Document Detail

The influence of stimulus properties on category construction.
MedLine Citation:
PMID:  14979814     Owner:  NLM     Status:  MEDLINE    
It has been demonstrated that when people free classify stimuli presented simultaneously in an array, they have a preference to categorize by a single dimension. However, when people are encouraged to categorize items sequentially, they sort by "family resemblance," grouping by overall similarity. The present studies extended this research, producing 3 main findings. First, the sequential procedure introduced by G. Regehr and L. R. Brooks (1995) does not always produce a preference for family resemblance sorts. Second, sort strategy in a sequential procedure is sensitive to subtle variations in stimulus properties. Third, spatially separable stimuli evoked more family resemblance sons than stimuli of greater spatial integration. It is suggested that the family resemblance sorting observed is due to an analytic strategy.
Fraser Milton; A J Wills
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of experimental psychology. Learning, memory, and cognition     Volume:  30     ISSN:  0278-7393     ISO Abbreviation:  J Exp Psychol Learn Mem Cogn     Publication Date:  2004 Mar 
Date Detail:
Created Date:  2004-02-24     Completed Date:  2004-06-25     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8207540     Medline TA:  J Exp Psychol Learn Mem Cogn     Country:  United States    
Other Details:
Languages:  eng     Pagination:  407-15     Citation Subset:  IM    
University of Exeter, Exeter, United Kingdom.
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MeSH Terms
Association Learning*
Concept Formation*
Decision Theory
Discrimination Learning*
Pattern Recognition, Visual*
Probability Learning
Problem Solving
Set (Psychology)*
Size Perception

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