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Effectiveness of Four Instructional Programs Designed to Serve English Learners

Valentino & Reardon 2015 · long-running follow-up study (no random assignment) · touches 1 claim · used in 1 attack

Which beliefs it touches

C34 Home language in school backs it up
One large US district, 13,750 English learners followed to grade 7-8, controls for parents' programme preferences: ELA growth from grade 2 faster than English immersion for transitional bilingual (+0.023 SD/grade) and dual immersion (+0.064), developmental bilingual not significantly different (-0.022, p < .10). Kill-condition test, C34 survived 2026-11-14. Not randomised; accepted manuscript read (ERIC ED566267).