Psychopathy Checklist
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In contemporary research and clinical practice, Robert D. Hare's Psychopathy Checklist-Revised (PCL-R) is the psycho-diagnostic tool most commonly used to assess psychopathy. Because an individual's score may have important consequences for his or her future, and because the potential for harm if the test is used or administered incorrectly is considerable, Hare argues that the test should only be considered valid if administered by a suitably qualified and experienced clinician under controlled and licensed conditions. Hare receives a royalty on licensed use of the test.
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The two factors
Factor 1: Personality "Aggressive narcissism"
- Glibness/superficial charm
- Grandiose sense of self-worth
- Pathological lying
- Cunning/manipulative
- Lack of remorse or guilt
- Shallow affect (genuine emotion is short-lived and egocentric)
- Callousness; lack of empathy
- Failure to accept responsibility for own actions
Factor 2: Case history "Socially deviant lifestyle".
- Need for stimulation/proneness to boredom
- Parasitic lifestyle
- Poor behavioral control
- Lack of realistic long-term goals
- Impulsivity
- Irresponsibility
- Juvenile delinquency
- Early behavior problems
- Revocation of conditional release
Traits not correlated with either factor
- Promiscuous sexual behavior
- Many short-term marital relationships
- Criminal versatility
- Acquired behavioural sociopathy/sociological conditioning (Item 21: a newly identified trait i.e. a person relying on sociological strategies and tricks to deceive)
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See also
- Psychopathy
- Robert Hare (psychologist)
- Diagnostic classification and rating scales used in psychiatry
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