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 ...

When it comes to measuring psychopathy, perhaps the favorite instrument used by forensic psychologists and psychiatrists is the Hare Psychopathy Checklist-Revised (PCL-R), developed by Canadian ...

In November 2009, Robert Dixon took a test to determine whether he was a psychopath. After 26 years in prison, he was due for a parole hearing. In California, before a "lifer" like Dixon appears ...

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 ...

This is a guest post by Prajwal Ciryam, co-founder of Partisans.org. A former Fulbright Scholar to the UK, he is a medical student at Northwestern University and concurrently a PhD candidate at the ...

Psychopaths share similarities in brain structure that differ to the rest of the population, a new study reveals, a discovery which could be crucial in developing our understanding of this personality ...

In November of 2009, Robert Dixon took a test to determine whether he was a psychopath. After 26 years in prison, he was due for a parole hearing. In California, before a “lifer” like Dixon appears ...