Final answer:
The Minnesota Multiphasic Personality Inventory (MMPI) is an assessment used at the beginning of Interpersonal Psychotherapy to establish a clinical profile of an individual's personality traits and psychopathology.
Step-by-step explanation:
An assessment that would be used at the beginning of Interpersonal Psychotherapy (IPT) is the Minnesota Multiphasic Personality Inventory (MMPI). This assessment employs a series of true/false questions designed to establish a clinical profile of an individual’s psychic functioning and to detect patterns of personality structure and psychopathology. The important outcome defined by this test is the comprehensive understanding of an individual's personality traits and disorders which can then be used to inform the therapeutic process in IPT.