This dissertation focused on comparing the academic achievement and language proficiency in both English and Spanish of students at risk for language and learning difficulties, with bilingual typically developing students in two bilingual educational contexts: English as a Second Language program and Spanish two-way immersion program. Data was…

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…

Ideologies regarding what is "good" teaching undergird common teaching practices and pedagogical decisions, which may support and/or run counter to the broader policy environment in which they occur (Gibson, 1998). Drawing from a six-month ethnography of 10th-grade newcomer students from Mexico and their teachers in a Central Texas…

Input is considered one of the most important factors in the acquisition of lexical and grammatical skills. Input has been found to interact with other factors, such as learner cognitive skills and the circumstances where language is heard. Language learning itself has sometimes been found to enhance cognitive skills. Indeed, intensive contact…

This study assesses the long-term linguistic and academic outcomes associated with different bilingual language education models for low-income dual language learners (DLLs) residing in a bilingual, bicultural context. As part of the Miami School Readiness Project (MSRP), we analyzed the impact of program model on gains in English language…

The Texas Education Code (§ 29.051) requires school districts to provide every language minority student with the opportunity to participate in either a bilingual or English as a second language (ESL) program. This evaluation report summarizes the performance of students who participated in the district's Dual Language Bilingual Program. Included…

The Texas Education Code (§ 29.051) requires school districts to provide every language minority student with the opportunity to participate in either a bilingual or English as a second language (ESL) program. This evaluation report summarizes the performance of students who participated in the district's Dual Language Bilingual Program. Included…

Elementary Spanish language immersion programs have become more popular in the educational field in the United States to support the academic achievement of minority students. The final goal of immersion programs is to develop proficiency in the home language and dominant language, identified as first language (L1) and second language (L2), to…

The Texas Education Code (§ 29.051) requires school districts to provide every language minority student with the opportunity to participate in either a bilingual or English as a second language (ESL) program. This evaluation report summarizes the performance of students who participated in the district's Dual Language Bilingual Program. Included…

Standardized tests have been selected as a key assessment factor in expanding the academic achievement of the national student population. However, these tests position immigrant students at the risk of academic failure, leading education experts to search for new strategies and teaching models. The "Handbook of Research on Assessment…

English language learners (EL) are the fastest growing sub-group of the student population in California, yet ELs also score the lowest on the science section of the California Standardized Tests. In the area of bilingual education, California has dramatically changed its approach to English learners since the passage of Proposition 227 in 1998,…

The Texas Education Code requires school districts to provide every language minority student with the opportunity to participate in either a bilingual or English as a second language (ESL) program. This report summarizes the performance of students who participated in the district's Dual Language Bilingual Program. Included in the report are…

A Mandarin/English two-way immersion elementary program is described from its inception and implementation through the fifth grade, the culminating year of the program. All students in all grades were assessed on their oral/listening, reading, and writing performance in Mandarin using program-created assessment measures. Fifth-grade students also…

The Texas Education Code requires school districts to provide every language minority student with the opportunity to participate in either a bilingual or English as a second language (ESL) program. This evaluation report summarizes the performance of students who participated in two of the bilingual programs offered by the district during the…

Increasing standardized test scores in reading and math is of high importance to the California Department of Education to meet requirements mandated by the No Child Left Behind (NCLB) act of 2001. More research is needed to understand the best ways to improve tests scores to meet concerns of the NCLB act. The purpose of the study was to evaluate…