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Relationships between Personality and Cognitive Ability: A Facet-Level Analysis

1
GESIS—Leibniz Institute for the Social Sciences, P.O. Box 12 21 55, D-68072 Mannheim, Germany
2
University of Applied Labor Studies, Seckenheimer Landstr. 16, D-68163 Mannheim, Germany
*
Author to whom correspondence should be addressed.
Received: 28 March 2018 / Revised: 9 May 2018 / Accepted: 15 May 2018 / Published: 18 May 2018
(This article belongs to the Special Issue The Ability-Personality Integration)
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Abstract

A growing body of research supports the notion that cognitive abilities and personality are systematically related. However, this research has focused largely on global personality dimensions and single—often equally global—markers of cognitive ability. The present study offers a more fine-grained perspective. Specifically, it is one of the first studies to comprehensively investigate the associations between both fluid and crystallized intelligence with Big Five personality domains as well as their facets. Based on a heterogeneous sample of the adult population in Germany (N = 365), our study yielded three key findings. First, personality was more strongly related to crystallized intelligence than to fluid intelligence. This applied both to the total variance explained and to the effect sizes of most of the Big Five domains and facets. Second, facets explained a larger share of variance in both crystallized and fluid intelligence than did domains. Third, the associations of different facets of the same domain with cognitive ability differed, often quite markedly. These differential associations may substantially reduce—or even suppress—the domain-level associations. Our findings clearly attest to the added value of a facet-level perspective on the personality–cognitive ability interface. We discuss how such a fine-grained perspective can further theoretical understanding and enhance prediction. View Full-Text
Keywords: cognitive skills; personality; Big Five; facets; fluid and crystallized intelligence cognitive skills; personality; Big Five; facets; fluid and crystallized intelligence
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Rammstedt, B.; Lechner, C.M.; Danner, D. Relationships between Personality and Cognitive Ability: A Facet-Level Analysis. J. Intell. 2018, 6, 28.

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