期刊
COGNITION
卷 140, 期 -, 页码 122-134出版社
ELSEVIER
DOI: 10.1016/j.cognition.2015.03.013
关键词
Bilingualism; Language acquisition; Communicative development inventory; Network analysis; Mutual exclusivity
资金
- National Institute of Health grant [0R01HD058620]
- Foundation for Child Development (Young Scholars Program)
- British Academy
Bilingual first language learners face unique challenges that may influence the rate and order of early word learning relative to monolinguals. A comparison of the productive vocabularies of 435 children between the ages of 6 months and 7 years-181 of which were bilingual English learners found that monolinguals learned both English words and all-language concepts faster than bilinguals. However, bilinguals showed an enhancement of an effect previously found in monolinguals the preference for learning words with more associative cues. Though both monolinguals and bilinguals were best fit by a similar model of word learning, semantic network structure and growth indicated that the two groups were learning English words in a different order. Further, in comparison with a model of two-monolinguals-in-one-mind, bilinguals overproduced translational equivalents. Our results support an emergent account of bilingual first language acquisition, where learning a word in one language facilitates its acquisition in a second language. (C) 2015 Elsevier B.V. All rights reserved.
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