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Pollard-Durodola, Sharolyn D.; Gonzalez, Jorge E.; Saenz, Laura; Resendez, Nora; Kwok, Oiman; Zhu, Leina; Davis, Heather – Early Education and Development, 2018
Research Findings: This study compared the effects of content-based shared book-reading instruction versus an explicit vocabulary-only condition on the vocabulary development of preschool dual language learners (DLLs). Using shared book reading as the mode of instruction, we randomly assigned 48 bilingual preschool teachers and 281…
Descriptors: Vocabulary Development, Language Proficiency, English (Second Language), Bilingual Teachers
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Fleisch, Brahm; Taylor, Nick; Herholdt, Roelien; Sapire, Ingrid – South African Journal of Education, 2011
Can providing learner support materials, particularly custom-designed workbooks, improve primary mathematics achievement more cost effectively than providing conventional textbooks? To contribute to this debate, this paper reports on the findings of a study conducted in 2010 by a consortium of educational researchers at JET Education Services and…
Descriptors: Foreign Countries, Mathematics Instruction, Elementary School Mathematics, Randomized Controlled Trials