sociological analysis Task analysis Young Adult |
| title | Does switching between strategies within the same task involve a cost? |
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