In this study, we propose a hypothesis that domain-general auditory processing, a perceptual anchor of L1 acquisition, can serve as the foundation of successful post-pubertal L2 learning. This hypothesis was tested with 139 post-pubertal L2 immersion learners by linking individual differences in auditory discrimination across multiple acoustic…

The United States has witnessed a rise in dual language immersion (DLI) programs in recent years, with instruction delivered both in English, the majority language spoken in the wider society, and in another language, often referred to as the partner or minority language. But while accountability mandates have focused on students' performance in…

For many preschoolers in Turkish kindergartens, English instruction starts in the third year of their lives when they have barely begun to articulate their thoughts in their own mother tongue, Turkish. Parents have a dual role as models and decision makers in their children's foreign language education. As the fifteen participant parents of this…

Immersion programs have long been considered the gold standard for school-based language revitalization, but surprisingly little attention has been paid to the quantity and quality of the input that they provide to young language learners. Drawing on new data from three such programs (Kaqchikel, Western Subanon, and Maori), each with its own…

The purpose of this manual, which accompanies a video program, is to provide general background information for foreign language teachers who are, or soon will be, teaching in total, partial, or two-way immersion classrooms. Part of a series of video programs, this manual highlights current theories, issues, and questions about second language…