The best-established measure of psychopathy, the Psychopathy Checklist-Revised (PCL-R), developed by University of British Columbia psychologist Robert D.
Hare, requires a standardized interview with subjects and an examination of their file records, such as their criminal and educational histories.
Analyses of the PCL-R reveal that it comprises at least three overlapping, but separable, constellations of traits: interpersonal deficits (such as grandiosity, arrogance and deceitfulness), affective deficits (lack of guilt and empathy, for instance), and impulsive and criminal behaviors (including sexual promiscuity and stealing).
on personality disorder.
According to a recent study, bosses are four times more likely
to be psychopaths than the general population.