A number of studies have evidenced that handheld devices are appropriate tools to facilitate face-to-face collaborative learning effectively because of the possibility of ample social interactions. Group Area Network, or GroupNet, proposed in this paper, uses handheld devices to fill the gap between Local Area Network and Body Area Network.…

Designer support is critical for facilitating collaboration and knowledge construction in an online learning environment. Designer support in this paper refers to the mechanisms that a designer builds in a technology-mediated environment to facilitate online learning. This paper focuses on two aspects of designer support: 1) creating a shared…