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Kieffer, Michael J.; Rivera, Mabel; Francis, David J. – Center on Instruction, 2012
This report presents results from a new quantitative synthesis of research on the effectiveness and validity of test accommodations for English language learners (ELLs) taking large-scale assessments. In 2006, the Center on Instruction published a review of the literature on test accommodations for ELLs titled "Practical Guidelines for the…
Descriptors: Testing Accommodations, English Language Learners, Evidence, Meta Analysis
Kyle, William C., Jr.; And Others – 1989
This study was designed to assess the effect of a process oriented elementary science curriculum upon students' achievement. The Iowa Tests of Basic Skills (ITBS) Complete Battery with the social studies and science supplements was administered to sixth grade students completing one, two, or three years of the Science through Discovery program in…
Descriptors: Elementary School Science, Grade 6, Intermediate Grades, Science Achievement
Peer reviewed Peer reviewed
Hamm, Mary; Adams, Dennis – Journal of Research in Science Teaching, 1989
Examined are the global issues of population growth, world hunger, air quality and atmosphere, and water resources in 10 middle school science textbooks. Less than two percent of text pages were devoted to these issues and no significant differences were found between textbook series. (Author/YP)
Descriptors: Global Approach, Grade 6, Grade 7, Junior High Schools