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Kato, Kentaro; Moen, Ross E.; Thurlow, Martha L. – Educational Measurement: Issues and Practice, 2009
Large data sets from a state reading assessment for third and fifth graders were analyzed to examine differential item functioning (DIF), differential distractor functioning (DDF), and differential omission frequency (DOF) between students with particular categories of disabilities (speech/language impairments, learning disabilities, and emotional…
Descriptors: Learning Disabilities, Language Impairments, Behavior Disorders, Affective Behavior
Mazerik, Matthew B. – Online Submission, 2006
The mean scores of English Language Learners (ELL) and English Only (EO) students in 4th and 5th grade (N = 110), across the teacher-administered Grammar Skills Test, were examined for differences in participants' scores on assessments containing single-step directions and assessments containing multiple-step directions. The results indicated no…
Descriptors: Second Language Learning, Grade 5, Language Proficiency, Educational Testing