Final answer:
Dr. Theodore Millon is the main author of the MCMI-III, a psychological assessment tool designed to assess personality disorders and clinical syndromes in adults.
Step-by-step explanation:
The main author behind the Millon Clinical Multiaxial Inventory-III (MCMI-III) is Dr. Theodore Millon. The MCMI-III is a psychological assessment tool that is widely used to help assess personality disorders and clinical syndromes in adults. It is considered a significant contribution to the field of psychology and is used by clinicians to better understand their clients' mental health conditions and to guide treatment planning.
Dr. Theodore Millon developed the MCMI to reflect his theory of personality and psychopathology and later created the subsequent editions, including the MCMI-III, which include updates and refinements to the original inventory. The MCMI-III consists of 175 true-false items and evaluates a wide range of psychological conditions, making it a comprehensive tool for clinicians.