Researchers claim that pedagogical agents engender opportunities for social learning in digital environments. Prior literature, however, has not thoroughly examined the discourse between agents and learners. To address this gap, we analyzed a data corpus of interactions between agents and learners using open coding methods. Analysis revealed that:…

Many consider rich argumentation to be the core of quality discussions and view it as a vehicle to solving problems and clarifying content. This study examined the influence of a discussion leader intervention on the quality of online argumentation and interactivity. Subjects were 44 undergraduate students who participated in online discussions on…