of criminology and criminal justice at the University of Maryland, College Park. He is also a senior fellow at the Police Foundation and chair of its Research Advisory Committee. He has also served as research associate at Yale Law School, senior research associate at the Vera Institute of Justice, associate professor at the School of Criminal Justice at Rutgers University, and director of the Center for Crime Prevention Studies. Professor Weisburd is a fellow of the American Society of Criminology and the Academy of Experimental Criminology. He has served as a principal investigator for a number of federally supported research studies and as a scientific and statistical advisor to local, national, and international organizations. He is author or editor of 11 books and more than 60 scientific articles covering a broad array of topics in crime and justice, including many that deal with methodological or statistical applications in criminal justice research. Professor Weisburd is the founding editor of the Journal of Experimental Criminology and coeditor of the Israel Law Review. He received his Ph.D. from Yale University.

CAROL V. PETRIE (Project Director) is the staff director of the Committee on Law and Justice at the National Research Council, a position she has held since 1997. Prior to that, she was the director of planning and management at the National Institute of Justice, responsible for policy development and administration. In 1994, she served as the acting director of the National Institute of Justice during the transition between the Bush and Clinton administrations. Throughout a 30-year career, she has worked in the area of criminal justice research, statistics, and public policy, serving as a project officer and in administration at the National Institute of Justice and at the Bureau of Justice Statistics. She has conducted research on violence and managed numerous research projects on the development of criminal behavior, policy on illegal drugs, domestic violence, child abuse and neglect, transnational crime, and improving the operations of the criminal justice system. She has a B.S. in education from Kent State University.