Gilbert Gottlieb's formative role in establishing a science of experimental behavioral embryology is described. His experimental program on the development of species identification served as a model for developmental psychobiologists seeking alternatives to the nature-nurture dichotomies prevalent in the 20th century. Two of the major concepts…

Changes from the expected life course can arise from at least three different reasons in longitudinal work: developmental novelty, errors in diagnosis, and errors in expectation. This longitudinal study examined the social development of 220 fourth graders and 475 seventh graders over a period of 10 years with over 98 percent of the original…

Noting that although there have been admirable initiatives in public health, education, pediatrics, and the law to improve the lot of children, few have tried to identify the fundamental requirements of a healthy childhood, this book explores seven needs of infants and young children and their families that provide the fundamental building blocks…