Chapter 34

The Bilingual Advantage Debate

Quantity and Quality of the Evidence

First published: 19 February 2019
Citations: 51

Summary

The bilingual advantage hypothesis is difficult to test for many reasons and one is the complexity of the executive functioning (EF) construct. The newest wave of meta-anlayses on the bilingual advantage has minimized the apples and oranges problem by separately analysing results targeting inhibition, updating of working memory, and switching. This chapter presents in detail the results of a meta-analysis summarized at a meeting of the Psychonomic Society. A complementary part of the narrative that young adults do not show bilingual advantages is that advantages are consistently observed with children and older adults. The key starting point for predictions of bilingual advantages in EF is the plenitude of evidence consistent with the hypothesis that both languages are co-activated even when the language context supports only one of them and that some general-purpose aspect of EF is recruited to facilitate the selection of the target language and avoid intrusions from the non-target language.

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