Intriguing information about twins, adoptions and other family relationships is offered in this volume, which explores how genes and environment act jointly to

How we raise young children is one of today's most highly personalized and sharply politicized issues, in part because each of us can claim some level of "exper

This volume examines behavioral genetic research on temperament and personality from a number of perspectives. It takes a developmental perspective on a number

This volume reports on a study of 850 pairs of twins who were tested to determine the influence of heredity and environment on individual differences in persona

The diversity of human behavior is one of the most fascinating aspects of human biology. What makes our individual attitudes, lifestyle and personalities differ