The most widely used measure of psychopathy is the _____.

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The most widely used measure of psychopathy is the Psychopathy Checklist-Revised (PCL-R), a clinical rating scale developed by Robert Hare that assesses both personality traits and behaviors associated with psychopathy. The APA (American Psychological Association) and DSM-IV (Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition) provide diagnostic criteria for mental disorders, but do not specifically address psychopathy. The LSI-R (Level of Service Inventory-Revised) is a standardized risk assessment tool used in criminal justice settings to assess offender risk and needs, but is not specifically focused on psychopathy.

The Most Widely Used Measure of Psychopathy Is the _____