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Development and initial validation of the HEXACO-Triarchic scales.

Jared R Ruchensky1, M Brent Donnellan2, John F Edens1

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This study developed new scales to measure psychopathic traits, finding strong correlations with existing measures. These HEXACO-Triarchic scales offer improved discrimination between boldness, meanness, and disinhibition dimensions.

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Area of Science:

  • Psychology
  • Personality Science
  • Psychopathology

Background:

  • The Triarchic Model identifies psychopathic traits via boldness, meanness, and disinhibition.
  • Recent research shows overlap between Triarchic constructs and the six-factor HEXACO model of personality.
  • Existing measures may not fully differentiate these overlapping traits.

Purpose of the Study:

  • To develop and validate Triarchic proxy scales using the HEXACO-100 item pool.
  • To assess the psychometric properties and criterion validity of these new scales.
  • To evaluate the discriminative capacity of the HEXACO-Triarchic scales.

Main Methods:

  • Development of Triarchic proxy scales from the HEXACO-100 item pool.
  • Validation using two undergraduate samples (N=545, 398) and an MTurk community sample (N=391).
  • Correlational analyses with existing Triarchic measures and criterion variables.

Main Results:

  • The HEXACO-Triarchic scales demonstrated strong correlations with established Triarchic measures.
  • Scales showed theoretically predicted relationships with relevant criterion variables.
  • The HEXACO-Triarchic scales exhibited superior discrimination among the three Triarchic dimensions compared to alternatives.

Conclusions:

  • The developed HEXACO-Triarchic scales are valid and reliable measures of psychopathic personality traits.
  • These scales offer enhanced differentiation of boldness, meanness, and disinhibition.
  • The findings support the integration of HEXACO and Triarchic frameworks in personality research.