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…

The study is based on a secondary analysis of data from the 3rd year of the Scientific Literacy Project (SLP), a federally funded research project that examines how kindergarten students learn science in inquiry settings (Mantzicopoulos, Patrick, & Samarapungavan, 2005). Videotapes of classroom lessons implemented as part of the Year 3…

Geographically dispersed teams rely on information and communication technologies (ICTs) to communicate and collaborate. Three ICTs that have received attention are audio conferencing (AC), video conferencing (VC), and, recently, 3D virtual environments (3D VEs). These ICTs offer modes of communication that differ primarily in the number and type…