Heritability of the big five personality dimensions and their facets: a twin study.
- K. Jang, W. Livesley, P. Vernon
- PsychologyJournal of Personality
- 1 September 1996
The genetic and environmental etiology of the five-factor model of personality as measured by the revised NEO Personality Inventory (NEO-PI-R) was assessed using 123 pairs of identical twins and 127…
Phenotypic and genetic structure of traits delineating personality disorder.
- W. Livesley, K. Jang, P. Vernon
- PsychologyArchives of General Psychiatry
- 1 October 1998
The results support the following conclusions: first, the stable structure of traits across clinical and nonclinical samples is consistent with dimensional representations of personality disorders, and second, the higher-order traits of personality disorder strongly resemble dimensions of normal personality.
Genetic and environmental influences on trauma exposure and posttraumatic stress disorder symptoms: a twin study.
- M. Stein, K. Jang, Steven Taylor, P. Vernon, W. Livesley
- PsychologyAmerican Journal of Psychiatry
- 1 October 2002
Consistent with symptoms in combat veterans, PTSD symptoms after noncombat trauma are also moderately heritable, and many of the same genes that influence exposure to assaultive trauma appear to influence susceptibility to PTSD symptoms in their wake.
Is the genetic structure of human personality universal? A cross-cultural twin study from North America, Europe, and Asia.
- S. Yamagata, Atsunobu Suzuki, K. Jang
- PsychologyJournal of Personality and Social Psychology
- 1 June 2006
The results suggest that the FFM has a solid biological basis and may represent a common heritage of the human species.
Genetic and environmental influences on the covariance of facets defining the domains of the five-factor model of personality
- K. Jang, W. Livesley, A. Angleitner, R. Riemann, P. Vernon
- Psychology
- 5 July 2002
Confirmatory factor analysis of a short form of the Coping Inventory for Stressful Situations.
- Sharon L Cohan, K. Jang, M. Stein
- PsychologyJournal of Clinical Psychology
- 1 March 2006
It was concluded that the task-oriented and emotional scales have potential as measures of two types of responses to routine stressors.
Genetic and environmental structure of Cloninger's temperament and character dimensions.
- J. Ando, Atsunobu Suzuki, K. Jang
- PsychologyJournal of Personality Disorders
- 2004
The multivariate genetic and environmental structure of Cloninger's Temperament and Character Inventory was investigated in a sample of adolescent and young adult twins from Japan and showed that several subscales used to define one dimension shared a common genetic basis with subscales defining others.
Differentiating normal, abnormal, and disordered personality
- W. Livesley, K. Jang
- Psychology
- 1 June 2005
Interest in the interface between normality and psychopathology was renewed with the publication of DSM‐III more than 20 years ago. The use of a separate axis to classify disorders of personality…
Insecure attachment and personality disorder: a twin study of adults
- T. Crawford, W. John Livesley, K. Jang, P. Shaver, P. Cohen, J. Ganiban
- Psychology
- 1 March 2007
This study used 239 twin pairs from a volunteer community sample to investigate how anxious and avoidant attachment are related to personality disorder (PD). Factor analysis showed that self‐reported…
The heritability of attitudes: a study of twins.
- J. M. Olson, P. Vernon, J. A. Harris, K. Jang
- PsychologyJournal of Personality and Social Psychology
- 1 June 2001
The genetic basis of individual differences in attitudes was examined in a survey of 195 pairs of monozygotic twins and 141 pairs of same-sex dizygotic twins, and several possible mediators of attitude heritability correlated at a genetic level with the heritable attitude factors.
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