Informed by sociocultural theories, collaborative writing (CW), a writing activity that involved two or more writers who share and exchange knowledge and negotiate decision-making to complete a single written text (Storch, 2002, 2013), has been found to benefit the second language (L2) students' language learning by a substantial body of empirical…

This dissertation reports on the evaluation of a computer-mediated collaborative animation description task, where synchronous corrective feedback (SCF) serves as the primary source for grammar learning. The evaluation was conducted in an English-as-a-Second-Language (ESL) writing program at a large research university in the United States. Using…

Collaborative functionality is changing the way information is amassed, refined, and disseminated in online environments. A subclass of these systems characterized by "open collaboration" uniquely allow participants to "modify" content with low barriers-to-entry. A prominent example and our case study, English Wikipedia,…

This narrative inquiry collective case study investigated the experiences of six sixth grade American Indian males of the Lumbee tribe who struggle with reading. Bounded within an asynchronous closed wiki site, students from three sixth grade classes participated in online threaded discussions and created, posted, and viewed multimedia projects…

Social media provide a multitude of opportunities for knowledge contribution and sharing. However, the content reliability issue has caused comprehensive attention, especially on credible social media, such as Wikipedia. Despite Wikipedia's success with the open editing model, dissenting voices give rise to unreliable content due to two…

When major news breaks in our hyper-connected society, we increasingly turn to an encyclopedia for the latest information. Wikipedia's coverage of breaking news events attracts unique levels of attention; the articles with the most page views, edits, and contributors in any given month since 2003 are related to current events. Extant…

In 2006, the U.S. Department of Education commissioned a report called, "Charting the Future of U.S. Higher Education", asking educators to, "...test new teaching methods, content deliveries, and innovative pedagogies using technology-based collaborative applications" (p. 6). Fittingly, technology-based collaborative…

The purpose of this study was to explore the codependencies of the social and technical structures that yield Wikipedia the website and Wikipedia the community. In doing so, the research investigated the implications of such a sociotechnical system for the maintenance of the project and the emergence of collective intelligence. Using a theoretical…

This dissertation is a study of scientific collaboration at the Center for Embedded Networked Sensing (CENS), a modern, multi-disciplinary, distributed laboratory involved in sensor network research. By use of survey research and network analysis, this dissertation examines the collaborative ecology of CENS in terms of three networks of…