Which standardized assessment tool is primarily utilized for measuring personality traits?

The Minnesota Multiphasic Personality Inventory (MMPI) is a robust standardized assessment tool designed specifically to measure a wide range of personality traits and psychopathological conditions. It includes items that assess various psychological domains, such as mood, behavior, and thought patterns, making it particularly effective for understanding personality structure and diagnosing mental health disorders.

The MMPI's comprehensive nature allows psychologists to interpret personality profiles and potentially identify areas of concern in an individual's psychological functioning. It has been extensively validated and is widely used in clinical, forensic, and research settings, solidifying its status as a leading tool in personality assessment.

Other options, while important in their respective areas of focus, do not specifically target personality traits in the same way the MMPI does. The WAIS, for example, is an intelligence test aimed at assessing cognitive abilities; the Beck Depression Inventory is designed to evaluate symptoms of depression specifically; and the Child Behavior Checklist focuses on behavioral and emotional problems in children.