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On the relationship between psychopathy and general intelligence: A meta-analytic review

Olga Sanchez de Ribera, Nicholas Kavish, Brian Boutwell
doi: https://doi.org/10.1101/100693
Olga Sanchez de Ribera
aInstitute of Criminology, University of Cambridge, Sidgwick Avenue, Cambridge, CB3 9DA United Kingdom email:
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  • For correspondence: olgasrdc@gmail.com
Nicholas Kavish
bDepartment of Psychology and Philosophy, Sam Houston State University, 1901 Avenue I, Suite 390, Huntsville, TX 77340, USA email:
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  • For correspondence: nak012@shsu.edu nak012@shsu.edu
Brian Boutwell
cDepartment of Criminology and Criminal Justice and Department of Epidemiology, College for Public Health and Social Justice, Saint Louis University, St. Louis, MO 63103, USA email:
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  • For correspondence: boutwellb@slu.edu
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Abstract

Over recent decades, a growing body of research has accumulated concerning the relationship between indicators of general intelligence and the personality construct known as psychopathy. Both traits represent key correlates of life outcomes, predicting everything from occupational and economic success, to various indicators of prosocial behavior (including avoiding contact with the criminal justice system). The findings to date regarding the association of the two traits, however, have been somewhat inconsistent. Thus, there remains a need for a more systematic investigation of the extant empirical literature. The current study reports a meta-analysis conducted to evaluate the direction and overall effect size of the relationship between these two constructs. Our analyses revealed a small, but significant, negative effect of intelligence on psychopathy. The results and impact of possible moderating variables such as type of intelligence test used are discussed. Finally, the study limitations, and possible directions for further research on this issue are detailed prior to concluding.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted January 17, 2017.
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On the relationship between psychopathy and general intelligence: A meta-analytic review
Olga Sanchez de Ribera, Nicholas Kavish, Brian Boutwell
bioRxiv 100693; doi: https://doi.org/10.1101/100693
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On the relationship between psychopathy and general intelligence: A meta-analytic review
Olga Sanchez de Ribera, Nicholas Kavish, Brian Boutwell
bioRxiv 100693; doi: https://doi.org/10.1101/100693

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