Background and Context: In spite of the decades spent developing software visualization (SV), doubts still remain regarding their effectiveness. Furthermore, student engagement plays an important role in improving SV effectiveness as it is correlated with many positive academic outcomes. It has been shown that the existing SV has failed to engage…

Reviews research on interactive computer learning. Examines the extent to which learner-computer interaction and learner-learner interaction can interfere with or support one another. Finds that viewing collaborative learning as joint negotiation of a common problem helps to define optimal characteristics of educational software. (CFR)