Final answer:
The Minnesota Multiphasic Personality Inventory (MMPI) is the test that uses true/false questions to assess personality and psychopathology.
Step-by-step explanation:
The main answer to the question about which personality assessment employs a series of true/false questions is a. Minnesota Multiphasic Personality Inventory (MMPI). The MMPI is a standardized psychometric test of adult personality and psychopathology. It utilizes hundreds of true/false questions that assess various psychological conditions and personality attributes. These questions are designed to measure an individual's test-taking attitude and divulge aspects of their mental health status. A well-known feature of the MMPI is its use of validity scales that can indicate if the respondent is trying to portray themselves in a very favorable manner or is not taking the test seriously.In conclusion, for understanding personality attributes and assessing mental health issues, the MMPI is a commonly used instrument that strictly relies on a true/false answer format. It has been widely used across various types of psychological evaluations, such as clinical settings, legal cases, and employment screenings.