Item Response Theory in Personality Assessment: A Demonstration using the MMPI-2 Depression Scale
- 1 March 2000
- journal article
- research article
- Published by SAGE Publications in Assessment
- Vol. 7 (1), 37-54
- https://doi.org/10.1177/107319110000700103
Abstract
Item response theory (IRT) analyses have, over the past 3 decades, added much to our understanding of the relationships among and characteristics of test items, as revealed in examinees' response patterns. Assessment instruments used outside the educational context have only infrequently been analyzed using IRT, however. This study demonstrates the relevance of IRT to personality data through analyses of Scale 2 (the Depression Scale) on the revised Minnesota Multiphasic Personality Inventory (MMPI-2). A rich set of hypotheses regarding the items on this scale, including contrasts among the Harris-Lingoes and Wiener-Harmon subscales and differences in the items' measurement characteristics for men and women, are investigated through the IRT analyses.Keywords
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