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Ong, Yoke Mooi; Williams, Julian; Lamprianou, Iasonas – International Journal of Testing, 2015
The purpose of this article is to explore crossing differential item functioning (DIF) in a test drawn from a national examination of mathematics for 11-year-old pupils in England. An empirical dataset was analyzed to explore DIF by gender in a mathematics assessment. A two-step process involving the logistic regression (LR) procedure for…
Descriptors: Mathematics Tests, Gender Differences, Test Bias, Test Items