Reliability and Validation of Minnesota Multiphasic Personality Inventory-3 Adult form (MMPI-3)
Subject Areas : Psychology
1 - Ph.D. Assessment and Measurement, Department of Psychology, Faculty of Islamic Education, Isf.C., Islamic Azad University, Isfahan, Iran.
Keywords: Reliability, Minnesota multiphasic personality inventory-3 (MMPI-3), Iranian adult, Validation.,
Abstract :
This research was conducted in order to determine the reliability and standardization of the latest version of the Minnesota Multiphasic Personality Inventory-3 (MMPI-3) Among the Iranian adult community. The research is survey. The statistical Society was all people over 18 years in Isfahan province in 2023 who were literate. The sample size was 1987 subject who were selected by non-random method available. The tools used was the MMPI-3. SPSS software version 27 was used to calculate descriptive and inferential statistics and standard scores. The results showed that the reliability of validity scales is at a good level. The lowest reliability coefficient was TRIN (0.53) and the highest reliability was F (0.89). The reliability of the clinical scales was also at a good level. The lowest reliability was NUC (0.35) and the highest reliability was EID (0.88). Among the clinical scales, in 17 scales the mean scores of men are higher than women, in 12 scales the mean scores of women are higher than men, and in 13 other scales, no significant difference between women and men was observed. In the end, the mean scores of Iranians were somewhat lower than the original norm, but they were consistent. The reliability of the Persian standardized version of MMPI-3 is at a good level and can be used as an updated and reliable tool. Also, the reliability coefficients and the norm of the Iranian adult community are consistent with the original norm, and MMPI-3 can be used for measurement in psychiatric and medical centers.
This research was conducted in order to determine the reliability and standardization of the latest version of the Minnesota Multiphasic Personality Inventory-3 (MMPI-3) Among the Iranian adult community. The research is survey. The statistical Society was all people over 18 years in Isfahan province in 2023 who were literate. The sample size was 1987 subject who were selected by non-random method available. The tools used was the MMPI-3. SPSS software version 27 was used to calculate descriptive and inferential statistics and standard scores. The results showed that the reliability of validity scales is at a good level. The lowest reliability coefficient was TRIN (0.53) and the highest reliability was F (0.89). The reliability of the clinical scales was also at a good level. The lowest reliability was NUC (0.35) and the highest reliability was EID (0.88). Among the clinical scales, in 17 scales the mean scores of men are higher than women, in 12 scales the mean scores of women are higher than men, and in 13 other scales, no significant difference between women and men was observed. In the end, the mean scores of Iranians were somewhat lower than the original norm, but they were consistent. The reliability of the Persian standardized version of MMPI-3 is at a good level and can be used as an updated and reliable tool. Also, the reliability coefficients and the norm of the Iranian adult community are consistent with the original norm, and MMPI-3 can be used for measurement in psychiatric and medical centers.
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