Some useful papers

General

Duflo, Esther, Rachel Glennerster and Michael Kremer (2007) “Using Randomization in Development Economics Research: A Toolkit.” CEPR Working Paper 6059. http://econ-www.mit.edu/files/806

Econometrics

Athey, Susan and Guido Imbens. 2016. The Econometrics of Randomized Experiments. Link

Cameron, A. C., & Miller, D. L. (2015). A practitioner’s guide to cluster-robust inference. Journal of human resources, 50(2), 317-372. Link

Interpretation of effect sizes in education

Kraft Matthew A. "Interpreting Effect Sizes of Education Interventions." Educational Researcher. 2020;49 (4) :241-253. https://scholar.harvard.edu/mkraft/publications/interpreting-effect-sizes-education-interventions