In this study, we examine the Spanish proficiency progress of elementary Spanish-English bilinguals in three types of language program models: a dual language bilingual education (DLBE) model with a 90/10 language allocation, a DLBE model with a 50/50 language allocation, and an English as a Second Language (ESL) model over an academic year. In…

This study examined whether the linguistic distance between the first (L1) and second (L2) language is a significant determinant of L2 writing skills of 292 adult immigrants from 39 different source countries, who were beginner learners of Spanish L2. Gender, age, length of residence in Spain, education level as a proxy for literacy skills in L1,…

This study examines the effects of English Learner (EL) status on subsequent Special Education (SPED) placement. Through a research-practice partnership, we link student demographic data and initial English proficiency assessment data across seven cohorts of test takers and observe EL and SPED programmatic participation for these students over 7…

The present research examines the effects of a number of factors on crosslinguistic influence (CLI) in bilin' third language (L3) writing. The main focus is on the levels of adapted and non-adapted loan words as illustrative of CLI. A quantitative analysis explores the impact of typology and proficiency in the target and the source-languages.…

The purposes of this exploratory case study were twofold: (1) to understand the strengths and challenges teachers experienced when designing and delivering language interpretation tasks for use with second- and third-grade bilingual students, and (2) to ascertain what teachers perceived to be the benefits and drawbacks of the instructional…

We explore the classification accuracy of a parent and teacher report measure, the Inventory to Assess Language Knowledge (ITALK), to screen for developmental language disorder (DLD) in bilingual children. Participants were 120 Spanish-English bilingual children with typical development (TD) and 19 bilingual children with DLD, ranging in age from…

As the U.S. population who speaks a language other than English at home continues to grow, few studies have focused on the effect of parental beliefs on the importance of bilingualism have on language outcomes of their children. In this study, we surveyed families raising Spanish-English bilingual children on their beliefs concerning both…

In this preregistered, longitudinal study of early code-switching, 34 US-born, Spanish-English bilingual children were recorded with a bilingual family member at 2;6 and 3;6, in Spanish-designated and English-designated interactions. Children's Spanish and English expressive vocabulary and their exposure to code-switching were measured through…

Purpose: Performance on the Mini-Mental State Examination (MMSE), among the most widely used global screens of adult cognitive status, is affected by demographic variables including age, education, and ethnicity. This study extends prior research by examining the specific effects of bilingualism on MMSE performance. Method: Sixty independent…

This study examined the longitudinal prediction of decoding, oral reading fluency (ORF), and bilingual language proficiency (BLP) on student reading comprehension (RC) outcomes in Spanish and in English. Participants were first-grade Latinx students attending bilingual programs. Findings indicated that BLP initial status and gains were significant…

This dissertation explored whether unnecessary linguistic complexity (LC) in mathematics and biology assessment items changes the direction and significance of differential item functioning (DIF) between subgroups emergent bilinguals (EBs) and English proficient students (EPs). Due to inconsistencies in measuring LC in items, Study One adapted a…

This study examines how dominance and proficiency relate to Spanish heritage speaker vowel productions. Participants' normalized vowel measurements were compared to nonheritage native speakers of Spanish and English using the Pillai score, an output of Multivariate Analysis of Variances (MANOVAs) that allows comparisons across distributions of two…

The purpose of this study was to examine associations between attendance in Georgia's Pre-K Program and children's academic and social outcomes through third grade. This report includes a sub-study that incorporates a comparison group of children who did not attend any pre-k program. This report focuses on third grade outcomes, but it also…

This report summarizes results from the Georgia's Pre-K Longitudinal Study Third-Grade Report. The study followed a representative sample of children (n=1,169) from their pre-k experience (2013-2014) through the third grade (2017-2018). Study components include: (1) Standardized child assessments that measure skills across learning domains. By…

As the theme of the 2022 annual meeting of the American Education Research Association, cultivating equitable education systems has gained renewed attention amid an increasingly diverse society. However, systemic inequalities persist for traditionally underserved student populations. As a way to better address diverse students' needs, it is of…