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The 2-Year Test-Retest Reliability of the Psychopathy Checklist-Revised in Methadone PatientsAlcohol and Drug Abuse Institute, University of Washington, University of Pennsylvania School of Medicine
University of Pennsylvania School of Medicine The 2-year test-retest reliability of the Psychopathy Checklist-Revised (PCL-R) was examined in 200 men and 25 women methadone patients. Stability of the PCL-R was generally good whether it was evaluated as a dichotomous or dimensional measure. Utilizing a diagnostic cutoff score of 25 or more the intraclass correlation coefficients (ICCs) were .48 for men and .67 for women. For the Total PCL-R score ICCs were .60 and .65 for men and women, respectively. Factor 1 was more reliably measured in women compared to men (.63 vs. .43). For men, Factor 1 was significantly less reliable than Factor 2 or the Total score. For women, Factor 2 was significantly less reliable than the Total PCL-R score or Factor 1.
Key Words: PCL-R reliability methadone male female
Assessment, Vol. 6, No. 3,
285-291 (1999) This article has been cited by other articles:
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