Final answer:
The Minnesota Multiphasic Personality Inventory (MMPI) utilizes true/false questions to assess adult personality and psychopathology, aiding in the diagnosis of mental health issues.
Step-by-step explanation:
The personality assessment that employs a series of true/false questions is the Minnesota Multiphasic Personality Inventory (MMPI).
This test is one of the most widely used and researched standardized psychometric tests of adult personality and psychopathology. Practitioners use the MMPI to assess mental health problems and to aid in the diagnosis of mental disorders. The MMPI includes a large number of statements to which the test taker must respond 'true' or 'false,' which are then scored to produce a clinical profile.