Social Network Analysis (SNA) has enabled researchers to understand and optimize the key dimensions of collaborative learning. A majority of SNA research has so far used static networks, i.e., aggregated networks that compile interactions without considering "when" certain activities or relationships occurred. Compressing a temporal…

Authentic dialogue demands that we respond, interpret and sometimes disagree with others' ideas--a key component of participation in a democratic society. Yet the sharing and uptake of different ideas can be hampered by traditional online platforms which divide students into isolated threads. To tackle this issue, we introduce two novel online…

The rapid development of computer-supported collaborative environments has highlighted the need for collaborative knowledge construction devices. Because most available mindtools do not promote collaboration, there is a need for social mindtools that can be used in collaborative learning situations. We have used activity theory as a conceptual…