This article reports on key aspects of a theory generative study into social presence in text-based online learning environments. The focus of the article is the nature of social presence as experienced by online learners in those environments. Employing a collective case study design, the study accessed online learners' experience-based heuristic…

This study examined the effects of pre-structuring discussion threads on group performance in computer-supported collaborative argumentation where students labeled their messages as arguments, challenges, supporting evidence, and explanations on a threaded discussion board. In the pre-structured group students were required to post supporting and…