We compared classroom interactions during two episodes in a seventh grade virtual mathematics class. Both episodes were drawn from virtual live lessons utilizing different lesson layouts. We investigated how mathematical knowledge was negotiated in both episodes. The results show that the layout of live lessons had an effect on how students shared…

Online learning has seen an explosive growth at the K-12 level, however little research has used an experimental design approach to specifically examine the outcomes of delivery methods. This study examines what effect learning in an immersive learning environment (virtual world) has on student achievement and satisfaction with the lesson. To…

Argumentative activity has been found beneficial for construction of knowledge and evaluation of information in some conditions. Many theorists in CSCL and some empiricists have suggested that graphical representations may help in this endeavor. In the present study, we examine effects of type of ontology and of synchronicity in students that…