While large language models (LLMs) continue to grow in scale and gain new zero-shot capabilities, their performance for languages beyond English increasingly lags behind. This gap is due to the "curse of multilinguality," where multilingual language models perform worse on individual languages than a monolingual model trained on that…

The academic achievement of Hispanic students is not increasing as much as the population is in schools across the United States. Although existing research explores the Hispanic achievement gap, none solely compares the relationship between Hispanic multilingual (ML) and Hispanic non-multilingual (non-ML) students. As the Hispanic population…

"'English is Unavoidable': The Implementation of Multilingual Writing in Foundations Writing, General Education, and Writing Across the Curriculum" reports on a longitudinal, qualitative study of six administrators and one multilingual student who were involved in three institutional writing initiatives during a time of major…

This dissertation critically examines the Colorado Reading to Ensure Academic Development Act (READ Act) through the lens of Critical Discourse Analysis, focusing on the discursive construction of the Act and its impact on educational opportunities for multilingual learners. The study explores the role of power and knowledge in shaping the READ…

Language is a quintessentially human trait. Many decades of neurolinguistic research provided evidence of neural structures which specialize in complex linguistic and cognitive processes supporting human communications. Because the world is multilingual, (Crystal, 2010; de Bot, 2019) a prominent question related to brain processes supporting…

The demographic changes in the U.S. have contributed to linguistic, cultural, and ethnic diversification of today's society; however, monolingual ideologies continue to define many societal and academic discourses due to their historical roots (Matsuda, 2006; Wiley, 2014). One area of higher education that this trend is observed is academic…

This dissertation examines how the transmission of language ideologies on a US campus shapes Chinese international students' experiences regarding English academic writing. The study is motivated by past research that demonstrates the challenges of mastering English academic writing, particularly for people who did not speak English early in life.…

Academic speech in the higher education community is an important form of communication and connection for scholars. Metacognition of academic speech for international multilingual graduate students is an understudied area. The purpose of the current study was to understand metacognition during academic speech for international multilingual…

Given the increasing number of multilingual learners enrolled in U.S. secondary schools and persistent disparities in access to quality STEM education for these students, teacher education programs must prepare secondary science teachers capable of teaching multilingual learners in equitable ways. There is a consensus in science education…

There is a pressing need for language instructors and programs to develop a critical consciousness of how teaching and institutional practices may perpetuate harmful language ideologies and an urgency to promote structural changes (e.g., at the curricular level, via teaching training and equitable pedagogies) to meet the needs of both L2 and…

With an increase in multilingual learners in U.S. public schools, there is an imperative to understand the language practices, ideologies, and pedagogies within culturally and linguistically sustaining heritage language programs inside schools. Building on principles of translanguaging as a theory of practical language (Garcia, 2009; Li, 2018),…

This dissertation analyzes why Heliodorus pays so much attention to foreign languages in the Aethiopica and how his description of these linguistic phenomena colors the work. It demonstrates that Heliodorus is very careful to attribute linguistic abilities to characters in a sensible way that is in line with real-world expectations. Characters…

Since 1980, the number of people in the United States who speak a language other than English at home has increased by 140% (United States Census Bureau, 2010). Therefore a greater percentage of students now are multilingual. Throughout the world, multilingualism is considered the norm and monolingualism is the exception (Auer & Wei, 2008). In…

Negation is a unique and fascinating property of human language which has been given extensive theoretical and typological treatment. One categorization divides negation use into metalinguistic negation and descriptive negation (Horn, 1985). Descriptive negation (DN) is the truth-functional semantic operator which has received the most attention…

A significant and growing proportion of students in the United States speak primarily a non-English language at home. This dissertation contributes to the understanding of academic achievement patterns among language minority students in the United States. The first essay uses data from the Early Childhood Longitudinal Survey Kindergarten Class…