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Pentimonti, Jill; O'Connell, Ann; Justice, Laura; Cain, Kate – Child Development, 2015
The purpose of this study was to empirically examine the dimensionality of language ability for young children (4-8 years) from prekindergarten to third grade (n = 915), theorizing that measures of vocabulary and grammar ability will represent a unitary trait across these ages, and to determine whether discourse skills represent an additional…
Descriptors: Child Development, Language Acquisition, Child Language, Language Skills
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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