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Personality and Intelligence Interact in the Prediction of Academic Achievement

Department of Psychology, Technical University Dortmund, Emil-Figge-Straße 50, 44227 Dortmund, Germany
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Received: 23 March 2018 / Revised: 3 May 2018 / Accepted: 7 May 2018 / Published: 10 May 2018
(This article belongs to the Special Issue The Ability-Personality Integration)
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Abstract

Personality predicts academic achievement above and beyond intelligence. However, studies investigating the possible interaction effects between personality and intelligence when predicting academic achievement are scarce, as is the separate investigation of broad personality factors versus narrow personality facets in this context. Two studies with 11th grade students (Study 1: N = 421; Study 2: N = 243) were conducted to close this research gap. The students completed the Intelligence-Structure-Test 2000 R measuring general reasoning ability, and a well-established personality inventory based on the Five Factor Model. Academic achievement was operationalized via Grade Point Average. Using hierarchical regression and moderation analyses, Study 1 revealed that Conscientiousness interacted with intelligence when predicting academic achievement: there was a stronger association between intelligence and academic achievement when students scored higher on the Conscientiousness scale. Study 2 confirmed the findings from Study 1 and also found a moderation effect of Neuroticism (stronger association between intelligence and academic achievement with lower values on the Neuroticism scale). Analyses at the facet level revealed much more differentiated results than did analyses at the domain level, suggesting that investigating personality facets should be preferred over investigating personality domains when predicting academic achievement. View Full-Text
Keywords: personality factors; personality facets; Big Five; intelligence; personality-intelligence interface; academic achievement; grade point average personality factors; personality facets; Big Five; intelligence; personality-intelligence interface; academic achievement; grade point average
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Supplementary material

  • Externally hosted supplementary file 1
    Doi: 10.5160/psychdata.srra08pe02
    Description: Personality, Intelligence, and Academic Achievement_Study 1 Personality, Intelligence, and Academic Achievement_Study 2
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Bergold, S.; Steinmayr, R. Personality and Intelligence Interact in the Prediction of Academic Achievement. J. Intell. 2018, 6, 27.

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