Researchers have argued that Twitter has potential to support high-quality professional development (PD) that can respond to teachers' questions and concerns just in time and "on the spot." Yet, very little attention has been paid to instances where Twitter has made just-in-time learning possible. In this paper, we examine one instance…

Previous research into enhancing children's educational dialogues during group work has recognised the role of teachers in modelling dialogue and guiding their students' engagement in reasoning. Whole-class plenaries also offer teachers such opportunities but the technological support of dialogue in plenaries remains relatively unexplored. The…

Using a discourse analytic qualitative approach, we investigated the naturally-occurring discourse that arose as part of two kinds of regular course activities, synchronous and asynchronous computer-mediated discussions. The messages contributed by members of a graduate course were analyzed for the kind of discourse functions and the kind of…

In June 1994, the Texas Center for Educational Technology (TCET) posted a survey on several educational listservs and conference groups on the Internet requesting comments, observations, and opinions from educators having experience with telephones in classrooms. Most of the respondents agreed on the need to equip K-12 classrooms with modern…