Most contributions to this volume originated as papers given at an inter national conference on Integrative Perspectives on Youth Development held in Berlin (West) in May, 1983. This conference was part of a 6-year longi tudinal research program on the causes of substance use among adolescents in Berlin, which is now in its fourth year. The conference title deliberately did not refer to substance use. However, its relevance to an explanation of drug-related problem behavior was made evident to everyone invited to the conference. The search for integrative perspectives in youth development originated in a dilemma that became obvious during the planning of intensive research on concomitants of substance use. In the methodology for research on youth development, there were two lines of thought that seemed completely unre lated to each other: One line of thought was oriented toward the person, leaving situational aspects aside, while the other concentrated on ecological or situational determinants and thus neglected the aspects of development and internal processes. The integration of both these directions seemed to be an unusually promising approach for any project that aimed to understand changes in the individual within a rapidly changing urban setting. The best way to come closer to a resolution of that dilemma seemed to be an intensive exchange between the American and European scientific communities on this issue.

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 shifts in approach. Activities are studied as they naturally occur in everyday contexts. Children's active construction of the world around them is treated as fundamentally social in nature, occurring in families, with peers, and in cultures. Behavior is studied not as something disembodied but within a rich matrix of body, emotion, belief, value, and physical world. Behavior is analyzed as changing dynamically, not only over seconds and minutes, but over hours, days, and years.

This is a book about the development of action and skill in the first years of life. But it differs in an important way from most past treatments of the subject. The present volume explores how the development of ac tion is related to the contexts, especially the social ones, in which actions function. In past work, little attention has focused on this relationship. The prevailing view has been that infants develop skills on their own, independent of contributions from other individuals or the surrounding culture. The present volume is a challenge to that view. It is based on the premise that many early skills are embedded in interpersonal activities or are influenced by the activities of other individuals. It assumes further that by examining how skills function in interpersonal contexts, insights will be gained into their acquisition and structuring. In effect, this vol ume suggests that the development of cognitive, perceptual, and motor skills needs to be reexamined in relation to the goals and contexts that are inherently associated with these skills. The contributors to the vol ume have all adopted this general perspective. They seek to understand the development of early action by considering the functioning of action in context. Our motivation for addressing these issues stemmed in part from a growing sense of dissatisfaction as we surveyed the literature on skill development in early childhood.

Traditionally, developmental psychology has its focus on individuals. Developmentalists aim to describe regularities in individuals' change and development across time, to explain the processes and mechanisms that are involved in producing change and regularity, and eventually, to design strategies for optimization and modification of developmental pathways. Although the role of contexts has always been of central concern for these purposes, it is nevertheless quite surprising to note that compared to the effort devoted to individuals, relatively little attention has been paid to the study of the nature and organization of their contexts. This volume is an exploration of the idea that how we describe and explain human development will be closely tied to our understanding of what contexts are, how individuals and contexts become influential for one another, what contexts do to and with individuals, and how contexts and their influences change themselves across time. A major theme is whether the traditional dichotomy between individuals and their contexts may be artificial, perhaps culturally biased, and after psychologists have adhered to it for about a century, may have become an impediment to increasing our understanding of developmental processes. With this volume, the editors contribute a serious consideration of development and systematic change to emerging models of person-context relations, and provide suggestions about how it may be possible to incorporate these notions in developmental research and theorizing.

This volume presents the reader with a stimulating rich tapestry of essays exploring the nature of action and intentionality, and discussing their role in human development. As the contributions make clear, action is an integrative concept that forms the bridge between our psychological, biological, and sociocultural worlds. Action is also integrative in the sense of entailing motivational, emotional, and cognitive systems, and this integration too is well represented in the chapters. Action is defined, and distinguished from behavior, according to its intentional quality. Thus, a constantly recurring theme in the volume involves the dialectic of action-intentionality, and specifically the questions of how and when these concepts are to be distinguished. For action theorists, action—as distinguished from behavior—constitutes the fundamental mechanism of human development. This commitment is detailed in several essays that explore the life-span implications of action. This timely volume will be must reading for all who want to learn about, or stay current with, contemporary action theoretical approaches to human development. – Willis F. Overton, Temple University The present volume advances the view that we cannot go far in understanding development over the life span without paying heed to self-reflective processes. In a reciprocal way, self-reflection links developmental change in the ways in which the person constructs his or her own development over the life span. Development, action, and intentionality exist, then, in an intimate relationship: As development forms the social and historical settings within which intentional activity is embedded, thus become indispensable categories for developmental theory and research. Due to their potential to integrate culture, history, and personality, action-theoretical concepts have made strong inroads in many areas of social and behavioral research. Within the field of developmental psychology, researchers have come to recognize that developmental patterns, and their variation across historical and social contexts, cannot easily be reduced to invariant laws. Instead, they reflect the agency of both the culture and the person. Issues of intentional self-development gain particular importance within the developmental settings of modernity. Under conditions of cultural acceleration, globalization, and pluralization of life forms, normative "scripts" and timetables of development have become blurred, and people are increasingly forced to take a planful, self-monitoring, and optimizing stance toward their own behavior and development. As will become evident throughout this ground-breaking book, an action perspective on development covers a broad spectrum of theoretical approaches. Concepts such as "personal goals," "personal projects," "life themes," "meaning," "life planning," "compensation," or "intentional self-development" have become the nuclei of innovative research programs. The chapters collected in this volume, by scholars on the forefront of action theory and research, provide an indication of the promise that these notions hold for life-span developmental psychology, motivation research, and research on aging.

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 shifts in approach. Activities are studied as they naturally occur in everyday contexts. Children's active construction of the world around them is treated as fundamentally social in nature, occurring in families, with peers, and in cultures. Behavior is studied not as something disembodied but within a rich matrix of body, emotion, belief, value, and physical world. Behavior is analyzed as changing dynamically, not only over seconds and minutes, but over hours, days, and years.