This study investigates the neurocognitive underpinnings of early language learning in adults and examines the modulating effects of individual differences in prior bilingual experience and cognitive capabilities. This study used a pre/post short-term longitudinal design with a 10-day Dutch language training via Rosetta Stone. Event-Related…

The purpose of this qualitative exploratory case study was to explore how The Sims could be used to assist L1 English speakers in learning L2 Russian verbs of motion through completing in-game tasks in pairs while speaking Russian. English and Russian verbs of motion encode manner and path differently, and L2 Russian motion verbs use a variety of…

How can syntactic and learnability analyses inform each other, and thus deepen our understanding of syntax and its acquisition? This dissertation illuminates this question through three case studies in Korean syntax. I examine cases in which two structures that display distinct syntactic properties share extremely similar surface forms, thus…

In the years 2020 and 2021, a total of 1,142,352 international students pursued their higher education degrees in the U.S. (SEVIS, 2022), many learning in English for the very first time. International students benefit from interaction in the classroom to support their learning and continued English language development (Loewen & Sato, 2018).…

Learning an L2 is often said to transform an individual into a new (and improved) version of the self. This mixed-method study investigated (1) whether, and if so, in what way such a transformation occurs within the L2 learner self; and (2) whether current theories of self and motivation in the fields of SLA and psychology adequately address L2…

This dissertation is a quantitative analysis of language proficiencies through the lens of the dynamic model of multilingualism, using survival analysis to evaluate time until thresholds of foreign language proficiency are reached and nonparametric tests (Wilcoxon signed rank and Kruskal-Wallis) to compare proficiencies at distinct time intervals…

Second language learning success relies on instructional methodologies that foster guidance, engagement, motivation, creativity, and active learning in an inclusive environment. As language educators, it is important to establish instructional modes to entice positive behavior and stimulate the senses. The problem to be addressed by the study is…

The United States government is perennially in need of employees with proficiency in critical foreign languages to communicate with foreign counterparts and maintain relationships worldwide. In order to fulfill this need, the government devotes significant resources training federal employees to advanced levels of language proficiency through…

The field of autonomous language learning in second language acquisition has experienced significant growth since its introduction by Holec in the 1980s. Several studies have explored how to promote learning autonomy in various spaces, including online learning environments. However, research related to autonomous language learning in online…

This dissertation investigates the longitudinal development of Chinese language proficiency among students in a Chinese as a Foreign Language (CFL) Flagship Program at an American public university from 2014 to 2024. Using Bayesian multilevel regression models, this study assesses the trajectories of listening, speaking, and reading proficiency…

This research is about investigating authentic learning experiences for elementary-age English learners' (ELs) engagement and attitudes toward learning. Oftentimes, EL instruction is siloed in its approach and is interdependent on what students are learning in the classroom. Moreover, due to potential limitations in language acquisition skills…

This study investigated classroom interaction in three novice-level Chinese language classrooms at middle and high schools in the US in the spring of 2021. Due to school responses to the COVID-19 pandemic, the participating teachers had shifted from teaching in a face-to-face, in-person classroom to fully online and partially online, hybrid…

This dissertation explores the experiences of adult English as a Second Language (ESL) learners in an Adult Basic Education (ABE) program. ABE/ESL learners are a unique but integral population within the language learning community and are largely excluded from the scholarly discourse. Research in the context of language learning and instruction…

To date, most classroom-based research into the learning of a third language (L3) in the US has examined patterns of acquisition among various groups of bilinguals. Situated mainly within the context of "Portuguese for Spanish Speakers" (PSS), studies typically group learners based on the sequence / age of onset of their main background…

The purpose of this qualitative, descriptive study was to explore how college English as a second language educators described how English as a second language learners used direct and indirect Language Learning Strategies in facilitating their learning at a higher education institution in the Southwest region of the United States. The research is…