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| Research article summary (published 5 Sep 2002): |
The role of instructions, practice, and stimulus-hand correspondence on the Simon effect.
Full Abstract
Numerous studies of two-choice reaction tasks, including auditory and visual Simon tasks (i.e., tasks in which stimulus location is irrelevant) and visual compatibility tasks, have found that only spatial stimulus-response (S-R) correspondence affected S-R compatibility. Their results provided no indication that stimulus-hand correspondence was a significant factor. However, Wascher et al. (2001) suggested that hand coding plays a role in visual and auditory Simon tasks when the instructions are in terms of the finger/hand used for responding. The present experiments examined whether instructing subjects in terms of response locations or fingers/hands influenced the Simon effect for visual and auditory tasks. In Experiments 1-3, only spatial S-R correspondence contributed significantly to the Simon effect, even when the instructions were in terms of the fingers/hands. However, in Experiment 4, which used auditory stimuli and finger/hand instructions, the contribution of stimulus-hand correspondence increased with practice.
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Author information
Author/s: Roswarski, Todd Eric (TE); Proctor, Robert W (RW);
Affiliation: Psychology Department, Psychology Building 1364, Purdue University, West Lafayette, Indiana 47907-1364, USA. roswarst@wabash.edu
Journal and publication information
Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial
Journal: Psychological research (Psychol Res), published in Germany. (Language: eng)
Reference: 2003-Feb; vol 67 (issue 1) : pp 43-55
Dates: Created 2003/02/17; Completed 2003/05/06; Revised 2004/11/17;
PMID: 12589449, 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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