Immersion in dual-language programs does not impede children's native language processing.
Anne NeveuIshanti GangopadhyaySusan Ellis WeismerMargarita KaushanskayaPublished in: The international journal of bilingualism : cross-disciplinary, cross-linguistic studies of language behavior (2022)
We do not find evidence that DLI exposure carries a cost to native language development, even when indexed by processing measures. This should reassure parents, educators, and policymakers in that there are no downsides to DLI.