The institutional machine of contemporary activity theory currently appears to be constrained by centring on the structure of mediated activity first voiced by Vygotsky. As a centring, such a principle, it is argued, continually restores the equilibrium of the institutional machine in alignment with its possible development in the polysemy of…

This book introduces the concept of leadership as the facilitation of constructivist reciprocal processes among participants in an educational community. Chapter 1, "Learning and Leading Theory: A Century in the Making," (Deborah Walker and Linda Lambert) traces the dynamic history of learning and leading during this century, concluding…

Critically examines papers by Wellman and Estes, Olson and Torrance, and Hall and Nagy. (AEW)

Supported is the argument that cognitive development should not be studied alone, in isolation from wider questions about the history of thought in the scientific community. Interest in the topic resulted from dissatisfaction with British secondary school Language-for-Learning movement assertions that learners' active use of their own speech and…

This paper argues that formal and explicit instruction and learners' prior knowledge play a crucial role in teaching and learning English as a second language (ESL), and that a pure communicative approach is inadequate in achieving optimum results. The discussion is presented in two parts. The first outlines the issues under consideration,…