British adults completed the NEO-PI-R, which measures the Big Five Personality factors at the Domain and the Facet level, as well as the Hogan Development Survey (HDS); measure of Anti-Social Personality Disorder called Mischievous. Previous work in this field has used clinical measures of psychopathy and either student or patient samples. Adrian Furnham, University College London, discusses his findings.
Image courtesy of interviewee
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