Psychopathic Traits and Impulsivity Subtypes: An Examination of Two Complex, Multifaceted Constructs
Abstract
Research has demonstrated inconsistent results regarding the relationship between impulsivity and the interpersonal and affective facets of psychopathy. Therefore, the purpose of this work was to clarify and reconcile the variable empirical findings. Generally speaking, the relationship between psychopathic traits and impulsivity was expected to differ based on the psychopathy factor and type of impulsivity under investigation. Studies 1 and 2 examined psychopathy and impulsivity in on-line and student samples, utilizing the Self-Report Psychopathy Scale and several self-report measures of impulsivity. Study 2 included laboratory-assessed behavioural impulsivity measures. Results indicated that across studies erratic lifestyle was uniquely, positively associated with all self-reported impulsivity measures, but surprisingly unrelated to laboratory-assessed behavioural impulsivity. Interpersonal manipulation was uniquely, negatively associated with lack of premeditation and non-planning, and callous affect was uniquely, negatively associated with urgency across studies. Studies 3 and 4 examined the psychopathy-impulsivity relationship in youth and on-line samples. Psychopathy was examined using the Antisocial Process Screening Device (youth) and the Self-Report Psychopathy Scale (adults). Impulsivity was approximated via preselected facets of the HEXACO-PI-R and the UPPS Impulsive behavior scale (Study 4 only). Results indicated that the impulsivity (youth) and erratic…
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