A good deal of research purports that bilingualism has a positive effect on some aspects of cognitive functioning. However, this effect is not consistent, and little research examines trajectories of cognitive skill development in bilingual children. Moreover, it remains unclear whether different types of bilingualism impact how cognitive…

The present paper is concerned with the language development of two young children from two different families growing up exposed to three languages. The children live in Switzerland and have been exposed to English, French and Swiss German from infancy. The focus is on the children's production of these languages, and the contextual and affective…