is psychopathy a personality disorder
He believes that psychopathy is more of a category than a dimension. This means that someone either is or is not a psychopath. Notably, other researchers disagree and believe that psychopathic traits fall on a continuum. How common is psychopathy? Hare estimates that about 50 - 75% of the prison population meet criteria for antisocial personality disorder but only 15-25% exceed the cut-off point for psychopathy. Hare also estimates that psychopaths make up about 1% of the general population.