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Witmer, Sara E.; Roschmann, Sarina – Measurement and Evaluation in Counseling and Development, 2020
It is critical to examine whether test accommodations function as intended in removing construct-irrelevant variance. The measurement comparability of a math test for students with emotional impairments and those without disabilities was examined. Results indicated the presence of limited differential item functioning (DIF) regardless of…
Descriptors: Testing Accommodations, Mathematics Tests, Emotional Disturbances, Students with Disabilities