The retest reliability of the Group Rorschach and some relationships to the MMPI.

Abstract
The Group Rorschach (Harrower-Erickson) and the abbreviated group form of the MMPI were given to 126 third-year college students. Both tests were given again after 3 months. Conclusions: (1) "The distribution of the sum of signs of the Group Rorschach is approximately normal and the self-correlation of the test suggests that responses have considerable stability." (2) "The distribution of scores on the MMPI shows considerable lack of variability in some cases . . ." (3) " . . . the two tests probably hold some variance in common, but this commonality is not large . . . they have different functions as far as college populations are concerned." (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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