The Psychopathy Checklist Revised

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Running head: THE PSYCHOPATHY CHECKLIST-REVISED The Psychopathy Checklist-Revised Cindi Osowski Walden University Abstract Scientists and clinicians understanding of psychopathy remains questionable due to the fact that antisocial personality disorder has very similar criteria as those first postulated by Cleckley in 1941. Since psychopathy, however, has not been identified by the DSM-IV as a psychiatric disorder, its assessment requires a separate tool. The Psychopathy Checklist-Revised (PCL-R) was originally designed by Dr. Robert Hare in 1980 and again in 1991. The test contains 20 items used to rate symptoms that are considered psychopathic in forensic populations like prisons. With much of the past research focusing on those with criminal records, new research has come to examine and include psychopathic personality traits of persons in non forensic settings. Specifically for this purpose, a shorter version of the PCL-R is being used called The Psychopathy Checklist Screening Version (PCL: SV). The Psychopathy Checklist-Revised Introduction Cleckley (1941) saw psychopathic features as being based in personality traits more than in behavioral characteristics hence his definition of a successful psychopath, one who does not necessarily engage in the behavioral aspect of psychopathy. Hare, on the other hand, focused his assessment measures on the criminal behavior characteristics of psychopathy impulsiveness and aggression (Akobeng, 2007). Building on research done by Cleckley, Hare (1991) advanced the study and diagnosis of psychopathy by creating a new
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