Investigated in preschoolers whether the bilingual advantage in cognitive control or selective attention could be found in a nonverbal task, the dimensional change card sort, requiring minimal demands for analysis or representation. Found that bilingual children were more advanced than monolinguals in solving problems requiring high levels of…

This study claimed that the ability of bilingual children to solve metalinguistic problems depends upon the demands of a given problem for analysis of knowledge or control of processing. It examined two hypotheses concerning bilingualism and metalinguistic problem-solving: (1) that bilingual children would be more advanced than monolingual…