Recent decades have seen an increase in research informing our understanding of the complex ways in which bilingual development is shaped by biological, cognitive, and behavioral factors. We investigate the predictors that shape, drive, and constrain the development of the first language (L1) of bilinguals, focusing on 92 Turkish-English bilingual…

This investigation aimed to provide insights into the controversial debate on the role that age at onset of bilingualism plays in human language capacity with a focus on what it entails for first language (L1) attrition. L1 performance of Turkish immigrants (n = 57) in the United Kingdom with age at onset ranging between 7 and 34 years was…

Investigates whether Spanish- and Turkish-speaking learners of English discover the semantic and syntactic constraints on the causative/inchoative alternation in the absence of overt morphological clues. Results of a picture judgment task show that second language learners do discover these properties and that overall verbs appear to cluster in…