advisory committees that focus on the issue of underrepresentation of minorities in the sciences.

Originally trained as a plant biologist, Dr. DePass currently directs a funded research program that explores cancer-related gene regulation. His laboratory provides training for students at the high school, bachelor’s, and master’s levels, among which several students from underrepresented minorities have gone onto competitive doctoral programs.


Larry V. Hedges is the Board of Trustees Professor of Statistics and Social Policy at Northwestern University, the university’s most distinguished academic position. He is also a Faculty Fellow with the Institute for Policy Research at Northwestern. He was previously the Stella M. Rowley Distinguished Service Professor of Education, Psychology, and Sociology at the University of Chicago. Dr. Hedges’ research straddles sociology, psychology, and educational policy. He is best known for his work to develop statistical methods for meta-analysis (a statistical analysis of the results of multiple studies that combines their findings) in the social, medical, and biological sciences. Examples of some his recent studies include: understanding the costs of generating systematic reviews, differences between boys and girls in mental test scores, the black-white gap in achievement test scores, and frameworks for international comparative studies on education. He has authored or co-authored numerous journal articles and five books, including the seminal Statistical Methods for Meta-Analysis (with I. Olkin) and The Handbook of Research Synthesis (with H. Cooper). He has been elected a member or fellow of numerous boards, associations, and professional organizations, including the National Academy of Education, the American Statistical Association, the American Psychological Association, and the Society of Multivariate Experimental Psychology and chaired the Technical Advisory Group of the U.S. Department of Education’s What Works Clearinghouse. Dr. Hedges holds a BA in mathematics from the University of California, San Diego, and an MA in statistics and PhD in mathematical methods in educational research from Stanford University.

MEMBERS

Daryl E. Chubin became founding director of the AAAS Center for Advancing Science & Engineering Capacity at the American Association for the Advancement of Science in August 2004. Prior to that, he served more than three years as senior vice president, research,



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