Sunday, August 1, 2021

None of the constructs of the dark triad are meaningfully related to intelligence; this challenges the notion that the dark triad is an adaptive set of personality traits that enables individuals to effectively manipulate their social surroundings

General Intelligence and the Dark Triad: A Meta-Analysis. Moritz Michels. Journal of Individual Differences, Jul 29 2021. https://doi.org/10.1027/1614-0001/a000352

Abstract: The dark triad of personality (D3) – consisting of psychopathy, Machiavellianism, and narcissism – is a set of socially aversive personality traits. All three traits encompass disagreeable behavior and a particular disregard for the well-being of others, but also a tendency to strategic and deceptive manipulation of social environments in order to attain one′s goals. To exercise these complex manipulations effectively it seems beneficial to have high cognitive abilities. Therefore, a meta-analysis was conducted to examine possible relationships between intelligence and the dark triad. A total of 143 studies were identified to estimate the strength of relationships between the D3 and general, verbal, and nonverbal intelligence. The results indicate that none of the constructs of the dark triad are meaningfully related to intelligence. However, there was a small negative correlation between intelligence and Factor 2 psychopathy. The substantial heterogeneity regarding the observed effect sizes could not be explained with meta-regression for the most part. There was no evidence for a publication bias. In total, the results challenge the notion that the dark triad is an adaptive set of personality traits that enables individuals to effectively manipulate their social surroundings.


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