ALAN BOOTH is Professor of Sociology and Human Development at Pennsylvania State University. He is former editor of the Journal of Marriage and the Family. He has published numerous scholarly articles and books, including Generation at Risk: Growing up in an Era of Family Upheaval (with Paul Amata, 1997). ANN C. CROUTER is Professor of Human Development at Pennsylvania State University. Her interests focus on the ways in which parents' work circumstances influence childrearing and the development of school-aged children and adolescents. She is Deputy Editor of Journal of Marriage and the Family and has published several articles and books, including Pathways through Adolescence: Individual Development in Relation to Social Contexts (with L.J. Crockett, 1995). MICHAEL J. SHANAHAN is Assistant Professor of Human Development and Family Studies at Pennsylvania State University. His research reflects an interest in economic change and individual development and includes studies of children in poverty, adolescent work experiences, and historical patterns in adult attainment. He is coeditor of Comparisons in Human Development: Understanding Time and Context (with J. Tudge and J. Valsiner, 1996).