Leadership

Larry V. Hedges Ph.D.
Board of Trustees Professor of Statistics and Policy Research
Institute for Policy Research
Northwestern University

Larry Hedges' research interests include the development of statistical methods for social research, the use of statistical concepts in social and cognitive theory, and the demography of talent and academic achievement. Much of his methodological work has concerned statistical methods for combining evidence from multiple empirical studies in social, medical, and biological sciences. Other work involves statistical models for cognitive processes involved in estimation, categorization, and discrimination. His substantive work has also addressed the social distribution of cognitive test scores, their changes over time, and their relations to schooling and other social processes. He is a member of the National Academy of Education, a Fellow of the American Statistical Association and the American Psychological Association, and an elected member of the Society of Multivariate Experimental Psychology. He has served as the Editor of the Journal of Educational and Behavioral Statistics, was Quantitative Methods Editor of Psychological Bulletin, and serves on the editorial boards of the American Journal of Sociology, the Review of Educational Research, and Psychological Bulletin. He has served on numerous professional boards and panels including several National Research Council committees, and is currently the chair of the technical advisory group of the US Department of Education’s What Works Clearinghouse. He is also on the technical advisory committees of both the International Association for the Evaluation of Educational Achievement (IEA) and the Organization of Economic Cooperation and Development’s Programme for International Student Assessment (PISA). Authored books include Statistical Methods for Meta-analysis (with Ingram Olkin) and The Handbook of Research Synthesis (with Harris Cooper).

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