It is a 20-item inventory of perceived personality traits and recorded behaviors, intended to be completed on the basis of a semi-structured interview along with a review of 'collateral information' such as official records. The Psychopathy Checklist or Hare Psychopathy Checklist-Revised, now the Psychopathy Checklist-revised ( PCL-R), is a psychological assessment tool that is commonly used to assess the presence and extent of the personality trait psychopathy in individuals-most often those institutionalized in the criminal justice system-and to differentiate those high in this trait from those with antisocial personality disorder, a related diagnosable disorder. This article is about the psychological assessment.
