Psychopathy, or psychopathic personality, is a personality construct characterized by impaired empathy and remorse, in combination with traits of boldness...

The Psychopathy Checklist or Hare Psychopathy Checklist-Revised, now the Psychopathy Checklist—revised (PCL-R), is a psychological assessment tool that...

psychopathy or sociopathy; however, some researchers have drawn distinctions between the concepts of antisocial personality disorder and psychopathy,...

represent a very small percentage of workplace staff, the presence of psychopathy in the workplace, especially within senior management, can do enormous...

triad traits, along with the subclinical versions of narcissism and psychopathy. In 1955, psychologist Richard Christie set out to study the thought...

personality types: Machiavellianism, sub-clinical narcissism, and sub-clinical psychopathy. Each of these personality types is called dark because each is considered...

Psychopathy, from psych (soul or mind) and pathy (suffering or disease), was coined by German psychiatrists in the 19th century and originally just meant...

psychophysiology. Hare developed the Hare Psychopathy Checklist (PCL-Revised), used to assess cases of psychopathy. He advises the FBI's Child Abduction and...

The influence of childhood trauma on the development of psychopathy in adulthood remains an active research question. According to Hervey M. Cleckley...

disorder, malignant narcissism, and psychopathy all exhibit similar symptoms, as detailed in the Hare Psychopathy Checklist. The test consists of 20 items...