The study presented here is interested in understanding the ways in which social interaction in technology-mediated institutional settings is constrained and afforded by what Pennycook defines as "critical moments" in the educational experience. Drawing on Social Learning Analytics and on the concepts of heteroglossia, contingency and…

The study presented in this article explores the ways in which discursive-technologies shape interaction in "digitally-mediated" educational settings in terms of affordances and constraints for the participants. Our multi-scale sociocultural-dialogical analysis of the interactional order in the online sessions of an "Italian for…