The second edition of the Hare Psychopathy Checklist-Revised (PCL–R: 2nd Edition) supplants its predecessor as the mandatory tool for assessing psychopathy. Using it, you will find forensic assessments of psychopathy to be systematic and based on ironclad data and research. Hare Psychopathy Checklist- Revised (PCL- R) - Statistics Solutions. Developed to assess symptoms of psychopathy, the Hare Psychopathy Checklist- Revised (PCL- R) is a diagnostic tool which allows people to rate their psychopathic or antisocial habits.

Cover The Psychopathy Checklist or Hare Psychopathy Checklist-Revised, now the Psychopathy Checklist—revised ( PCL-R), is a tool most commonly used to assess the presence of in individuals. It is a 20-item inventory of perceived and recorded behaviors, intended to be completed on the basis of a along with a review of 'collateral information' such as official records. The PCL was originally developed in the 1970s by Canadian psychologist for use in, based partly on Hare's work with male offenders and forensic inmates in Vancouver, and partly on an influential clinical profile by American psychiatrist first published in 1941.

An individual's score may have important consequences for their future, and because the potential for harm if the test is used or administered incorrectly is considerable, Hare argues that the test should be considered valid only if administered by a suitably qualified and experienced clinician under scientifically controlled and licensed, standardized conditions. Hare receives on licensed use of the test. In terms, the current version of the checklist has two factors (sets of related scores) that correlate about 0.5 with each other, with Factor One closer to Cleckley's original personality concept than Factor Two. Hare's checklist does not incorporate the 'positive adjustment features' that Cleckley did. Contents • • • • • • • • • • • PCL-R model of psychopathy [ ] The PCL-R is used for indicating a dimensional score, or a categorical diagnosis, of psychopathy for clinical, legal or research purposes. It is rated by a (such as a psychologist or other professional trained in the field of mental health, psychology, or psychiatry), using 20 items. Each of the items in the PCL-R is scored on a three-point scale according to specific criteria through file information and a.

The scores are used to predict risk for criminal re-offense and probability of rehabilitation. The current edition of the PCL-R officially lists three factors (1.a, 1.b, and 2.a), which summarize the 20 assessed areas via. The previous edition of the PCL-R listed two factors. Factor 1 is labelled 'selfish, callous and remorseless use of others'. Factor 2 is labelled as 'chronically unstable, antisocial and socially deviant lifestyle'. There is a high risk of recidivism and mostly small likelihood of rehabilitation for those who are labelled as having 'psychopathy' on the basis of the PCL-R ratings in the manual for the test, although treatment research is ongoing. PCL-R Factors 1a and 1b are correlated with.