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Bilingual Cognitive Development: Addressing Three Gaps in Current Research.
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Diaz, Rafael M. – Child Development, 1985
Results question the validity of Cummins's threshold hypothesis and suggest that degree of bilingualism is related to variability in cognitive measures only before a certain threshold of proficiency in the second language is attained. A cause-effect model in which degree of bilingualism appears as the causal factor affecting children's cognitive…
Descriptors: Bilingualism, Cognitive Development, Comparative Analysis, Elementary School Students