W. Andrew Collins is Morse-Alumni Distinguished Teaching Professor of Child Development and Psychology at the University of Minnesota. A graduate of Stanford University, Dr. Collins conducts research on parent and peer relationships and influences during adolescence and young adulthood. He is principal investigator of the Minnesota Longitudinal Study of Parents and Children, in which participants have been followed from birth to age 34. Currently editor of the Monographs of the Society for Research in Child Development, he is a fellow of both the American Psychological Association and the American Psychological Society. He served as president of the Society for Research on Adolescence from… 2000-2002. Dr. Collins has edited or co-edited several books and monographs and has contributed numerous book and handbook chapters, as well as articles in scholarly journals.