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Cover of Hare's Psychopathy Checklist-Revised (2nd ed., 2003). 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 psychopathy in individuals—most often those institutionalized in the criminal justice system—and to differentiate those ...
The PCL-R is one of the key assessments used to signal psychopathy and traits associated with it in individuals, mainly used on institutionalised individuals in the population in contrast to the LSRP. The LSRP aimed to measure similarly what the PCL-R does by using similar “descriptors” for behavioural traits.
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 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% ...
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.
Here are seven sleep trackers to try out for a better night's rest, whether you want to slide a high-tech pad under your mattress or wear a pulse-reading ring,
But the public is far hungrier to know more about Mangione, who in just five days has become the subject of worldwide furor and scores of social media postings from people who say they are fed up ...
Pathological lying is an item of the interpersonal facet of the Psychopathy Checklist-Revised (PCL-R), alongside superficial charm, grandiosity, and manipulativeness. [28] It is endorsed where an individual lies and deceives so frequently that it is a defining or central characteristic of their interactions with others.