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Heather Johnson; Erika Hoff – Developmental Science, 2025
A basic question about bilingual development is how the acquisition of one language affects the acquisition of the other. Previous findings are few and mixed. The present study addressed this question with longitudinal data on the dual-language vocabulary growth of 149 US-born children from Spanish-speaking immigrant families, who were followed…
Descriptors: Language Acquisition, Vocabulary Development, Bilingualism, Emergent Literacy