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Title: Determinants of speeded categorization in natural concepts
Authors: Verbeemen, Timothy ×
Storms, Gerrit
Verguts, T #
Issue Date: 2003
Publisher: Belgian psychol soc
Series Title: Psychologica belgica vol:43 issue:3 pages:139-151
Abstract: In this paper we describe two experiments in which the effects of typicality information from a target and a contrasting category on reaction times in a speeded categorization task were investigated. Experiment 1 elaborated on findings by Verbeemen et al. (2001) who found an effect of feature- and exemplar-based predictors from the target category, but virtually no effect of predictors from contrasting categories, in a wide range of categories. To avoid restrictions in the amount of relevant typicality information covered by these predictors we took a more direct approach. With directly rated typicality as a predictor for reaction times we obtained identical results. Experiment 2 expanded the set of concepts studied to superordinate animal concepts, again with typicalities as predictors. In these concepts we did find significant contributions of contrast categories. Possible explanations are discussed.
URI: 
ISSN: 0033-2879
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Onderzoeksgroep hogere cognitie en individuele verschillen (-)
× corresponding author
# (joint) last author

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