the Psychopathy Checklist-Revised (PCL-R), which is now the primary diagnostic instrument for psychopathy. The PCL-R interpreted the disorder as a distinct configuration of scores on 20 traits and ...

Many clinicians use the Revised Psychopathy Checklist (PCL-R), which scores you on 20 factors outlined in the table below. People with psychopathy (PwP) tend to score higher on the interpersonal ...

Hare’s PCL-R) from the Darkstone Group, the only organization authorized to issue this certification in the world.