1. Introduction to mediation, moderation, and conditional process analysis: a regression-based approach Hayes, Andrew F., New York, NY : The Guilford Press, [2022] PSY213
2. Statistics for experimenters: design, innovation, and discovery Box, George E. P., Hoboken, N.J. : Wiley-Interscience, [2005]. GED217
3. An R companion to political analysis Pollock, Philip H., III., Thousand Oaks, California : Sage CQ Press, [2023] GED217
4. Practical statistics for data scientists: 50+ essential concepts using R and Python Bruce, Peter C., 1953- , Sebastopol, CA : O'Reilly Media, Inc., 2020. ADS130