Nonshared Environmental Effects on Adulthood Psychopathic Personality Traits: Results from a Monozygotic Twin Difference Scores Analysis

Nonshared Environmental Effects on Adulthood Psychopathic Personality Traits: Results from a... An emerging body of empirical research has revealed that nonshared environmental factors are associated with explaining variance in measures of psychopathy and psychopathic personality traits. The current study adds to this existing knowledge base by analyzing a measure of psychopathy derived, in part, from the five factor model in a sample of monozygotic (MZ) twin pairs drawn from the National Longitudinal Study of Adolescent Health. The results of the MZ twin difference scores analysis revealed that nonshared environmental factors found within the family were unrelated to between-twin differences in psychopathic personality traits. Only one nonshared factor—levels of self-control—consistently predicted psychopathy. We conclude by discussing the implications of our findings and the limitations of our study. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Psychiatric Quarterly Springer Journals

Nonshared Environmental Effects on Adulthood Psychopathic Personality Traits: Results from a Monozygotic Twin Difference Scores Analysis

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Publisher
Springer US
Copyright
Copyright © 2013 by Springer Science+Business Media New York
Subject
Medicine & Public Health; Psychiatry; Public Health; Sociology, general
ISSN
0033-2720
eISSN
1573-6709
D.O.I.
10.1007/s11126-013-9255-5
Publisher site
See Article on Publisher Site

Abstract

An emerging body of empirical research has revealed that nonshared environmental factors are associated with explaining variance in measures of psychopathy and psychopathic personality traits. The current study adds to this existing knowledge base by analyzing a measure of psychopathy derived, in part, from the five factor model in a sample of monozygotic (MZ) twin pairs drawn from the National Longitudinal Study of Adolescent Health. The results of the MZ twin difference scores analysis revealed that nonshared environmental factors found within the family were unrelated to between-twin differences in psychopathic personality traits. Only one nonshared factor—levels of self-control—consistently predicted psychopathy. We conclude by discussing the implications of our findings and the limitations of our study.

Journal

Psychiatric QuarterlySpringer Journals

Published: Feb 2, 2013

References

  • Nonshared environmental influences on individual differences in early behavioral development: A monozygotic twin differences study
    Asbury, K; Dunn, JF; Pike, A; Plomin, R

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