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The relationship between bilingual exposure and morphosyntactic development.
1McGill University, School of Communication Sciences and Disorders , Montréal, Quebec , Canada.
International Journal of Speech-Language Pathology
|July 17, 2014
Summary
Bilingual children
Area of Science:
- Child language acquisition
- Bilingualism research
- Developmental linguistics
Background:
- Bilingual children's grammatical development is influenced by language exposure.
- Understanding bilingual development aids in distinguishing typical patterns from language impairment.
Purpose of the Study:
- To investigate how varying levels of bilingual input affect grammatical development in young children.
- To compare the grammatical skills of bilingual children with their monolingual peers.
Main Methods:
- Collected spontaneous language samples from 3- and 5-year-old bilingual and monolingual preschoolers.
- Analyzed mean length of utterance (MLU) and morphological accuracy/diversity.
- Controlled for age, non-verbal cognition, and maternal education.
Main Results:
- Grammatical development correlated with the amount of same-language exposure.
- Children with balanced exposure performed similarly to monolinguals.
- Unequal exposure led to lower scores in the weaker language, potentially indicating language impairment.
Conclusions:
- Normative data for bilingual grammatical development are provided.
- These data enhance the accuracy of interpreting bilingual children's language assessments.
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