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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
A Psychometric Investigation of the Marlowe-Crowne Social Desirability Scale Using Rasch Measurement
Seol, Hyunsoo – Measurement and Evaluation in Counseling and Development, 2007
The author used Rasch measurement to examine the reliability and validity of 382 Korean university students' scores on the Marlowe-Crowne Social Desirability Scale (MCSDS; D. P. Crowne and D. Marlowe, 1960). Results revealed that item-fit statistics and principal component analysis with standardized residuals provide evidence of MCSDS'…
Descriptors: Social Desirability, Validity, Measures (Individuals), Factor Analysis
