There has been extensive research using centrality measures in educational settings. One of the most common lines of such research has tested network centrality measures as indicators of success. The increasing interest in centrality measures has been kindled by the proliferation of learning analytics. Previous works have been dominated by…

A large number of studies in CMC have assessed how social interaction, processes and learning outcomes are intertwined. The present research explores how the degree of self-determination of learners, that is the motivational orientation of a learner, influences the communication and interaction patterns in an online Problem Based Learning…

The objectives of this project were to: i) describe the experience of implementing Problem-Based Learning in an online course over three consecutive academic years, ii) analyse the learning environment generated, iii) discuss impacts on students' active participation, based on the analysis of their interactions. The participants were 30 students,…

Designing and implementing pedagogies that support collaborative groupwork experiences and which also incorporate the use of information and communications technology is a commonplace, yet complex, task. This article describes a case study that uncovered problems with such an approach that employed interdisciplinary group projects in an…