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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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Taylor, Catherine S.; Lee, Yoonsun – Applied Measurement in Education, 2012
This was a study of differential item functioning (DIF) for grades 4, 7, and 10 reading and mathematics items from state criterion-referenced tests. The tests were composed of multiple-choice and constructed-response items. Gender DIF was investigated using POLYSIBTEST and a Rasch procedure. The Rasch procedure flagged more items for DIF than did…
Descriptors: Test Bias, Gender Differences, Reading Tests, Mathematics Tests
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Taylor, Catherine S.; Lee, Yoonsun – Educational Assessment, 2011
This article presents a study of ethnic Differential Item Functioning (DIF) for 4th-, 7th-, and 10th-grade reading items on a state criterion-referenced achievement test. The tests, administered 1997 to 2001, were composed of multiple-choice and constructed-response items. Item performance by focal groups (i.e., students from Asian/Pacific Island,…
Descriptors: Test Bias, Test Items, Pacific Islanders, American Indians
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Cheng, Liying; Klinger, Don A.; Zheng, Ying – Language Testing, 2007
Results from the Ontario Secondary School Literacy Test (OSSLT) indicate that English as a Second Language (ESL) and English Literacy Development (ELD) students have comparatively low success and high deferral rates. This study examined the 2002 and 2003 OSSLT test performances of ESL/ELD and non-ESL/ELD students in order to identify and…
Descriptors: Foreign Countries, Reading Skills, Writing Skills, Literacy