There is a lack of research about the effective methods English language learners' (ELLs) teachers can use to motivate students to learn English as a second language by transmitting the importance and how they ensure successful student outcomes in all four language domains. Data that leads to effective motivational methods for English language…

The Null Subject Parameter (NSP) has long been considered pertinent to Second Language Acquisition (SLA) studies, especially when the native language (NL) and target language (TL) have different NSP settings. The study aimed to investigate whether seventy English L2 learners in Puerto Rico who were native Spanish speakers transferred their L1…

A vast amount of Latina/o/x students enroll in US public schools with the potential to become bilingual in English and Spanish. However, this potential is often dismissed, ignored, and their Spanish is perceived as a problem to be overcome. Despite this, some Latina/o/x bilingual students decide to become Spanish as a Heritage Language (SHL)…

This study examined the significance of the mode of delivery--aural versus written--in second language (L2) vocabulary knowledge and L2 comprehension skills. One of the unique aspects of listening comprehension that sets it apart from reading comprehension is the mode of delivery--language input is delivered not visually but aurally. Somewhat…

The current study investigated the nature of second language (L2) learning influence on first language (L1) production and perception by systematically examining several L1 and L2 related factors (L1:L2 relative dominance, L2 production and perception acuity, and learning context) and their effect on L1 change. It is the first of its kind in…

Language placement test serve with multiple purposes to measure the language abilities and performance of language learners to place them in the most appropriate language course with curriculum that best meets the language needs. There is the need to assess appropriately the Spanish heritage language learners' (SHLLs) abilities at the high-school…

The purpose of this qualitative case study was to explore how beginner English Language Learners (ELLs) at the high school level were able to develop literacy skills in English by working collaboratively, accessing content presented which employed multimedia and multimodal resources, and expressing their learning through similar modes. The…

The present project is a research-based and practice-tested online synchronous curriculum for English language learners with the Russian language mother tongue. The curriculum's theoretical component is grounded in Vygotsky's, Leont'ev', and Engestrom's "Cultural Historical Activity Theory" as well as in scholarly papers on the influence…

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…

There is difficulty in defining the profile of a Heritage Language Learner (HLL) due to the experiences with language that individuals face in their social and academic world. There are questions centered on whether a categorical distinction between the native speaker and the native user can be upheld; this is inherently problematic when there is…

This study examines the second language acquisition of the evidentiality requirement in the Korean psychological state of mind expressions. When an experiencer of the psychological state of mind is different from the speaker, Korean language requires an evidential expression to the psychological predicate so that the speaker indicates the source…

Despite the fact that American Sign Language (ASL) courses at the college-level have been increasing in frequency, little is understood about the capabilities of hearing individuals learning a sign language as a second language. This study aims to begin assessing the language skills of advanced L2 learners of ASL by comparing L2 signer productions…

Using a sequential mixed-methods design, this study examined the differences between two native language groups--those with an East Asian language background and those with a Romance language background--in regard to reading subskills as represented in the Michigan English Language Assessment Battery (MELAB) reading test, so as to provide…