Books recommended by others as useful references for experimental design:

  1. Experimental and Quasi-Experimental Designs for Generalized Causal Inference by William Shadish, Thomas Cook, and Donald Campbell
  2. Design and Analysis of Experiments by Douglas C. Montgomery
  3. Running Randomized Evaluations: A Practical Guide by Rachel Glennerster and Kudzai Takavarasha
  4. Impact Evaluation in Practice by a World Bank team (Paul Gertler, Sebastian Martinez, Patrick Premand, Laura Rawlings, Christel Vermeersch)
  5. Handbook on Impact Evaluation: Quantitative Methods and Practices by a World Bank team (Shahidur Khandker, Gayatri Koolwal, Hussain Samad)