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Cognitive clustering—How general?

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  • Loehlin, John C.

Abstract

Do “cognitive types”—groups of individuals with distinctive patterns of cognitive strengths and weaknesses—exist? The Texas Adoption Project (Horn & Loehlin, 2010) included 965 individuals with intelligence test subtest scores. Clusters formed from these individuals were compared with clusters found by others using the same intelligence test, and between subsamples in the present study—two random subsamples, two methods of clustering, two intelligence tests, the two sexes, and two generations. Moderate consistencies were found for the majority of the comparisons within the present sample. There was less cross-study agreement.

Suggested Citation

  • Loehlin, John C., 2019. "Cognitive clustering—How general?," Intelligence, Elsevier, vol. 75(C), pages 19-22.
    • Handle: RePEc:eee:intell:v:75:y:2019:i:c:p:19-22
    DOI: 10.1016/j.intell.2019.03.001
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    References listed on IDEAS

    as
    1. Coyle, Thomas R., 2018. "Non-g residuals of group factors predict ability tilt, college majors, and jobs: A non-g nexus," Intelligence, Elsevier, vol. 67(C), pages 19-25.
    2. Loehlin, John C. & Wright, Margaret J. & Hansell, Narelle K. & Martin, Nicholas G., 2018. "Are there distinct cognitive types?," Intelligence, Elsevier, vol. 70(C), pages 7-11.
    3. Wai, Jonathan & Hodges, Jaret & Makel, Matthew C., 2018. "Sex differences in ability tilt in the right tail of cognitive abilities: A 35-year examination," Intelligence, Elsevier, vol. 67(C), pages 76-83.
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