Mathematica Policy Research, Inc., and was an American Statistical Association/ National Science Foundation research fellow at the Bureau of the Census. For the committee, she has served as study director for numerous panels, including the Panel on Poverty and Family Assistance, the Panel to Evaluate the Survey of Income and Program Participation, the Panel to Evaluate Microsimulation Models for Social Welfare Programs, and the Panel on Decennial Census Methodology. Her research has focused on the quality and accessibility of large, complex microdata files, as well as analysis related to income and poverty measurement. She is a fellow of the American Statistical Association. She received a B.A. degree from the University of Rochester and M.A. and Ph.D. degrees in political science from Yale University.

THOMAS CORBETT is associate director of the Institute for Research on Poverty and an assistant professor in the School of Social Work at the University of Wisconsin, Madison. Corbett has been involved at all levels of government in policy analysis and the development and evaluation of social welfare programs for more than 2 decades. His research activities have focused on program administration and implementation and on the historical evolution of welfare issues, policies, and strategies in the United States. He received his Ph.D. in social welfare from the University of Wisconsin, Madison.

JOHN L. CZAJKA is a senior sociologist at Mathematica Policy Research, Inc. Much of his research has focused on statistical uses of administrative records and the design and analysis of longitudinal data. He is a member of the American Statistical Association, the Population Association of America, and the Washington Statistical Society. Czajka received a B.A. degree in government from Harvard University and a Ph.D. in sociology from the University of Michigan.

KATHRYN EDIN is an assistant professor of the Department of Sociology and the Population Studies Center at the University of Pennsylvania. Before joining the university, she was assistant professor of the Department of Sociology and Center for Urban Policy Research at Rutgers University and a visiting scholar at the Russell Sage Foundation. Her research interests include qualitative methods, public policy, and urban and community sociology. Edin is also an associate fellow of the Institute for Research on Poverty at the University of Wisconsin, Madison. She received an M.A. and a Ph.D. in sociology from Northwestern University.

IRWIN GARFINKEL is the Mitchell I. Ginsburg professor of contemporary urban problems at the Columbia University School of Social Work. Previous positions held include professor and director of the school of social work and research member and director of the Institute for Research on Poverty at the University of Wisconsin, Madison. He is also an affiliate of the Institute for



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement