Journal
PSYCHOLOGICAL ASSESSMENT
Volume 16, Issue 1, Pages 90-95Publisher
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/1040-3590.16.1.90
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One hundred forty-nine inpatients within a maximum security psychiatric facility were assessed with the Psychopathy Checklist: Screening Version (PCL:SV: S. D. Hart, D. N. Cox, & R. D. Hare, 1995). Within the total sample, 68% had a psychotic disorder and 30% met criteria for psychopathy. Using confirmatory factor analysis, the authors tested the 2-factor PCL:SV model of psychopathy and recent 3- and 4-factor models. Results indicated good fit for each model, with the 4-factor model showing best overall fit. Structural equation modeling was used to determine which psychopathy factors predicted 6-month follow-up of inpatient aggression. The 2-, 3-, and 4-factor models, respectively. accounted for 16%. 27%, and 31% of the variance in aggression.
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