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Ability or Access-Ability: Differential Item Functioning of Items on Alternate Performance-Based Assessment Tests for Students with Visual Impairments
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Zebehazy, Kim T.; Zigmond, Naomi; Zimmerman, George J. – Journal of Visual Impairment & Blindness, 2012
Introduction: This study investigated differential item functioning (DIF) of test items on Pennsylvania's Alternate System of Assessment (PASA) for students with visual impairments and severe cognitive disabilities and what the reasons for the differences may be. Methods: The Wilcoxon signed ranks test was used to analyze differences in the scores…
Descriptors: Test Bias, Test Items, Alternative Assessment, Visual Impairments
Performance Measurement and Accommodation: Students with Visual Impairments on Pennsylvania's Alternate Assessment
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Zebehazy, Kim T.; Zigmond, Naomi; Zimmerman, George J. – Journal of Visual Impairment & Blindness, 2012
Introduction: This study investigated the use of accommodations and the performance of students with visual impairments and severe cognitive disabilities on the Pennsylvania Alternate System of Assessment (PASA)yCoan alternate performance-based assessment. Methods: Differences in test scores on the most basic level (level A) of the PASA of 286…
Descriptors: Test Items, Visual Impairments, Alternative Assessment, Special Needs Students