Students attending a state-supported residential academy for academically gifted adolescents (N = 139) completed the Minnesota Multiphasic Personality Inventory for Adolescents (MMPI-A; Butcher et al., 1992) upon entrance to document their psychological characteristics. The same students completed a postadministration of the MMPI-A at the end of their 2nd year at the school. Results indicated that the gifted students were quite similar to the normative group of adolescents on the MMPI-A. While several statistically significant changes were observed over time, the effect-size calculations accounted for only a modest percentage of the variance in all cases. Scores on the 2nd administration of the MMPI-A declined among the majority of students who manifested elevated scores on the initial administration.
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Cross et al. (2004) studied this question.
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