There is considerable agreement about the fact that the presence of researchers in the classroom mediates teaching and learning. Why "should" two very different forms of human activity, one designed to study the other, interact and mediate each other? In this article, we propose cultural-historical activity theory as a framework for understanding…

This exploratory study analyzes how students use different communication modes to share information, negotiate meaning and construct knowledge in the process of doing a group learning activity in a Primary Grade 5 blended learning environment in Singapore. Small groups of students interacted face-to-face over a computer-mediated communication…