administered in several countries. He holds a Ph.D. in psychology from Vanderbilt University.

Frank Bean is chancellor’s professor in the School of Social Sciences and director of the Center for Research on Immigration, Population, and Public Policy at the University of California at Irvine. Previously, he served as Ashbel Smith professor of sociology and public affairs and director of the Population Research Center at the University of Texas at Austin. He has been a visiting scholar at the Australian National University, the American Academy in Berlin, and the Russell Sage Foundation, as well as distinguished senior visiting fellow at the College Consortium for International Studies and the Center for U.S.-Mexico Relations at the University of California at San Diego. His current research focuses on the implications of U.S. immigration policies, Mexican immigrant incorporation, the implications of immigration for changing race/ethnicity in the United States, the determinants and health consequences of immigrant naturalization, and the development of new estimates of unauthorized immigration and emigration. He is a member of Phi Beta Kappa, Phi Kappa Phi, and the Council on Foreign Relations. He holds a Ph.D. from Duke University.

David Francis is Hugh Roy and Lillie Cranz Cullen distinguished professor and chair of the Department of Psychology at the University of Houston and a recipient of the university’s Teaching Excellence Award. His areas of quantitative interest include modeling of individual growth, multilevel and mixture modeling, structural equation modeling, item response theory, and exploratory data analysis. His current research includes work supported by the National Institute of Child Health and Human Development, the Institute of Education Sciences, the National Institute of Deafness and Communication Disorders, the Texas Education Agency, and the Houston Livestock Show and Rodeo. He is a fellow of Division 5 (measurement, evaluation, and statistics) of the American Psychology Association. He holds a Ph.D. in clinical neuropsychology from the University of Houston.

Edward Haertel is Jacks Family professor and associate dean for faculty affairs at the School of Education at Stanford University. His research centers on policy uses of achievement test data; the measurement of school learning; statistical issues in testing and accountability systems; and the impact of testing on curriculum and instruction. He has been closely involved in the creation and maintenance of California’s school accountability system both before and after passage of the No Child Left Behind Act and has served on advisory committees for other states and for testing companies. In addition to technical issues in designing accountability systems and quantifying their precision, he is concerned with validity arguments for high-stakes testing, the logic and implementation of standard setting methods, and comparisons of trends on different tests and in different reporting metrics. He has served on numerous