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Lakin, Joni M. – Educational Assessment, 2014
The purpose of test directions is to familiarize examinees with a test so that they respond to items in the manner intended. However, changes in educational measurement as well as the U.S. student population present new challenges to test directions and increase the impact that differential familiarity could have on the validity of test score…
Descriptors: Test Content, Test Construction, Best Practices, Familiarity
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Zenisky, April L.; Hambleton, Ronald K.; Robin, Frederic – Educational Assessment, 2004
Differential item functioning (DIF) analyses are a routine part of the development of large-scale assessments. Less common are studies to understand the potential sources of DIF. The goals of this study were (a) to identify gender DIF in a large-scale science assessment and (b) to look for trends in the DIF and non-DIF items due to content,…
Descriptors: Program Effectiveness, Test Format, Science Tests, Test Items