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Terrazas-Arellanes, Fatima E.; Gallard M., Alejandro J.; Strycker, Lisa A.; Walden, Emily D. – International Journal of Science Education, 2018
The purpose of this study was to document the design, classroom implementation, and effectiveness of interactive online units to enhance science learning over 3 years among students with learning disabilities, English learners, and general education students. Results of a randomised controlled trial with 2,303 middle school students and 71…
Descriptors: Units of Study, Online Courses, Learning Disabilities, English Language Learners
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Mashburn, Andrew J. – Applied Developmental Science, 2008
This study examined associations between quality of social and physical environments in preschools and children's development of academic, language, and literacy skills, and the extent to which preschool quality moderated the associations between child risk and development. Participants were a diverse sample of 540 four-year-old children in…
Descriptors: Ethnicity, Family Income, Preschool Children, Disadvantaged Youth