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The picture superiority effect in categorization: visual or semantic?

Authors
Type
Published Article
Journal
Journal of experimental psychology. Learning, memory, and cognition
Publication Date
Volume
18
Issue
5
Pages
1019–1028
Identifiers
PMID: 1402707
Source
Medline
License
Unknown

Abstract

Two experiments are reported whose aim was to replicate and generalize the results presented by Snodgrass and McCullough (1986) on the effect of visual similarity in the categorization process. For pictures, Snodgrass and McCullough's results were replicated because Ss took longer to discriminate elements from 2 categories when they were visually similar than when they were visually dissimilar. However, unlike Snodgrass and McCullough, an analogous increase was also observed for word stimuli. The pattern of results obtained here can be explained most parsimoniously with reference to the effect of semantic similarity, or semantic and visual relatedness, rather than to visual similarity alone.

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