The Factor Structure and Construct Validity of the Short Version of the Youth Psychopathic Traits Inventory in Two Independent Samples of Nonreferred Adolescents

Andrea Fossati, Antonella Somma, Serena Borroni, Fernanda Frera, Cesare Maffei, Henrik Andershed

Research output: Contribution to journalArticle

Abstract

To assess the internal consistency, factor structure, and construct validity of the Italian translation of the Youth Psychopathic Traits Inventory–Short Version (YPI-S), both the YPI-S and its full version, the YPI, as well as self-reports of delinquency, aggression, and Big Five domains, were administered to two independent samples (N = 868 and N = 881) of Italian community, nonreferred adolescents. The internal consistency of the YPI-S was adequate, and confirmatory factor analyses showed a good fit of the theoretical three-factor model of the YPI-S in both samples. Hierarchical regression models suggested the same pattern of associations with self-report measures of delinquency and aggression for the YPI-S and YPI, although the YPI was a better predictor of Big Five domains than the YPI-S. The findings support the internal consistency, factor validity, and construct validity of the YPI-S.

Original languageEnglish
Pages (from-to)683-697
Number of pages15
JournalAssessment
Volume23
Issue number6
DOIs
Publication statusPublished - Dec 1 2016

Keywords

  • adolescence
  • factor structure
  • psychopathy
  • validity

ASJC Scopus subject areas

  • Clinical Psychology
  • Applied Psychology

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