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Download full textAbedi, Jamal; Leon, Seth; Kao, Jenny; Bayley, Robert; Ewers, Nancy; Herman, Joan; Mundhenk, Kimberly – National Center for Research on Evaluation, Standards, and Student Testing (CRESST), 2011
The purpose of this study was to examine the characteristics of reading test items that may differentially impede the performance of students with disabilities. The findings suggest that there are certain revisions that can be done on current assessments to make them more accessible for students with disabilities. Features such as words per page,…
Descriptors: Test Items, Reading Tests, Disabilities, Student Evaluation
Direct linkAbedi, Jamal – Stanford Center for Opportunity Policy in Education, 2010
Standardized achievement tests that are used for assessment and accountability purposes may not provide reliable and valid outcomes for English language learners (ELLs) because extraneous sources may confound the outcome of assessments for these students. Performance assessments, by contrast, may offer opportunities for these students to present a…
Descriptors: English Language Learners, Performance Based Assessment, Evaluation Methods, Student Evaluation
Abedi, Jamal; Leon, Seth; Kao, Jenny C. – National Center for Research on Evaluation, Standards, and Student Testing (CRESST), 2008
This study examines the incorrect response choices, or distractors, by students with disabilities in standardized reading assessments. Differential distractor functioning (DDF) analysis differs from differential item functioning (DIF) analysis, which treats all answers alike and examines all wrong answers against the correct answer. DDF analysis…
Descriptors: Test Bias, Disabilities, Grade 9, Grade 3
Abedi, Jamal – 2003
Data from four different school sites nationwide were analyzed to examine whether standardized test results may be confounded by the lack of language proficiency of English language learners. Several analyses comparing the performance of limited English proficient (LEP) students and their non-LEP classmates revealed major differences. A Disparity…
Descriptors: Background, Elementary Secondary Education, English (Second Language), Language Proficiency
Abedi, Jamal – 1999
Different forms of accommodation have been suggested in the assessment of English language learners (ELL). This study examined the effectiveness of a few accommodation strategies on the performance of ELL students in mathematics. A group of 946 eighth graders participated in this study. Using mathematics test items from the National Assessment of…
Descriptors: Definitions, English (Second Language), Glossaries, Grade 8
