Generality of Psychopathy Checklist-Revised factors over prisoners and substance-dependent patients |
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Authors: | McDermott P A Alterman A I Cacciola J S Rutherford M J Newman J P Mulholland E M |
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Affiliation: | Graduate School of Education, University of Pennsylvania, Philadelphia 19104, USA. |
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Abstract: | The Psychopathy Checklist-Revised (PCL-R; R. D. Hare, 1991) is an often-used device for assessment of adult antisociality. This research examined generalizability by replicating the 2-factor model for a sample of 326 male prisoners and assessing its congruence and relative reliability and specificity among 620 substance-dependent patients. Generality was assessed also across addiction subtypes (opioid, cocaine, and alcohol), age, gender, and ethnicity. The 2-factor model was found inappropriate for the substance-dependent samples, whereas a unidimensional model represented by the PCL-R total score was found generalizable across prison and substance-dependent samples. |
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