what is ppi in psychological assessment
The Psychopathic Personality Inventory 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 populations, though it is still used in clinical populations as well. In contrast to other psychopathy measures, such as the Hare Psychopathy Checklist, the PPI is a self-report, rather than interview-based, assessment. It is intended to comprehensively index psychopathic personality trait