Psychopathy is often described as a constellation of personality characteristics encompassing features such as impulsivity and antisociality, and a lack of empathy and guilt. Although the use of self-reports to assess psychopathy is still debated, there are distinct advantages to such measures and recent research suggests that they may not be as problematic as previously thought. This study further examined the reliability and validity of the Triarchic Psychopathy Measure (TriPM) in a community sample (N = 496) and forensic psychiatric patient sample (N = 217). Results indicated excellent internal consistencies. Additionally, the TriPM total and subscale scores related as expected to different subscales of the Psychopathic Personality Inventory –Revised (PPI-R) and to the Reactive and Proactive Aggression Questionnaire, reflecting good construct validity. Most importantly, ROC curve analyses showed that the TriPM evidenced better discrimination between the community sample and forensic psychiatric patients than the PPI-R. The current study extends the existent evidence demonstrating that the TriPM can be used as an efficient self-report instrument.

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Keywords Discriminant validity, Forensic patients, Pychopathy, ROC curve, Triarchic Psychopathy Measure
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Journal Journal of Psychopathology and Behavioral Assessment
van Dongen, J.D.M, Drislane, L.E. (Laura E.), Nijman, H, Soe-Agnie, S.E. (Sabrina E.), & van Marle, H.J.C. (2016). Further Evidence for Reliability and Validity of the Triarchic Psychopathy Measure in a Forensic Sample and a Community Sample. Journal of Psychopathology and Behavioral Assessment, 1–9. doi:10.1007/s10862-016-9567-5