Joel M. HektnerJoel M. Hektner is an Associate Professor in Human Development and Family Science at North Dakota State University. He holds a Ph.D. in Psychology: Human Development from the University of Chicago and an A.B. in psychology from Princeton Univesity. Before arriving at NDSU, Hektner was a research scientist in child and adolescent psychiatry at the University of Minnesota. He has used ESM to study  the developmental implications of longitudinal changes in adolescent experiences of flow and has written chapters on ESM in several books. In collaboration with students, he has conducted ESM studies of college students, adolescents in residential treatment, and LGB emerging adults. His research interests primarily involve family and peer factors that promote optimal development and evaluations of preventive interventions for antisocial behavior. He is presently working on strategies to strengthen positive peer culture among elementary and middle school children, and to promote more positive parent-child relations. Read More Read Less