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Download full textRogers, Christopher M.; Thurlow, Martha L.; Lazarus, Sheryl S.; Liu, Kristin K. – National Center on Educational Outcomes, 2019
The purpose of this report is to present a synthesis of the research on test accommodations published in 2015 and 2016. We summarize the research to review current research trends and enhance understanding of the implications of accommodations use in the development of future policy directions, to highlight implementation of current and new…
Descriptors: Testing Accommodations, Students with Disabilities, Elementary Secondary Education, Postsecondary Education
Rogers, Christopher M.; Lazarus, Sheryl S.; Thurlow, Martha L. – National Center on Educational Outcomes, 2014
A report providing an update on the state of the research on testing accommodations as well as to identify promising future areas of research. Previous reports by NCEO have covered research published since 1999. NCEO summarizes the research to review current research trends and enhance understanding of the implications of accommodations use in the…
Descriptors: Testing Accommodations, Students with Disabilities, Educational Research, Educational Trends
Peer reviewed
Direct linkKato, 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
