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Farley, Dan; Anderson, Daniel; Irvin, P. Shawn; Tindal, Gerald – Remedial and Special Education, 2017
Modeling growth for students with significant cognitive disabilities (SWSCD) is difficult due to a variety of factors, including, but not limited to, missing data, test scaling, group heterogeneity, and small sample sizes. These challenges may account for the paucity of previous research exploring the academic growth of SWSCD. Our study represents…
Descriptors: Grade 3, Grade 4, Grade 5, Elementary School Students
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Ketterlin-Geller, Leanne R.; Yovanoff, Paul; Tindal, Gerald – Exceptional Children, 2007
Accommodations influence the measurement of student proficiency. However, with discrepant research findings, it is difficult to evaluate the effects of these practices on the measurement of performance of students with special needs. In this article, we present results from an experimental study investigating the effects of item characteristics…
Descriptors: Student Characteristics, Special Needs Students, Mathematics Tests, Testing Accommodations