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| Research article summary (published 27 Feb 2002): |
The importance of irrelevant-dimension variability in the stroop flanker task.
Full Abstract
Two experiments in which the Stroop flanker task was used were conducted in order to examine the influence of irrelevant dimension invariance on congruency effects. Participants responded manually to a central color patch flanked by a Stroop stimulus. In Experiment 1, invariance in flanker location was found to have no influence on word and color congruency effects. In contrast, invariance of flanker identity led to the disappearance of congruency effects. Experiment 2 indicated that the elimination of a congruency effect was restricted to the dimension that remained constant and did not influence the congruency effect of the other dimension that was presented at the same location. Results suggest that variance is a prerequisite to congruity effects, determining the activation of irrelevant dimensions.
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Author information
Author/s: Morein-Zamir, Sharon (S); Henik, Avishai (A); Spitzer-Davidson, Idit (I);
Affiliation: Ben-Gurion University of the Negev, Beer-Sheva, Israel. smorein(-atsign-)interchange.ubc.ca
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
Journal: Psychonomic bulletin & review (Psychon Bull Rev), published in United States. (Language: eng)
Reference: 2002-Mar; vol 9 (issue 1) : pp 119-25
Dates: Created 2002/05/24; Completed 2002/11/19; Revised 2006/11/15;
PMID: 12026943, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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