Most educators are familiar with Lev Vygotsky's concept of the "zone of proximal development," yet the bulk of Vygotsky's pioneering theory of cognitive development largely remains unknown. This volume provides a systematic, authoritative overview of Vygotsky's work and its implications for educational research and practice. Major topics include…

This book is a rare peek into the divergent--and at times contentious--points of view among world's leading researchers on what the condition of mental retardation is and how it should be defined, measured, and implemented in the 21st century. It is a candid and insightful collection of essays from experts on issues ranging from whether mental…

Discussed are the results of a study which suggests that people remember more mathematics and other high school material when learning occurs spaced out over several years and when each subsequent session involves broader applications of previously learned information. Highlights of this study and related studies are presented. (CW)

Based on extensive research with children and young adults, this book examines adaptive and maladaptive cognitive-motivational patterns and shows how these patterns originate in people's self theories; their consequences for one's achievement, social relationships, and emotional well-being; their consequences for society; and the experiences that…