A study finds flaws in the use of scores from psychopathy tests in court, but fails to address the influence on juries of cultural portrayals of psychopathy.

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 ...

A psychological assessment test often used to evaluate psychopathy in Canadian criminal cases is unreliable and prone to unconscious bias on the part of expert witnesses, according to research from ...

Does an academic's use of legal threats to stop a critical paper from being published subvert the peer review process, which is fundamental to modern scientific research? A leading psychopathy ...

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 ...