Age, intelligence, and MMPI F scores.

Abstract
This study was designed to determine the effects of age, intelligence, and other variables on the F scale, which is critical for Minnesota Multiphasic Personality Inventory (MMPI) interpretation and research. Data consisted of MMPIs and Wechslers obtained from 407 white hospitalized psychiatric patients over a 7-year period. No significant sex differences on MMPI F scores were found. The major result was that F scores decrease with increasing age for low- and high-IQ subjects, but remain relatively constant for average-IQ subjects. Neither diagnosis nor educational level was found to affect F scores. The use of unrestricted distributions of age, intelligence, and F scores may account for the fact that these findings are not consistent with those reported by previous investigators. (21 ref.) (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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