The linked concepts of "scaffolding" and the Zone of Proximal Development (ZPD) were originally applied to the context of asymmetrical teaching and learning with a teacher or adult explicitly supporting a learner, usually a child, to achieve tasks beyond their ability when working alone. In this paper we investigate how these concepts…

In this paper, we describe and discuss an information and communication technology (ICT)-based intervention designed to improve secondary school students' "revision" (in contrast to "learning") of physics concepts. We show that students' engagement in joint activities via our ICT-based intervention can provide them (and their…

In this article, we provide a discussion on our revision method (termed "prescriptive tutoring") aimed at revealing students' misconceptions and misunderstandings by getting them to solve physics problems with an anonymous partner via the computer. It is currently being implemented and evaluated in a public secondary school in Singapore,…