Using the 2.4-million-word written Spanish subsection of the Corpus of Utah Dual Language Immersion, collected from a large-scale standardized writing assessment of K-12 Spanish second language (L2) students, this study focuses on lexical complexity as operationalized by three measures: lexical diversity, lexical density, and lexical…

Children who are English learners (ELs) comprise a large, diverse, and growing student group in U.S. schools. ELs face systemic educational challenges rooted in language, race, class, and nativity. The Century Foundation and Children's Equity Project constructed a first-of-its-kind database covering more than 1,600 dual-language immersion (DLI)…

Using the Communicative Orientation of Language Teaching (COLT) observation theme, this study compares the second-language-learning environments of elementary-level students of French in four submersion and four immersion classrooms in Montreal, Canada. Results indicate clear differences between the two environments. (Author/VWL)

Examines aspects of communicative classroom discourse that may affect the potential of recasts to be noticed as negative evidence by young second-language learners. The database comprises transcripts of over 18 hours of interaction recorded during 27 lessons in four immersion classrooms at the primary level. (Author/JL)