Are there cognitive benefits of code-switching in bilingual children?: A longitudinal study

• Autores: Olivia Kuzyk, Margaret Friend, Vivianne Severdija, Pascal Zesiger, Diane Poulin-Dubois
• Localización: Bilingualism: Language and cognition, ISSN 1366-7289, Vol. 23, Nº 3, 2020, págs. 542-553
• Idioma: inglés
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• Resumen

  • The current study explored bilingual parent and child code-switching patterns over time. Concurrent and predictive models of code-switching behaviour on executive function outcomes were also examined in a sample of 29 French–English bilinguals at 36 (Wave 1) and 61 (Wave 2) months of age. We investigated whether code-switching typology in a single-language context predicted executive function performance at each wave independently, and whether growth in code-switching frequency across waves predicted executive function performance at Wave 2. At both waves, parents and children participated in two free play sessions (in English and French), followed by a battery of executive function tasks administered in the dominant language. Results indicate more frequent code-switching from the non-dominant to the dominant language in children, and that children code-switch to fill lexical gaps. Results also suggest that less frequent code-switching in a single-language context is associated with better inhibitory control skills during the preschool period.