Behavioral Sciences & the Law

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Volume 17 Issue 4 (October/December 1999), Pages 407-551

Identifying inmates at risk for disciplinary infractions: a comparison of two measures of psychopathy (pages 435-443)


An Erratum for this article has been published in Behavioral Sciences & the Law 18(2‐3) 2000, p409. Poythress, Edens, and Lilienfeld (1998) recently reported a moderately strong correlation between Hare's (1991) Psychopathy Checklist–Revised (PCL‐R) and a newly developed self‐report measure of psychopathy, the Psychopathic Personality Inventory (PPI) of Lilienfeld and Andrews (1996), in an ethnically diverse sample of 50 inmates from a youthful offender prison. The present study reports follow‐up data regarding disciplinary infractions in this sample and examines the utility of the PCL‐R and PPI for identifying those at risk for institutional misbehavior. Generally modest, but statistically significant, correlations were obtained between both measures and indices of aggressive institutional behavior. Multiple regression analyses revealed that both measures accounted for common variance in the criterion but that neither accounted for significant unique variance. Results are discussed in terms of the clinical utility of these measures in populations of young offenders. Copyright © 1999 John Wiley & Sons, Ltd.

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