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Direct linkAllalouf, Avi; Rapp, Joel; Stoller, Reuven – International Journal of Testing, 2009
When a test is adapted from a source language (SL) into a target language (TL), the two forms are usually not psychometrically equivalent. If linking between test forms is necessary, those items that have had their psychometric characteristics altered by the translation (differential item functioning [DIF] items) should be eliminated from the…
Descriptors: Test Items, Test Format, Verbal Tests, Psychometrics
Allalouf, Avi; Abramzon, Andrea – Language Assessment Quarterly, 2008
Differential item functioning (DIF) analysis can be used to great advantage in second language (L2) assessments. This study examined the differences in performance on L2 test items between groups from different first language backgrounds and suggested ways of improving L2 assessments. The study examined DIF on L2 (Hebrew) test items for two…
Descriptors: Test Items, Test Format, Second Language Learning, Test Construction
