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Direct linkLiang, Jian-Hua; Heckman, Paul E.; Abedi, Jamal – Educational Evaluation and Policy Analysis, 2012
In California, an increasing number of 8th graders have taken algebra courses since 2003. This study examines students' California Standards Test (CST) results in grades 7 through 11, aiming to reveal who took the CST for Algebra I in 8th grade and whether the increase has led to a rise in students' taking higher-level mathematics CSTs and an…
Descriptors: Test Results, Algebra, Standardized Tests, Required Courses
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
Abedi, 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
O'Conner, Rosemarie; Abedi, Jamal; Tung, Stephanie – Regional Educational Laboratory Mid-Atlantic, 2012
This study describes limited English proficient (LEP) student enrollment and achievement trends in Maryland. Two research questions guide this study: (1) How did the enrollment of LEP students in Maryland public schools change between 2002/03 and 2008/09?; and (2) How did performance (the percentage scoring at the proficient or advanced level) on…
Descriptors: Academic Achievement, Achievement Gap, Comparative Analysis, Educational Indicators
O'Conner, Rosemarie; Abedi, Jamal; Tung, Stephanie – Regional Educational Laboratory Mid-Atlantic, 2012
This study describes English language learner (ELL) student enrollment and achievement trends in Pennsylvania public schools between 2002/03 and 2008/09. Two research questions guide this study: (1) How did the enrollment of ELL students in Pennsylvania public schools change between 2002/03 and 2008/09?; and (2) How did performance (the percentage…
Descriptors: Academic Achievement, Achievement Gap, Comparative Analysis, Educational Indicators
O'Conner, Rosemarie; Abedi, Jamal; Tung, Stephanie – Regional Educational Laboratory Mid-Atlantic, 2012
This study describes English language learner (ELL) student enrollment trends between 2002/03 and 2008/09 and achievement trends between 2006/07 and 2008/09 in the District of Columbia. Two research questions guide this study: (1) How did the enrollment of ELL students in District of Columbia public schools change between 2002/03 and 2008/09?; and…
Descriptors: Academic Achievement, Achievement Gap, Comparative Analysis, Educational Indicators
O'Conner, Rosemarie; Abedi, Jamal; Tung, Stephanie – Regional Educational Laboratory Mid-Atlantic, 2012
This study describes English language learner (ELL) student enrollment and achievement trends in Pennsylvania public schools between 2002/03 and 2008/09. Two research questions guide this study: (1) How did the enrollment of ELL students in Pennsylvania public schools change between 2002/03 and 2008/09?; and (2) How did performance (the percentage…
Descriptors: Academic Achievement, Achievement Gap, Comparative Analysis, Educational Indicators
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; Leon, Seth; Mirocha, Jim – 2001
The concurrent validity of standardized achievement tests (the Stanford 9 and the Iowa Tests of Basic Skills) was examined using data from different school districts nationwide and a latent variable modeling approach. Items in the standardized achievement tests in several content areas were divided into parcels. Parcel scores were used to create…
Descriptors: Achievement Tests, Correlation, Elementary Secondary Education, English (Second Language)
Abedi, Jamal – 2001
Validity and reliability issues in standardized testing of students of limited English proficiency (LEP) were studied. Existing data from four different school sites were obtained for LEP and non-LEP students for three different standardized tests, the Stanford Achievement Tests (Ninth edition), the Iowa Tests of Basic Skills, and the Language…
Descriptors: Achievement Tests, Correlation, Elementary Secondary Education, English (Second Language)
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; Bailey, Alison; Butler, Frances; Castellon-Wellington, Martha; Leon, Seth; Mirocha, James – National Center for Research on Evaluation, Standards, and Student Testing (CRESST), 2005
The research effort reported in this document addresses the important national need for determining the validity of large-scale content assessments in English with students who are in the process of acquiring English as a second language. Often these students have been excluded from such assessments, but there have been recent, growing efforts to…
Descriptors: Second Language Learning, English (Second Language), Language Aptitude, Construct Validity
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
