While assigning student roles is a popular technique in online discussions, roles and the responsibilities allocated to them have not been consistently assigned. This makes it difficult to compare implementations and generate principled guidance for role design. This study critically examined frequently assigned student roles and identified a set…

Case-based learning has long been used to bring students into contact with the complexity of real-world situations. Despite this popularity and considerable history, research into how case analysis can support future problem-solving has been limited. The study reported in this paper investigated learners' understanding of multimedia instructional…