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The genetic and environmental covariation among psychopathic personality traits, and reactive and proactive aggression in childhood
Washington University School of Medicine, United States .
Department of Psychology, University of Southern California, Los Angeles, United States . (CAPS)ORCID iD: 0000-0001-8768-6954
University of Pennsylvania, United States .
Department of Psychology, University of Southern California, Los Angeles, United States .
2011 (English)In: Child Development, ISSN 0009-3920, E-ISSN 1467-8624, Vol. 82, no 4, 1267-1281 p.Article in journal (Refereed) Published
Abstract [en]

The present study investigated the genetic and environmental covariance between psychopathic personality traits with reactive and proactive aggression in 9- to 10-year-old twins (N=1,219). Psychopathic personality traits were assessed with the Child Psychopathy Scale (D. R. Lynam, 1997), while aggressive behaviors were assessed using the Reactive Proactive Questionnaire (A. Raine et al., 2006). Significant common genetic influences were found to be shared by psychopathic personality traits and aggressive behaviors using both caregiver (mainly mother) and child self-reports. Significant genetic and nonshared environmental influences specific to psychopathic personality traits and reactive and proactive aggression were also found, suggesting etiological independence among these phenotypes. Additionally, the genetic relation between psychopathic personality traits and aggression was significantly stronger for proactive than reactive aggression when using child self-reports.

Place, publisher, year, edition, pages
2011. Vol. 82, no 4, 1267-1281 p.
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:oru:diva-41064DOI: 10.1111/j.1467-8624.2011.01598.xISI: 000292605100018PubMedID: 21557742Scopus ID: 2-s2.0-79960196322OAI: oai:DiVA.org:oru-41064DiVA: diva2:779525
Available from: 2015-01-13 Created: 2015-01-13 Last updated: 2015-03-31Bibliographically approved

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Citation style
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