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Evaluation Of The Hare-Pscan In A Non-Clinical Population, Cristal Elwood, Norman Poythress, Kevin Douglas
Evaluation Of The Hare-Pscan In A Non-Clinical Population, Cristal Elwood, Norman Poythress, Kevin Douglas
Norman Poythress
Using 100 university undergraduates as participants, this study examined the structural reliability and construct validity of Hare and Hervé's P-SCAN (Hare & Hervé, 1999) a 90-item measure that purports to serve as an “… early warning system” or “rough screening device” (p. 1) for identifying individuals with substantial psychopathic features. Internal consistency indices (e.g. Cronbach's α, mean inter-item correlations) for the three P-SCAN subscales (Interpersonal, Affective, Lifestyle) suggested excellent reliability. Statistically significant, though modest correlations (range 0.21–0.33) were obtained in 5 of 6 comparisons with the self-report Primary psychopathy and Secondary psychopathy scales developed by Levenson, Kiehl, and Fitzpatrick (1995) …