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  • Integration of category induction and hierarchical classification: One paradigm at two levels of complexity

    Author(s)
    Halford, Graeme S
    Andrews, Glenda
    Jensen, Ingalise
    Griffith University Author(s)
    Andrews, Glenda
    Year published
    2002
    Metadata
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    Abstract
    Hierarchical classification (HC) and category induction (CI) were tested by a common property inference procedure to facilitate comparison and enable relative complexities to be assessed. Relational complexity theory predicts that HC is more complex because it entails a ternary relation between categories B, A, and A' such that A and A' are included in B, whereas CI entails a simpler binary relation between a category and its complement. Experiment 1 tested inferences about familiar categories with plausible but unfamiliar attributes, and Experiment 2 assessed inferences about fictitious categories with familiar attributes. ...
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    Hierarchical classification (HC) and category induction (CI) were tested by a common property inference procedure to facilitate comparison and enable relative complexities to be assessed. Relational complexity theory predicts that HC is more complex because it entails a ternary relation between categories B, A, and A' such that A and A' are included in B, whereas CI entails a simpler binary relation between a category and its complement. Experiment 1 tested inferences about familiar categories with plausible but unfamiliar attributes, and Experiment 2 assessed inferences about fictitious categories with familiar attributes. As predicted, HC was more difficult than CI. Children over 5 years succeeded on both, but 3-year-olds succeeded on CI only. Tasks of the same level of complexity predicted 68% (Experiment 1) and 80% (Experiment 2) of age-related variance. The results suggest that HC and CI may be regarded as 1 paradigm with 2 levels of structural complexity.
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    Journal Title
    Journal of Cognition and Development
    Volume
    3
    Issue
    2
    DOI
    https://doi.org/10.1207/S15327647JCD0302_2
    Subject
    Cognitive Sciences
    Psychology
    Publication URI
    http://hdl.handle.net/10072/7108
    Collection
    • Journal articles

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