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…

Research in Mexican and British schools provides an empirical basis for arguing that, by the use of certain kinds of interactional strategies, teachers can enable children to become more able in managing individual and joint reasoning and learning activities in the classroom. The research described is based on a sociocultural conception and…

Proposes an approach to teaching reasoning through classroom conversation that integrates group work around computers into curriculum-related activities. The article examines research on collaborative learning and describes a program in which the computer is used to direct children's explicit, joint reasoning in curriculum-related activities. (79…