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Barbieri, Christina A.; Rodrigues, Jessica; Dyson, Nancy; Jordan, Nancy C. – Journal of Educational Psychology, 2020
The effectiveness of an experimental middle school fraction intervention was evaluated. The intervention was centered on the number line and incorporated key principles from the science of learning. Sixth graders (N = 51) who struggled with fraction concepts were randomly assigned at the student level to the experimental intervention (n = 28) or…
Descriptors: Fractions, Mathematics Instruction, Intervention, Mathematical Concepts
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Lin, Tzu-Jung; Chen, Jing; Lu, Monica; Sun, Jing; Purtell, Kelly; Ansari, Arya; Justice, Laura – Journal of Educational Psychology, 2023
The purpose of this study was to examine how classroom language contexts characterized by peer language skills and proportions of dual language learners (DLL) influenced English language development for DLL and non-DLL children. Participants were 2,131 children from 135 classrooms across preschool through Grade 3. Children were classified into…
Descriptors: Bilingualism, Bilingual Education, English (Second Language), Second Language Learning