![]() ![]() ![]() The validity scales are used to determine whether the test results are actually valid (i.e., if the test taker was truthful, answered cooperatively and not randomly) and to assess the test taker's response style (i.e., cooperative, defensive). There are eight validity scales and ten basic clinical or personality scales scored in the MMPI-A, and a number of supplementary scales and subscales that may be used with the test. The results of the test reflect an adolescent's personality strengths and weaknesses, and may identify certain disturbances of personality (psychopathologies) or mental deficits caused by neurological problems. The questions asked on the MMPI-A are designed to evaluate the thoughts, emotions, attitudes, and behavioral traits that comprise personality. There is also a short form of the test that is comprised of the first 350 items from the long-form MMPI-A. The adolescent inventory is shorter than the standard adult version, was developed at a sixth-grade reading level, and is geared towards adolescent issues and personality "norms." The MMPI-A has 478 true/false items, or questions, (compared to 567 items on the MMPI-2) and takes 45 minutes to an hour to complete (compared to 60 to 90 minutes for the MMPI-2). The MMPI-A, a version of the inventory developed specifically for adolescents age 14 to 18, was published in 1992. The current standardized version for adults 18 and over, the MMPI-2, was released in 1989, with a subsequent revision of certain test elements in early 2001. Description The original MMPI was developed at the University of Minnesota and introduced in 1942. ![]() It is also frequently administered as part of a neuropsychological test battery to evaluate cognitive functioning. Purpose The MMPI is used to screen for personality and psychosocial disorders in adults (i.e., over age 18) and adolescents age 14 to 18. Minnesota Multiphasic Personality Inventory MMPI Definition The Minnesota Multiphasic Personality Inventory (MMPI-2 MMPI-A) is a written psychological assessment, or test, used to diagnose mental disorders. ![]()
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