How are we to understand the complex forces that shape human be- havior? A variety of diverse perspectives, drawing on studies of human behavioral ontogeny, as well as humanity's evolutionary heritage, seem to provide the best likelihood of success. It is in an attempt to synthesize such potentially disparate approaches to human development into an integrated whole that we undertake this series on the genesis of behav- ior. In many respects, the incredible burgeoning of research in child development over the last decade or two seems like a thousand lines of inquiry spreading outward in an...

Since the first edition of this volume was published in 1976, interest in the problem of intelligence in general and infant intelligence in particu- lar has continued to grow. The response to the first edition was hearten- ing: many readers found it a source of information for the diverse areas of study in infant intelligence. Because of the success of that volume, we have decided to issue a second edition. This edition is in many ways both similar to and different from the first. Its similarity lies in the fact that many of the themes and many of the contributors remain the same. Its...

How are we to understand the complex forces that shape human behav- ior? A variety of diverse perspectives, drawing on studies of human behavioral ontogeny, as well as humanity's evolutionary heritage, seem to provide the best likelihood of success. It is in an attempt to synthesize such potentially disparate approaches to human development into an integrated whole that we undertake this series on the genesis of beh- ior. In many respects, the incredible burgeoning of research in child development over the last two decades or so seems like a thousand lines of inquiry spreading outward in an...