After its publication in 1991, the Psychopathy Checklist-Revised (PCL-R) became established as the “gold standard” for determining the extent to which an individual possesses psychopathic ...
As of 2021, approximately 1.2% of the general adult population is estimated to suffer from some form of psychopathy, based on data using the Hare Psychopathy Checklist-Revised (PCL-R). Statistically ...
Dr. Robert Hare, a Canadian criminal psychologist has studied psychopaths for over fifty years. His research has resulted in the Psychopathy Check List - Revised (PCL-R) widely used to identify the ...
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