The rising demand for dual-language immersion (DLI) programs, which offer core instruction in two languages from early grades onward, has raised questions about program design and access. We leverage the rapid expansion of DLI schools across the U.S. state of Utah to estimate effects of DLI program availability on the academic achievement of…

This study investigated the oral reading strategy use of 51 first-grade readers in a Chinese Dual-Language Bilingual Education (DLBE) programme. It attempted to answer the following research questions: (1) What reading strategies do first-grade Mandarin Chinese DLBE learners employ to decode Chinese text during oral reading? (2) Do the first-grade…

This study explored the development of oral narrative retell proficiency among Mandarin Chinese-English dual language immersion (DLI) learners in Utah. The study compared the younger and the older DLI learners' oral narrative retelling production in order to provide information regarding the Mandarin narrative developmental trend of the DLI…

Utilizing Utah state data, the aim of this study is to examine the association between language program types programs (dual language programs [DLI], sheltered instruction [SEI], and English as a second language [ESL]) since first grade and third-grade basic literacy skills of Spanish-speaking English learners (ELs) in the United States. We employ…

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…

This study examined Spanish-English dual language (DL) K-6 teachers in collaborative professional development as they worked towards achieving the bicultural goal of DL education, beyond traditional interpretations, and incorporating sociopolitical consciousness as a fourth goal. These two principles are part of the transformational DL educational…