Dr. Arnett earned a B.S. in psychology from Michigan State University in 1980, and an M.A. and Ph.D. in developmental psychology from the University of Virginia in 1985 and 1986.
Dr. Arnett is the originator of the theory of emerging adulthood (human development from age 18-29) and has written many articles and books on this topic. In addition to emerging adulthood, his other scholarly interests include media uses in adolescence, the psychology of globalization, and responses to cigarette advertising.