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How much exposure to English is necessary for a bilingual toddler to perform like a monolingual peer in language tests?

Cattani, Allegra, Abbot-Smith, Kirsten, Farag, Rafalla, Krott, Andrea, Arreckx, Frédérique, Dennis, Ian, Floccia, Caroline (2014) How much exposure to English is necessary for a bilingual toddler to perform like a monolingual peer in language tests? International Journal of Language & Communication Disorders, 49 (6). pp. 649-671. ISSN 1368-2822. (doi:10.1111/1460-6984.12082)

Abstract

Background

It was asked whether a cut-off exists in the proportion of exposure to English at which one should expect a bilingual toddler to perform as well as a monolingual on a test standardized for monolingual English-speaking children.

Methods & Procedures

Hierarchical regression analyses found the proportion of exposure to English to be the main predictor of the performance of bilingual toddlers. Bilingual toddlers who received 60% exposure to English or more performed like their monolingual peers on all measures. K-means cluster analyses and Levene variance tests confirmed the estimated English exposure cut-off at 60% for all language measures. Finally, for one additional language for which we had multiple participants, additional language CDI production scores were significantly inversely related to the amount of exposure to English.

Conclusions & Implications

Typically developing 2;6-year-olds who are bilingual in English and an additional language and who hear English 60% of the time or more, perform equivalently to their typically developing monolingual peers.

Item Type: Article
DOI/Identification number: 10.1111/1460-6984.12082
Uncontrolled keywords: bilingualism;lexicon;language delay and assessment
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Faculties > Social Sciences > School of Psychology
Depositing User: M.L. Barnoux
Date Deposited: 18 Jul 2014 08:39 UTC
Last Modified: 06 Feb 2020 04:09 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/41883 (The current URI for this page, for reference purposes)
Abbot-Smith, Kirsten: https://orcid.org/0000-0001-8623-0664
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