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Baldonado, Angela Argo; Svetina, Dubravka; Gorin, Joanna – Applied Measurement in Education, 2015
Applications of traditional unidimensional item response theory models to passage-based reading comprehension assessment data have been criticized based on potential violations of local independence. However, simple rules for determining dependency, such as including all items associated with a particular passage, may overestimate the dependency…
Descriptors: Reading Tests, Reading Comprehension, Test Items, Item Response Theory
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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