Title: Managed care and the psychometric validity of the MMPI and MCMI personality disorder scales
Abstract: In an effort to streamline the psychological testing process and reduce unnecessary testing, many managed care companies are precertifying psychological evaluations. Hence, it 'is incumbent upon psychologists to demonstrate the medical necessity of testing in a particular case. Oftentimes, however, reviewers will reimburse providers for either the Minnesota Multiphasic Personality Inventory (MMPI) or Millon Clinical Multiaxial Inventory (MCMI), but not both. The rationale for this cost cutting measure is that both instruments are basically equivalent and hence redundant. The present study evaluated the MMPI and MCMI personality disorder scales for convergent and discriminative validity through the use of correlational data. Hotellinn's t-tests and codetype correspondence. The correlational data demonstrated a lack of c&vergen& and discrimination between wrsonality disorder classifications. Codetype correspondence between the two instruments was quite low, -fie most frequent MMPI personality disorder class...
Publication Year: 2008
Publication Date: 2008-10-26
Language: en
Type: article
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Cited By Count: 12
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