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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.
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 ...
For example, after, a questionnaire assessing personality was distributed to 96 psychopathic male prisoners, the researchers conducting the study concluded the best-fitting model for the differences in personality was two separate groups. One group was labelled "emotionally stable psychopaths" and the other was labelled "aggressive psychopaths".
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This is an accepted version of this page This is the latest accepted revision, reviewed on 13 February 2025. Mental health disorder Not to be confused with Psychosis, Psychopathology, Psychic, or Sycophancy. "Psychopaths" and "Psychopath" redirect here. For other uses, see Psychopath (disambiguation). "Sociopathy" and "Sociopath" redirect here. For another usage of these terms, see antisocial ...
Illustration of the triad. The dark triad is a psychological theory of personality, first published by Delroy L. Paulhus and Kevin M. Williams in 2002, [1] that describes three notably offensive, but non-pathological personality types: Machiavellianism, sub-clinical narcissism, and sub-clinical psychopathy.
Histrionic personality disorder; Dramatic behavior is a key marker of histrionic personality disorder: Specialty: Clinical Psychology, Psychiatry: Symptoms: Persistent attention seeking, dramatic behavior, rapidly shifting and shallow emotions, sexually provocative behavior, undetailed style of speech, and a tendency to consider relationships more intimate than they actually are.
The Macdonald triad (also known as the triad of sociopathy or the homicidal triad) is a set of three factors, the presence of any two of which are considered to be predictive of, or associated with, violent tendencies, particularly with relation to serial offenses.