3: How to randomize I

Resource link

This is the first of the presentations that explain the importance of knowing 'how to randomize' for the purpose of impact evaluation.

The third in a series of 8 lectures produced by the Poverty Action Lab and the Massachusetts Institute of Technology. 

The resource provides the user with a video of the lecture presented by Dean Karlan and includes the lecture slides.


  • I. Methods of randomization
  • a. Basic Lottery
  • b. Phase-in
  • c. Rotation
  • d. Encouragement
  • II. Gathering support for evaluation
  • III. “Typical” plan


Karlan D (2009) 3: How to Randomize I, Abdul Latif Jameel,  Poverty Action Lab Executive Training: Evaluating Social Programs Lecture Notes,  Massachusetts Institute of Technology (MIT). Retrieved from https://live-qa.ocw.mit.edu/courses/res-14-001-abdul-latif-jameel-poverty-action-lab-executive-training-evaluating-social-programs-2009-spring-2009/resources/3-how-to-randomize-i/

Massachusetts Institute of Technology (MIT) https://ocw.mit.edu/

Poverty Action Lab (PAL) http://www.povertyactionlab.org/

'3: How to randomize I' is referenced in: