Elizabeth Tipton

Professor of Statistics and Data Science
Northwestern University
Faculty Fellow, Institute for Policy Research

I develop methods for designing studies and for building evidence that decision-makers can use.

Recently

Apr 2026 What schools want vs. what evidence can deliver — PIER seminar, Harvard Graduate School of Education.
2025 Elected to the National Academy of Education.
2025 Designing Small Evaluation Studies, with Larry Hedges — Sage.

Software & tools

2015 – The Generalizer A web tool for designing recruitment strategies in randomized trials, given a target population. With K. Miller.
2022 generalizeR R package for generalizations from causal studies. With T. Ruel, B. Chao and B. Ackerman.
2013 robumeta (R) Robust variance estimation in meta-analysis. With Z. Fisher and Z. Hou. arXiv:1503.02220
2017 REG_SANDWICH (Stata) Cluster-robust variance estimators with small-sample corrections. With M. Tyszler and J. Pustejovsky.
2017 robumeta (Stata macro) With E. Hedberg and J. Pustejovsky.

2022 Enhancing the Generalizability of Impact Studies in Education IES / NCEE practice guide (NCEE 2022-003). With R. B. Olsen.
2021 Introduction to Statistics and Data Science Open textbook, a moderndive into R and the tidyverse. With A. Kuyper, D. Sass and K. Fitzgerald.
2020 A Guide to Quantitative Research Proposals Spencer Foundation.