This article outlines an emergentist account whereby the limited end-state typical of adult second language learners results from dynamic cycles of language use, language change, language perception, and language learning in the interactions of members of language communities. In summary, the major processes are: 1. "Usage leads to change": High…

In dual immersion classrooms, students from different language backgrounds are immersed in the minority language for large portions of the school day with the expectation that they will become equally proficient in their first language (L1) and in their second language (L2). Research on dual immersion indicates that students reach above-average…