Final answer:
The primary interpretive metric used on the MCMI-IV is the clinical profile composed of 10 scales and a scale to assess risk factors for alcohol abuse. It is a self-report inventory that provides insights into an individual's personality characteristics and psychological functioning.
Step-by-step explanation:
The primary interpretive metric used on the MCMI-IV (Millon Clinical Multiaxial Inventory, 4th Edition) is the clinical profile composed of 10 scales. These scales measure various aspects of personality and psychopathology, including hypochondriasis, depression, hysteria, psychopathic deviance, masculinity versus femininity, paranoia, psychasthenia, schizophrenia, hypomania, and social introversion. In addition to these scales, there is also a scale to assess risk factors for alcohol abuse. The MCMI-IV is a self-report inventory that aims to provide insights into an individual's personality characteristics and psychological functioning.