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Koo, Jin; Becker, Betsy Jane; Kim, Young-Suk – Language Testing, 2014
In this study, differential item functioning (DIF) trends were examined for English language learners (ELLs) versus non-ELL students in third and tenth grades on a large-scale reading assessment. To facilitate the analyses, a meta-analytic DIF technique was employed. The results revealed that items requiring knowledge of words and phrases in…
Descriptors: Test Bias, Reading Tests, English Language Learners, Native Speakers
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Abbott, Marilyn L. – Language Testing, 2007
In this article, I describe a practical application of the Roussos and Stout (1996) multidimensional analysis framework for interpreting group performance differences on an ESL reading proficiency test. Although a variety of statistical methods have been developed for flagging test items that function differentially for equal ability examinees…
Descriptors: Test Bias, Test Items, English (Second Language), Second Language Learning