The amount of language input bilingual children receive influences their language acquisition. This three-year quasi-longitudinal study determined the extent home language input influences measures of expressive and receptive English vocabulary among Spanish-English school-age bilingual children. The study also determined whether a relationship…

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…

Providing instruction in multiple languages has the potential to simultaneously help both native English speakers and English learners to develop language proficiency. "Dual language programs" can help native English speakers develop proficiency in a second language and English learners develop proficiency in both their native language…

Due to the relevance of the discussions on the use of counterbalance for content-based and form-focused second language instruction, the purpose of this study is to present some pedagogical strategies to teach and reinforce the correct use of articles, gender and number of nouns in Portuguese when teaching Language and Arts (first grade) and…

Providing instruction in multiple languages has the potential to simultaneously help both native English speakers and English learners to develop language proficiency. "Dual language programs" can help native English speakers develop proficiency in a second language and English learners develop proficiency in both their native language…

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…

This appendix provides additional characteristics of the studies of "Class-Wide Function-Related Intervention Teams (CW-FIT)" that meet What Works Clearinghouse (WWC) single-case design standards, including six studies that contribute to the findings in the "CW-FIT" intervention report and six studies that do not contribute to…

This study considers the opinions of dual immersion elementary school principals in investigating the following research questions: (1) What do dual immersion principals identify as the skills and traits for the school leader that lead to the principal's success in a dual immersion context? and (2) What were the differences of opinion, if any,…

This study looks at how parents in one Spanish-English two-way immersion (TWI) charter school report their participation in various home language and literacy practices. Parent groups, based on a cluster analysis, highlight the heterogeneity of Latino parents at the school while acknowledging the commonalities as well. Four parent groups emerged…

The state of Utah is leading the nation in a surge of new elementary language immersion programs. Their unprecedented growth of programs, over a four-year span, has been both intentional and systemic, taking advantage of a supportive base and promoting language learning as a way to increase economic benefits for the state. While math and science…