Second language acquisition research on the immersion context has focused primarily on study abroad, revealing the extent to which that context promotes learners' developing linguistic and intercultural competence. However, little research has examined linguistic development in intensive, domestic immersion contexts. This study investigated the…

Contemporary best practices in the profession encourage teaching as much as possible in the target language, but when university faculty were observed teaching Spanish, the majority spoke English during instruction and many engaged in frequent code switching (alternations) between English and Spanish. Findings indicate that instructors used…