Vocabulary size is a crucial early indicator of language development, for both monolingual and bilingual children. Assessing vocabulary in bilingual children is complex because they learn words in two languages, and there remains significant controversy about how to best measure their vocabulary size, especially in relation to monolinguals. This…

In L1 attrition research, it's recognized that a previously acquired language can transform under the influence of a newly acquired one. However, the precise L1-L2 relationship is intricate and warrants further study. Some research suggest that L2 mastery might reduce L1 proficiency, while others show that both languages can be maintained. Age of…

Forty years ago, the Castañeda v. Pickard landmark case marked an important milestone in the fight for equitable education for English learners in law, and for the first time linked theory, resources, and outcomes. Notwithstanding the important progress it marked in advocating for greater resources for English learners and accountability for…

Reading in English is an essential skill that emergent bilingual students in the United States (U.S.) must master to be successful in school and to fully take advantage of the affordances reading in English offers. The current meta-analysis examined the extent to which reading instruction improved English reading outcomes for preschool to grade 12…

This study offered a group of preservice bilingual generalists' opportunities for one semester to engage in a unique form of professional development that merged authentic field experiences with direct interaction with parents and families of ELs. Specifically, the study investigated how Hispanic pre-service teachers' self-efficacy and…

This dissertation investigates intuitions about Spanish syllable structure and whether or not word segmentation strategies are affected by these syllabic intuitions. The study utilizes monolingual Spanish speakers, L1 Spanish speakers who are L2 learners of English and L1 English speakers who are L2 learners of Spanish. For Spanish syllabic…

This multisite qualitative case study explores ways in which instructional coaching focused on English language development (content) and teachers' individual beliefs (process) can help general education and dual language bilingual education elementary teachers work within and through perceived institutional barriers to improve their language and…

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…

Reclassification is a crucial educational student outcome when a school system determines that a student is English proficient and ready for mainstream instruction without language support services (Umansky et al., 2020). This study examined the relationship between crucial and complex language ideologies of dual language teachers and the…

This study sought to examine the academic impact of second language acquisition in ELL students when parents refuse bilingual services in comparison to students who remain in a bilingual education program until they are ready to exit. Due to the COVID-19 pandemic, data from only one assessment was utilized in this study. The study conducted was a…

This qualitative phenomenological research study was used to interview bilingual teachers on their perception regarding the referral process for Spanish-speaking students in emergent bilingual programs. Creswell's (2009) six-step method for analyzing phenomenological studies was used to analyze the interviews. The study results support that…

This brief explores the potential of bilingual programs to support access to core content courses for students classified as English Learners (ELs). The most common types of bilingual education programs in Oregon are: (1) dual language: instruction is in English and a partner language, with goals of biliteracy and bilingualism. This is also known…

Students classified as English language learners (ELLs), many of whom are also Hispanic/Latiné/x, are at times excluded from opportunities to engage in engineering design experiences due to the emphasis on learning English. In dual language bilingual education, however, language policies that allow for the use and development of more than one…

This book is a comprehensive introduction to the topic of assessing students who use two or more languages in their daily life. The book provides foundational information for assessing multilingual learners (MLs) in schools, with an emphasis on school language and content. Major assessment ideas are viewed through a framework called PUMI (Purpose,…

Drawing upon Darvin and Norton's framework of investment, this article explores the multiple factors underlying parents' commitment to bilingual education. I use open-ended responses on a survey to report on the motivations and experiences of parents who have enrolled their child in a French-English dual language immersion program. Findings…