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Marulis, Loren M.; Neuman, Susan B. – Review of Educational Research, 2010
This meta-analysis examines the effects of vocabulary interventions on pre-K and kindergarten children's oral language development. The authors quantitatively reviewed 67 studies and 216 effect sizes to better understand the impact of training on word learning. Results indicated an overall effect size of 0.88, demonstrating, on average, a gain of…
Descriptors: Intervention, Oral Language, Effect Size, Kindergarten