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Direct linkReid, Christine A.; Kolakowsky-Hayner, Stephanie A.; Lewis, Allen N.; Armstrong, Amy J. – Rehabilitation Counseling Bulletin, 2007
Item response theory (IRT) methodology is introduced as a tool for improving assessment instruments used with people who have disabilities. Need for this approach in rehabilitation is emphasized; differences between IRT and classical test theory are clarified. Concepts essential to understanding IRT are defined, necessary data assumptions are…
Descriptors: Psychometrics, Methods, Item Response Theory, Aptitude Tests
Peer reviewedSackett, Paul R.; Wilk, Steffanie L. – American Psychologist, 1994
Reviews the literature on subgroup norming in testing and examines several types of score-adjustment methods. The authors discuss social and policy perspectives as well as the scientific and theoretical underpinnings of score adjustment. (GLR)
Descriptors: Civil Rights Legislation, Employment Practices, Equal Opportunities (Jobs), Literature Reviews
