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Genetic and environmental stability differs in reactive and proactive aggression
Department of Psychology, University of Southern California, Los Angeles, California, USA.ORCID iD: 0000-0001-8768-6954
Departments of Criminology, Psychiatry, and Psychology, University of Pennsylvania, Pennsylvania, Philadelphia, USA.
Department of Psychology, University of Southern California, Los Angeles, California, USA.
Department of Psychology, University of Southern California, Los Angeles, California, USA.
2009 (English)In: Aggressive Behavior, ISSN 0096-140X, E-ISSN 1098-2337, Vol. 35, no 6, 437-452 p.Article in journal (Refereed) Published
Abstract [en]

The aim of this study was to examine stability and change in genetic and environmental influences on reactive (impulsive and affective) and proactive (planned and instrumental) aggression from childhood to early adolescence. The sample was drawn from an ongoing longitudinal twin study of risk factors for antisocial behavior at the University of Southern California (USC). The twins were measured on two occasions: ages 9-10 years (N=1,241) and 11-14 years (N=874). Reactive and proactive aggressive behaviors were rated by parents. The stability in reactive aggression was due to genetic and nonshared environmental influences, whereas the continuity in proactive aggression was primarily genetically mediated. Change in both reactive and proactive aggression between the two occasions was mainly explained by nonshared environmental influences, although some evidence for new genetic variance at the second occasion was found for both forms of aggression. These results suggest that proactive and reactive aggression differ in their genetic and environmental stability, and provide further evidence for some distinction between reactive and proactive forms of aggression.

Place, publisher, year, edition, pages
2009. Vol. 35, no 6, 437-452 p.
Keyword [en]
Aggression; Heritability; Longitudinal; Proactive; Reactive
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:oru:diva-43786DOI: 10.1002/ab.20319ISI: 000271037500001PubMedID: 19688841Scopus ID: 2-s2.0-73049086867OAI: oai:DiVA.org:oru-43786DiVA: diva2:797117
Note

Funding Agencies:

NIMH R01-MH58354 K02 MH01114-08

Swedish Council for Working Life and Social Research 2006-1501

Sweden-America Foundation

Available from: 2015-03-23 Created: 2015-03-23 Last updated: 2015-03-31Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
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  • modern-language-association-8th-edition
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  • de-DE
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