Michael is one of the three principal investigators for the National Health and Social Life Survey.He helped oversee the nation's first scientific study of sexual practices, which was conducted in 1994 and focuses on the risks of AIDS and general patterns of sexual conduct.He and his University of Chicago colleague Edward O. Laumann have edited and released a third book on sexual behavior, Sex, Love and Health in America: Private Choices and Public Policies, which goes into deeper analysis on the large-scale survey of adult sexual behavior in the United States.With Laumann and sociologist John H. Gagnon, he is co-author of two other books on this research: Sex in America: A Definitive Survey (with Gina Kolata; Little, Brown and Co., 1994), and The Social Organization of Sexuality (with Stuart Michaels; University of Chicago Press, 1994). In the area of family economics, Michael has written on the causes of divorce, the reasons for the growth of one-person households, the impact of inflation on families, and the effects of the rise in women's employment on children and families. Michael served as chairman of the National Research Council's Panel on Poverty and Family Assistance, which recommended major changes in the official measure of poverty in the United States. Michael served 2 terms as dean of the Harris School, from 1989 to 2002, during which time he helped establish the School as a leading research center on public policy. A faculty member since 1980, Michael has conducted pioneering research at the University. In addition to his faculty appointment, he has served as chairman of the National Opinion Research Center from 1984 to 1989 and as Deputy Director of the University of Chicago/Northwestern University Joint Center for Poverty Research from its establishment in 1996 to 1997.