The number of multilingual international students in post-secondary mathematics classrooms in the United States is increasing. As language is related to students' access to mathematics learning and their (mathematics) identities, it shapes their experiences as a doer of mathematics. However, as multilingual international students move to the…

This study examined the differences and similarities among the writing of three types of developmental English and advanced ESL United States community college students, comparing the writing of resident English learners (RL2), whose home language was not English but who attended United States public schools for five years or more, to that of…

This dissertation uses the Conceptual Blending Hypothesis from the socio-cognitive method presented and refined by Kecskes (2002, 2004, 2007, 2010, 2020) to explain how the lexical choice of bilinguals differs across sociocultural situations. Quantitative (lexical density, lexical diversity, and lexical sophistication) and qualitative (lexical…

Since the 1990s, grammatical complexity is a topic that has received considerable attention in various fields of applied linguistics, such as English for academic purposes, second language acquisition, language testing, and second language writing (Bulte & Housen, 2012). Many scholars in applied linguistics have recently argued that…

A teacher's response is a key element in students' motivation and achievement in college writing courses. The area of Written Corrective Feedback (Ferris, 1999; Truscott, 1996) has been extensively studied in second language (L2) writing scholarship, but that research, to date, has not elucidated why individual instructors respond to students'…

This study investigated the influence of first language (L1) writing proficiency on second language (L2) writing ability among Saudi college students. The research was built on Cummins' common underlying proficiency theory and linguistic interdependence hypothesis, which advocate the L1's effect on L2 learning. Participants consisted of 38…

This dissertation examines the process of acquisition of semantic classes of reflexive verbs (RVs) in Russian by L2 learners with a native language English. The purpose of this study is to bridge the gap between current linguistic knowledge and the pedagogical literature existing in English on reflexives in Russian. RVs are taught partially and…

The dissertation investigates the effect of a concept-based approach to teaching the Chinese temporal system to English-speaking university learners at the elementary level. The pedagogical framework, Systematic-Theoretical Instruction (STI), adopted in this study was proposed by Piotr Gal'perin and originated from Vygotsky's…

I conducted this study to provide insights toward deepening understanding of association between culture and writing by building, assessing, and refining a conceptual model of second language writing. To do this, I examined culture and coherence as well as the relationship between them through a mixed methods research design. Coherence has been an…