This dissertation compares the impact of instructor screencast feedback and instructor written feedback on the writing of college students in freshman composition courses. A mixed methods study was used to assess the level of improvement between drafts of essays, the final scores of essays, and the level of improvement over time for both types of…

This dissertation study sought to examine how the video mode of response, compared to the written mode, affects MLW students' writing development and how MLW students perceive the use of video response in their FYC classroom. To that end, this study drew upon a mixed method approach, combining a quasi-experiment and interview method. Participants…

Young deaf learners often have difficulty mastering the important skill of decoding print and developing phonological awareness necessary to become successful readers. The research question for the study was: How do K-2 deaf learners demonstrate literacy development when teachers of the deaf use instructional video with visual portrayals of…

Students who are deaf and use sign language frequently have language delays that affect their literacy skills. Students who use American Sign Language (ASL) often lack fluent language models in both the home and school settings, delaying both the development of a first language and the development of literacy in printed English. Mediated and…

To address the need for reform in undergraduate science education a new instructional model called "Argument-Driven Inquiry" (ADI) was developed and then implemented in a undergraduate chemistry course at a community college in the southeastern United States (Sampson, Walker, & Grooms, 2009; Walker, Sampson, & Zimmerman, in press). The ADI…

Contemporary mathematics education reform has placed increased emphasis on K-12 mathematics curriculum. Reform-based curricula, often referred to as "Standards-based" due to philosophical alignment with the NCTM Process Standards, have generated controversy among families, educators, and researchers. The mathematics education research…

Increasing numbers of English language learners enrolled in public schools has brought national attention to issues surrounding the education of linguistically diverse students. Teacher education programs have come under scrutiny for not doing an "adequate job of preparing teachers to teach diverse populations" (Hollins & Guzman,…

Science classrooms in the United States have become more diverse with respect to the variety of languages spoken by students. This qualitative study used ethnographic methods to investigate the discourse and practices of two ninth grade science classrooms. Approximately 44% of students included in the study were designated as English learners. The…