What does the PCL-R measure?
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. The PCL-R is used for legal, clinical, or research purposes as a indicator of potential risk posed by subject or prisoners.
What are the four factors of the PCL-R?
Other studies have hypothesized that the construct is comprised of four factors characterized by deficits in the following areas: interpersonal, affective, behavioural, and antisocial (Parker et al. 2003).
What is PCL-R checklist?
The Hare Psychopathy Checklist – Revised (PCL-R) is a diagnostic tool that was developed in the 1990s and is used to rate a person’s psychopathic and/or antisocial tendencies (Hare, 1993).
What are the PCL-R Questions?
Do you have “excess glibness” or superficial charm?
How is PCL-R scored?
Each of the 20 items in the PCL-R is scored on a three-point scale, with a rating of 0 if it does not apply at all, 1 if there is a partial match or mixed information, and 2 if there is a reasonably good match to the offender.
How reliable is the PCL test?
The test-retest reliability of the PCL instrument has shown to be high, as evidenced in five published studies (Schroeder, Schroeder, & Hare, 1983). The generalizability coefficients were .85, .86, .90, .86, and .89 for the years 1977-1981, respectively.
What is the PCL-R used to diagnose?
The PCL-R is used to diagnose psychopathy in individuals across clinical, legal, and research contexts. It was originally designed to identify the degree of a person’s (adult forensic population) psychopathic tendencies.
Can the PCL-R be scored on the basis of an interview?
It is important to note, that the PCL-R cannot be scored on the basis of an interview alone (Hare, 1998). The PCL-R is costly to administer in terms of time and effort, as access to detailed interview and case history information, including criminal record is required.
Can the PCL be used to discriminate between groups of inmates?
Hare & McPherson (1984a) performed a discriminate analysis in which 20 of the PCL items were used to discriminate between groups of inmates classified as violent or nonviolent on the basis of their criminal records. The discriminate functions were highly significant. Correlates of the PCL: Percentage of Inmates convicted of Violent Crime