Stability and invariance of psychopathic traits from late adolescence to young adulthood

Craig Neumann, Megan Wampler, Jeanette Taylor, Daniel M. Blonigen, William G. Iacono

Research output: Contribution to journalArticlepeer-review

30 Scopus citations


The current study examined the longitudinal stability and invariance of psychopathic traits in a large community sample of male twins from ages 17 to 23. Participants were assessed across 6. years to gauge the stability and measurement invariance of the Minnesota Temperament Inventory (MTI), a Cleckley-based measure of psychopathic personality traits, and how family functioning and externalizing behavior were linked to these traits. A latent variable approach was used to model the structure of the MTI and provide a statistical test of measurement invariance across time. The results revealed support for invariance and moderate to strong stability of the MTI factors, which showed significant associations with the external correlates in late adolescence but not early adulthood.

Original languageEnglish (US)
Pages (from-to)145-152
Number of pages8
JournalJournal of Research in Personality
Issue number2
StatePublished - Apr 2011

Bibliographical note

Funding Information:
This research was supported by National Institute of Health Grants R37 DA005147 and U01 DA024417 awarded to William G. Iacono, principal investigator.


  • Externalizing
  • Family functioning
  • Minnesota Temperament Inventory
  • Personality traits
  • Psychopathy
  • Structural equation modeling


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