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Direct linkPoythress, Norman G.; Lilienfeld, Scott O.; Skeem, Jennifer L.; Douglas, Kevin S.; Edens, John F.; Epstein, Monica; Patrick, Christopher J. – Assessment, 2010
Two self-report measures of psychopathy, Levenson's Primary and Secondary Psychopathy scales (LPSP) and the Psychopathic Personality Inventory (PPI), were administered to a large sample of 1,603 offenders. The most widely researched measure of criminal psychopathy, the Hare Psychopathy Checklist-Revised (PCL-R), served as a provisional referent…
Descriptors: Check Lists, Construct Validity, Personality Measures, Psychopathology
Edens, John F.; McDermott, Barbara E. – Psychological Assessment, 2010
Although the construct of psychopathy is frequently construed as a unitary syndrome, the Psychopathic Personality Inventory (PPI; Lilienfeld & Andrews, 1996) and its revision, the PPI-R (Lilienfeld & Widows, 2005), are composed of 2 scales, termed Fearless Dominance (FD) and Self-Centered Impulsivity (SCI), which appear to reflect orthogonal…
Descriptors: Conceptual Tempo, Antisocial Behavior, Construct Validity, Drug Abuse
Patrick, Christopher J.; Edens, John F.; Poythress, Norman G.; Lilienfeld, Scott O.; Benning, Stephen D. – Psychological Assessment, 2006
Much of the research on psychopathy has treated it as a unitary construct operationalized by total scores on one (or more) measures. More recent studies on the Psychopathic Personality Inventory (PPI) suggest the existence of two distinct facets of psychopathy with unique external correlates. Here, the authors report reanalyses of two offender…
Descriptors: Construct Validity, Personality Measures, Criminals, Psychopathology
