This dissertation explored Beninese English teachers' prior experience in writing in English and its implications for teaching writing in English in the Benin Republic. Grounded in a social constructionist paradigm, this dissertation used a qualitative research approach with initial survey, autobiographical narrative essay, and interviews to…

This qualitative study explores K-12 classroom teachers' perceptions and experiences in meeting the needs of language learners, specifically English language learners (ELLs) and dual-language learners (DLLs). Addressing two main research questions, it investigated how teachers' preservice learning and development prepared them for instructing…

Despite some rises and falls in the numbers due to various reasons, including the political climate in the Trump era and the COVID-19 pandemic (Laws & Ammigan, 2020), each year universities in the United States host a large number of multilingual international students from different parts of the world. Based on their TOEFL scores, many are…

Leveraging the effectiveness of Concept-Based Language Instruction (C-BLI) in language teaching and learning, including in the teaching of specific linguistic features of target languages (Negueruela, 2003; Van Compernolle, 2012), pragmatic elements such as sarcasm (Kim & Lantolf, 2018), and even discipline-specific concepts (e.g., Casal,…

This dissertation explores Spanish copular verbs, "ser" and "estar" (both 'to be' in English), in pre-adjectival contexts within two Spanish varieties: first-language (L1) Chilean speakers from Santiago (N = 29) and second-language (L2) English-speaking learners studying in Chile (N = 31). Bridging sociolinguistics and second…

Uganda Baptist Seminary (UBS) is accredited by the Ugandan National Council for Higher Education and teaches church leaders from Uganda and its surrounding seven countries. The required language of educational instruction is English, although the students come from a multitude of different native languages. This research stems from a need to…

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…

A common drawback in traditional language education is that all students in the same class use the same content. Since students may have different backgrounds such as prior knowledge and learning speed, one single curriculum may not be able to accommodate every student. Unfortunately, most students cannot afford personalized language learning,…

The vast development of digital technology and the widespread use of social network platforms have reshaped how we live in the world. For L2 learners to maximally utilize their language proficiency to function effectively as members of modern society, they need not only the necessary L2 knowledge, skills, and abilities (KSAs) but also essential…

In this dissertation, I investigated how cognitive resources as well as formal, and informal language experience impact language learning in two studies. In the first study (Chapter 2), I examined the learning of Spanish grammatical gender by Chinese international students who were studying abroad in the US. The goal of that study was to uncover…

This classroom-based case study examines how Spanish-English emergent bilingual children in a second grade one-way immersion classroom draw on prior knowledge and experiences and use comprehension strategies to discuss and comprehend three texts with different levels of cultural relevance. Through an examination of the rich range of cognitive,…

Although there is significant research surrounding online foreign language education, there are still questions on whether the outcomes are comparable to those obtained in the traditional face-to-face classroom. This study examined four classes, two online and two face-to-face, where students took the second course of a 6-level program of English…

This dissertation explores seven second language (L2) undergraduates' learning experiences in a First-Year Writing (FYW) course at an American university. While the FYW course is designed from the perspective of first-language (L1) composition scholarship and focuses, broadly speaking, on analytical writing and the related development of critical…

Theorists agree that adequate knowledge does not guarantee better decisions or performances in the future (Gu, 2007; Dana & Yendol-Hpppery, 2008). Instead, they suggest that in order to comprehend teachers' decision and practices, researchers need to learn about both teachers' belief and knowledge. Meanwhile, in-service teachers were…

The field of Instructed Second Language Acquisition (ISLA) has expressed interest in pursuing a research agenda that expands the current heritage language (HL) strand of research to investigate how this heterogeneous population re-learns their family language, and how this experience differs from that of second language (L2) learners. This…