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Direct linkRoschmann, Sarina; Witmer, Sara E.; Volker, Martin A. – International Journal of Testing, 2021
Accommodations are commonly provided to address language-related barriers students may experience during testing. Research on the validity of scores from accommodated test administrations remains somewhat inconclusive. The current study investigated item response patterns to understand whether accommodations, as used in practice among English…
Descriptors: Testing Accommodations, English Language Learners, Scores, Item Response Theory
Koon, Sharon – ProQuest LLC, 2010
This study examined the effectiveness of the odds-ratio method (Penfield, 2008) and the multinomial logistic regression method (Kato, Moen, & Thurlow, 2009) for measuring differential distractor functioning (DDF) effects in comparison to the standardized distractor analysis approach (Schmitt & Bleistein, 1987). Students classified as participating…
Descriptors: Test Bias, Test Items, Reference Groups, Lunch Programs
