LEADERSHIP TEAM
ELIZABETH TIPTON
Co-Director
Elizabeth Tipton is an Associate Professor of Statistics and Faculty Fellow at the Institute for Policy Research at Northwestern University. She is an Associate Editor at the Journal of Educational and Behavioral Statistics and is on the Editorial Boards of Psychological Bulletin, Research Synthesis Methods, and Observational Studies. Her work has been funded by the Institute for Education Sciences, the National Science Foundation, the Spencer Foundation and the Raikes Foundation. While a member of the faculty at Teachers College, Columbia University, Elizabeth received Early Career Awards from the American Education Research Association, the Society for Research Synthesis Methods, and the American Psychological Association. She received a Ph.D. in Statistics from Northwestern in 2011.
LARRY V. HEDGES
Co-Director
Larry V. Hedges is Board of Trustees Professor of Statistics at Northwestern University. He is Chair of the Department of Statistics, with appointments as a Faculty Fellow at the Institute for Policy Research, the School of Education & Social Policy the Department of Psychology, and the Weinberg School of Medicine. Larry is an elected member of the National Academy of Education, and a Fellow of the American Academy of Arts & Sciences, the American Statistical Association, the American Psychological Association and the American Educational Research Association. He co-founded the Society for Research on Educational Effectiveness and was honored by the establishment of the annual Hedges Lecture in 2016. Larry received the Yidan Prize for Education Research in 2018. Prior to Northwestern, he was the Stella M. Rowley Distinguished Service Professor at the University of Chicago. He received a Ph.D. from Stanford University in 1980.
CHRIS KLAGER
Research Associate
Chris Klager is a Research Associate in the STEPP Center where he directs research projects. He is interested in the translation and communication of evidence about educational programs for policymakers and practitioners. He received a Ph.D. in Education Policy from Michigan State University in 2020.
Faculty Affiliates
Jessica Hullman
Assistant Professor of Computer Science & Engineering and Medill School of Journalism
Areas: Data visualization, experiments, text-analysis
Lincoln Quillian
Areas: Meta-analysis, discrete choice, microsimulation, demographic techniques
Bruce Spencer
Areas: Accuracy of statistical measurements, use of statistics for policy, cost-benefit analysis of statistics, sampling methods
Post-Docs
JACOB SCHAUER
Working with IPR statistician and education researcher Larry Hedges, Schauer develops statistical methods for the social and health sciences. His research interests include methods for studying replication, modern advances in meta-analysis, approaches to missing data, and data privacy.
Graduate Students
KAITLYN (KATIE) FITZGERALD
MARTHA EICHLERSMITH
Research interests within STEPP include translating information.
RRITA ZEJNULLAHI
Research interests: Primarily interested in statistical methods for meta-analysis.
TIM RUEL
Primarily interested in applications of Bayesian methods such as Markov chain Monte Carlo and hierarchical modeling. His main role in the STEPP Center has been to review the methods and procedures of research clearinghouses.