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 ...

For anyone seeking to question the validity and integrity of a psychology-based diagnosis of offending behaviour it helps to have grounding in a discipline disputed as being either an art or science.

The above statement has far more than a grain of truth in it. Virtually from the introduction of psycho-babes into the prison system, Inside Time has been carrying complaints about their ‘activities’.

The PCL-5 has been widely used since its original English version was released in 2013 by Weathers et al. (2013a), with several adaptations following in other languages for both research and clinical ...