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    Effect of socio-economic status on cognitive control in non-literate bilingual speakers*

    245771_245771.pdf (365.8Kb)
    Access Status
    Open access
    Authors
    Nair, V.
    Biedermann, Britta
    Nickels, L.
    Date
    2017
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Nair, V. and Biedermann, B. and Nickels, L. 2017. Effect of socio-economic status on cognitive control in non-literate bilingual speakers*. Bilingualism. 20 (5): pp. 999-1009.
    Source Title
    Bilingualism
    DOI
    10.1017/S1366728916000778
    ISSN
    1366-7289
    School
    School of Psychology and Speech Pathology
    Remarks

    This version of the article has been accepted for publication and will appear in a revised form subsequent to peer review and / or editorial input

    URI
    http://hdl.handle.net/20.500.11937/30073
    Collection
    • Curtin Research Publications
    Abstract

    Previous research has suggested that the advantages for cognitive control abilities in bilinguals are attenuated when socio-economic status (SES) is controlled (e.g., Morton & Harper, 2007). This study examined the effect of SES on cognitive control in illiterate monolingual and bilingual individuals who lived in adverse social conditions. We tested monolinguals and bilinguals using Simon and Attentional Network task while controlling for two potential confounding factors: SES and literacy. Bilinguals were faster for both trials with and without conflict demonstrating overall faster response times (global advantage) compared to monolinguals on both tasks. However, no bilingual advantage was found for conflict resolution on the Simon task and attentional networks on the Attentional Network task. The overall bilingual effects provide evidence for a bilingual advantage even among individuals without literacy skills and of very low SES. This indicates a strong link between bilingualism and cognitive control over and above effects of SES.

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