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Download full textSinharay, Sandip; Dorans, Neil J.; Liang, Longjuan – Educational Testing Service, 2009
To ensure fairness, it is important to better understand the relationship of language proficiency to standard psychometric analysis procedures. This paper examines how results of differential item functioning (DIF) analysis are affected by an increase in the proportion of examinees who report that English is not their first language in the…
Descriptors: Test Bias, Language Proficiency, English (Second Language), Measurement
Breland, Hunter; Lee, Yong-Won; Najarian, Michelle; Muraki, Eiji – Educational Testing Service, 2004
This investigation of the comparability of writing assessment prompts was conducted in two phases. In an exploratory Phase I, 47 writing prompts administered in the computer-based Test of English as a Foreign Language[TM] (TOEFL[R] CBT) from July through December 1998 were examined. Logistic regression procedures were used to estimate prompt…
Descriptors: Writing Evaluation, Quality Control, Gender Differences, Writing Tests
