Dimensions of psychopathic traits in a community sample: Implications from different measures for impulsivity and delinquency

Abstract

There are valid measures of psychopathic traits in youth, such as the Youth Psychopathic Traits Inventory (YPI). However, it is unclear how another self-report measure, which is based on a different conceptualization of psychopathy relates to the YPI in youth and to antisocial behavior. We therefore, compared the construct validity of two measures: the personality-based Psychopathic Personality Inventory-Revised (PPI-R) and the YPI – based on adult antisocial personality traits. First, both measures showed sufficient model fit and some overlap in their variance, particularly YPI impulsive irresponsible and grandiose manipulative factors with PPI-R self-centered impulsivity, as well as YPI callous-unemotional with PPI-R coldheartedness. We found that although overall delinquency was correlated with PPI-R and YPI subscales, only the Self-centered Impulsivity factor of the PPI-R and only the Impulsive/Irresponsibility domain of the YPI were statistically predictive of self-reported antisocial behavior. Thus, the PPI-R and the YPI both show moderate construct validity and criterion validity for use among young community adults.

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ORCID for Hedwig Eisenbarth: orcid.org/0000-0002-0521-2630

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