Relatively little is known about the role of ambiguity in adult second-language learning. In this study, native English speakers learned Dutch-English translation pairs that either mapped in a one-to-one fashion (unambiguous items) in that a Dutch word uniquely corresponded to one English word, or mapped in a one-to-many fashion (ambiguous items),…

The present study explores knowledge of Spanish grammatical gender in both comprehension and production by heritage language speakers and second language (L2) learners, with native Spanish speakers as a baseline. Most L2 research has tended to interpret morphosyntactic variability in interlanguage production, such as errors in gender agreement, as…

Compares the results from monolingual children with object omissions in bilingual children who have acquired two languages simultaneously. Claims that the difference between monolingual and bilingual children is due to crosslinguistic influences in bilingual children. (Author/VWL)

Comments are provided by ten authors in response to an article on language separation and crosslinguistic influence in bilingual first language acquisition. (Author/VWL)

Responds to comments by various researchers on an early article presented in the same issue of this journal, claiming that language separation and crosslinguistic influence coexist in bilingual first language acquisition. (Author/VWL)