3: How to randomize I

The third in a series of 8 lectures produced by the Poverty Action Lab and the Massachusetts Institute of Technology. This is the first of the presentations that explains the importance of knowing 'how to randomize' for the purpose of impact evaluation.

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 http://ocw.mit.edu/resources/res-14-001-abdul-latif-jameel-poverty-actio...

Massachusetts Institute of Technology (MIT) http://ocw.mit.edu/index.htm

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

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