In this volume leading developmentalists address the question of how children's thinking develops in context by drawing on the theories of Vygotsky, Gibson, and Piaget. Analyses of the ecology and the dynamics of behavior have become popular, emphasizing the particulars of people acting in specific environments and the many complex factors of human body and mind that contribute to action and thought. This volume brings together many of the current efforts to deal with development in this richly ecological, dynamic way. The research reported demonstrates that recent years have produced major...