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The PCL-R is used for indicating a dimensional score, or a categorical diagnosis, of psychopathy for clinical, legal, or research purposes. [6] It is rated by a mental health professional (such as a psychologist or other professional trained in the field of mental health, psychology, or psychiatry), using 20 items.
The Psychopathic Personality Inventory (PPI-Revised) is a personality test for traits associated with psychopathy in adults. The PPI was developed by Scott Lilienfeld and Brian Andrews to assess these traits in non-criminal (e.g. university students) populations, though it is still used in clinical (e.g. incarcerated) populations as well.
A study by Chad Brinkley in 2001 tested the concurrent and construct validity of the LSRP with the PCL-R with a sample of prison inmates. [10] Small to moderate correlations were found between the LSRP and PCL-R, as well as associations between primary and secondary psychopathy ("factor 1" and "factor 2" in the PCL-R).
A study on the relationship between psychopathy scores and types of aggression in a sample of sexual murderers, in which 84.2% of the sample had PCL-R scores above 20 and 47.4% above 30, found that 82.4% of those with scores above 30 had engaged in sadistic violence (defined as enjoyment indicated by self-report or evidence) compared to 52.6% ...
The following diagnostic systems and rating scales are used in psychiatry and clinical psychology. This list is by no means exhaustive or complete. This list is by no means exhaustive or complete. For instance, in the category of depression, there are over two dozen depression rating scales that have been developed in the past eighty years.
Robert D. Hare CM (born 1 January 1934) is a Canadian forensic psychologist, known for his research in the field of criminal psychology.He is a professor emeritus of the University of British Columbia where he specializes in psychopathology and psychophysiology.
Pages for logged out editors learn more. Contributions; Talk; Psychopathy Checklist-Revised (PCL-R)
Dimensional models are intended to reflect what constitutes personality disorder symptomology according to a spectrum, rather than in a dichotomous way.As a result of this they have been used in three key ways; firstly to try to generate more accurate clinical diagnoses, secondly to develop more effective treatments and thirdly to determine the underlying etiology of disorders.