The revised Psychopathy Checklist (PCL) is a 20-item scale scored from interview and file informa-tion. Analyses of data from 5 prison samples (N= 92 5) and 3 forensic psychiatric samples (N= 356) indicate that the revised PCL resembles its 22-item predecessor in all important respects.

Assessment of psychopathic personality traits (e.g., callousness, lacking empathy, social deviance) has largely been conducted in criminal (forensic) populations using the Psychopathy Checklist-Revised (PCL-R; Hare, ). Track4win keygen for mac. The PCL-R is a reliable and valid rating scale of psychopathy, but requires extensive resources and time to administer and is designed for use with forensic populations.

These realities limited the scale’s use to situations where comprehensive case file information and access to individuals is readily available, and it hindered research on psychopathy in non-forensic populations (e.g., civil psychiatric, community, etc.). As a result, Robert Hare and his.