The idea of social capital as the value obtainable from an individual's social relationships has been used to study many organizational and social settings, but rarely virtual environments. We used data from an online higher education institution to examine how an individual's social capital derived from her position in the social structure…

Online learning environments afford opportunities for participation and equally offer a new perspective on engaging vicariously. Drawing on the concept of vicarious learning and taking account of the roles of input and interaction for language development, this paper reports on an enquiry into students' retrospective use of recorded group…

There is an increasing development of courses and course components taught through teaching and learning dialogues online yet there is little secure knowledge regarding the educational quality of these dialogues. Drawing on contemporary sociocultural research, this paper adapts a well-established analytical framework (see Mercer, 1995) that has…