Document Detail

Additive factors analysis of reaction time with alphanumericals and line orientations as stimuli.
MedLine Citation:
PMID:  12422953     Owner:  NLM     Status:  MEDLINE    
Most additive factors method (AFM) analyses of choice reaction time (CRT) have used alphanumerics whereas tests of single process models have often used line length or line orientation. The suggestion is raised that commonly observed additive effects of variables on CRT might not apply to stimuli of the latter category. This would mean a severe limitation of the AFM in that the stage structure of choice reactions would be stimulus specific. The issue is addressed in two experiments. The first showed additive effects of stimulus quality and stimulus-response compatiblility for both alphanumerics and line orientations as stimuli. The second showed that for both stimulus categories the effect of stimulus quality was fully reflected in visual fixation time. Together the results argue against a single central process and favour a stage model of CRT.
A F Sanders; F M Klompenhouwer
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta psychologica     Volume:  111     ISSN:  0001-6918     ISO Abbreviation:  Acta Psychol (Amst)     Publication Date:  2002 Nov 
Date Detail:
Created Date:  2002-11-08     Completed Date:  2002-12-10     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0370366     Medline TA:  Acta Psychol (Amst)     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  337-49     Citation Subset:  IM    
Department of Psychology, Free University, Amsterdam, The Netherlands.
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MeSH Terms
Choice Behavior
Fixation, Ocular
Reaction Time
Visual Perception*

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