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    Basic-level category discriminations by 7- and 9-month-olds in an object examination task

    Mareschal, Denis and Powell, D. and Volein, A. (2003) Basic-level category discriminations by 7- and 9-month-olds in an object examination task. Journal of Experimental Child Psychology 86 (2), pp. 87-107. ISSN 0022-0965.

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    Abstract

    This study examines 7- and 9-month-olds’ ability to categorize cats as separate from dogs, and dogs as separate from cats in an object examination task. In Experiment 1, 7- and 9-month-olds (N=30) familiarized with toy cat replicas were found to form a category of cat that included novel cats but excluded a dog and an eagle. In Experiment 2, 7- and 9-month-olds (N=30) familiarized with toy dog replicas were found to form a category of dog that included a novel dogs and a novel cat but excluded an eagle. These results mirror those of 3- to 4-month-olds tested with visual preference methods and stand in contrast to previously reported object examination results. Analyses of the distribution of features in the exemplars used to familiarize infants suggest that, like the 3- to 4-month-olds, the 7- and 9-month-olds in these studies form categories within the task, and on the basis of feature distributions.

    Metadata

    Item Type: Article
    Keyword(s) / Subject(s): Infancy, Categorization, Asymmetric exclusivity, Basic-level categorization
    School: Birkbeck Schools and Departments > School of Science > Psychological Sciences
    Research Centre: Brain and Cognitive Development, Centre for (CBCD)
    Depositing User: Administrator
    Date Deposited: 01 Aug 2017 13:58
    Last Modified: 01 Aug 2017 13:58
    URI: http://eprints.bbk.ac.uk/id/eprint/19253

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