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The effect of category variability in perceptual categorization

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Stewart, Neil and Chater, Nick (2002) The effect of category variability in perceptual categorization. Journal of Experimental Psychology: Learning, Memory, and Cognition, Vol.28 (No.5). pp. 893-907. doi:10.1037/0278-7393.28.5.893

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Official URL: http://dx.doi.org/10.1037/0278-7393.28.5.893

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Abstract

Exemplar and distributional accounts of categorization make differing predictions for the classification of a critical exemplar precisely halfway between the nearest exemplars of 2 categories differing in variability. Under standard conditions of sequential presentation, the critical exemplar was classified into the most similar, least variable category, consistent with an exemplar account. However, if the difference in variability is made more salient, then the same exemplar is classified into the more variable, most likely category, consistent with a distributional account. This suggests that participants may be strategic in their use of either strategy. However, when the relative variability of 2 categories was manipulated, participants showed changes in the classification of intermediate exemplars that neither approach could account for.

Item Type: Journal Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Faculty of Science > Psychology
Library of Congress Subject Headings (LCSH): Categorization (Psychology), Decision making -- Testing, Pattern perception
Journal or Publication Title: Journal of Experimental Psychology: Learning, Memory, and Cognition
Publisher: American Psychological Association
ISSN: 0278-7393
Official Date: September 2002
Dates:
DateEvent
September 2002Published
Volume: Vol.28
Number: No.5
Page Range: pp. 893-907
DOI: 10.1037/0278-7393.28.5.893
Status: Peer Reviewed
Access rights to Published version: Open Access
Funder: Economic and Social Research Council (Great Britain) (ESRC), Biotechnology and Biological Sciences Research Council (Great Britain) (BBSRC), European Commission (EC)
Grant number: R000239351 (ESRC), 88/S09589 (BBSRC), RTN-HPRN-CT-1999-00065 (EC)

Data sourced from Thomson Reuters' Web of Knowledge

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