Aphasia, language disorder after acquired brain injury, is a chronic condition negatively impacting functional communication and quality of life. More than two million individuals in the United States have aphasia and the most common cause of aphasia is stroke. Further understanding of post-stroke aphasia will ultimately allow for development of…

Engagement in online classes can promote student success but can be met with challenges associated with students feeling isolated from their peers, their instructors, or the course when learning online. Building opportunities for student interaction is one way to combat this isolation. A common activity in online courses that allows for student…

Discourse markers (DMs) are linguistic forms characterized by their use as conversation organizers or pause fillers (Fox Tree, 2010). Although used frequently in both speech and writing, DMs are not often taught in L2 classrooms, despite incorrect usage causing potential misunderstandings (Polat, 2011). Additionally, L2 learners have been observed…

This dissertation explores four Korean discourse markers derived from question words: "mwe" (what), "way" (why), "ettehkey" (how), and "mwusun" (which; what kind of). Most Korean question words have an additional function as indefinite words that refer to a nonspecific referent (Kim, 2000; Yang, 2005). In…

Vocabulary and communication are essential components of mathematics that should be addressed in the classroom. Knowledge of mathematical vocabulary has been argued as a necessary building block for students to engage in purposeful discourse. However, previous studies primarily focus on vocabulary instruction strategies specifically for English…

Much research has examined how different patterns of social interaction shape language learners' interactional roles (e.g., collaborative, dominant, passive) in peer-to-peer conversations. However, little or no research has investigated the co-construction of such roles in multiparty, online task-based dialogues within the framework of discursive…