Title: Does switching between strategies within the same task involve a cost?
Authors: Luwel, Koen ×
Schillemans, Viki
Onghena, Patrick
Verschaffel, Lieven #
Issue Date: Nov-2009
Publisher: Cambridge University Press
Series Title: British Journal of Psychology vol:100 pages:753-771
Abstract: 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.
ISSN: 0007-1269
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Methodology of Educational Sciences
Education and Training
Instructional Psychology and Technology
Research Centre for Educational Research & Development, Campus Brussels (-)
Faculty of Economics and Business (FEB) - miscellaneous
× corresponding author
# (joint) last author

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