Older versions of the test focused on clinical scales, each representing a clinical condition. The update revised outdated or offensive content and updated scales without making decades of research obsolete. In 1989, an updated version of the test, called the Minnesota Multiphasic Personality Inventory-2 (MMPI-2), was released. By 1976, the test had been translated into 50 languages for global use. The test they created was first published in 1942 and gained widespread acceptance by the late 1950s. They created it for use at the university’s Department of Psychiatry, as previous self-report-style tests were not objective enough to achieve validity. These scales are used to determine ones suitability for high paying occupations.The history of the MMPI testĪs explained on the University of Minnesota’s website, the MMPI test was devised in 1937 by clinical psychologist Starke R. Once validity of the answers is established, a profile is created employing 10 Clinical Scales. Using 567 true or false questions, rates the tester on 130 categories (validity scales included). court cases of many kinds and why it is also used for employment hiring and promoting, from emergency services to police to military personnel, and in the private sector too. The fact that it is so successful at detecting malingering, among other types of faking, is why this test is used in U.S. The result was a test so long and so exhausting that virtually nobody is able to keep their answers coherent if an attempt at dishonesty was made. Over this time it has been refined and validated with hundreds of thousands of people taking the test and many scientific studies that led to the inclusion of subscales and the supplementary scales. The MMPI-2 was published in 1989, and is still in use today. Published in 1940, the MMPI was the first comprehensive test that was data-driven, that largely did away with theory, and it was first calibrated by asking inpatient and outpatient individuals of psychiatric hospitals with well-known conditions to answer the test as they would if honest. It is the only personality test the results of which are recognized and used by that country’s courts of law. The Minnesota Multiphasic Personality Inventory (MMPI-2) is the most used personality test in clinical settings in the United States.
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