This research examined how linguistic differences between African American English (AAE) and Mainstream American English (MAE) impact how children process sentences and learn new information. The central hypothesis of this dissertation is that these linguistic differences adversely impact how AAE-speaking children use contrastive inflectional verb…

This dissertation provides an in-depth linguistic description and analysis of the discourse in a target domain of digital games, a domain referred to as "single player offline role-playing games." Gaming discourse from this domain is represented by a 4.8-million-word corpus of spoken and written language extracted from the digital files…

Narrative is the art of conveying a sequence of causally and temporally linked events through monologic telling. Various functions can be served through narratives including sharing experiences, expressing ideas, providing entertainment, and imparting cultural or social values. Narrative language represents an authentic type of language that is…

Usage-based theories of language development underscore the importance of children using language to learn language. Few investigations have applied usage-based theories to dual language learners (DLLs), who comprise a growing share of children attending early education programs in the U.S. Three studies were carried out to investigate the role of…

This dissertation examines heritage language learners of Spanish enrolled in university Spanish courses, focusing on their strategic use of suprasegmental speech features in two speaking tasks. The research investigates attitudes' influence on heritage language learners' speech production in different task types. Participants engaged in two…

Interaction has received attention in different fields of applied linguistics. In the field of Second Language Acquisition (SLA), scholars have perceived interaction as a platform where L2 learners can engage in language experimentation. It has been considered in light of Long's (1981) Interaction Hypothesis, which posits that negotiation of…

This longitudinal case study investigated the developmental trajectories of two participants enrolled in an ITA oral communication course at Purdue University. The course provides language support to the ITA population who play a crucial role in higher education programs in the U.S. (Gorsuch, 2016). Over four months (i.e., one semester), I…

Bilingual children, the majority of whom are Spanish-English learners, now constitute over a third of the preschool population in the United States (Migration Policy Institute, 2021). Bilingual children and their families face multiple barriers to high-quality early childhood education, which are largely due to the underutilization of culturally…

The theory underlying L2 oral fluency has focused on cognitive processes, particularly proceduralization (Anderson, 1983; Levelt, 1989, 1999) and linguistic constructs, especially vocabulary and grammar (Segalowitz, 2010). Towell, Hawkins, and Bazergui (1996) argued that development of formulaic language enables automatic speech production.…

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…

This dissertation provides a comprehensive description of courtroom language as a register by exploring the situational and linguistic features of authentic and TV courtroom language, as well as four public sub-registers that occur within authentic and TV courtroom (opening statement, direct examinations, cross-examinations, closing argument). It…

It has long been recognized that collocations, or chunks of formulaic language, are essential and frequent in language (Henriksen, 2012; Sinclair, 2004). Therefore they are a crucial part of Second Language Acquisition (SLA). Linguistic scholars Pawley y Syder (1983: 192) remark that "in order to know a language, the [second language] (L2)…

The study examines formulaic politeness expressions used in Jordanian Arabic by looking into two salient features that characterize this set of idioms: figuration and traces of religious texts. One main goal is to explore the conceptual metaphors that are represented in these idioms and show their coherence and consistency with cultural values.…

The purpose of this study was to explore the linguistic architecture of instructional language used during first grade read aloud lessons. The participants were from the CTL Year-3 Read Aloud study. The study's random assignment created 20 teachers in the treatment group and 19 teachers in the control group. My study investigated the variability…

This dissertation presents the results of a tripartite exploration of English use by Latinxs in post-Katrina New Orleans, defined here as an ethnolinguistic repertoire that I call New Orleans Latinx English (NOLAE). The project considers how contemporary English use differs from that found in a pre-Katrina sample, how social network geometry…