Chapter 6

Module 6.2

In this chapter we explain what power is, how it is determined, and how we can use power analysis to determine what sample size we need, the level at which to randomize, how many different treatment groups we can test, and many other design issues.

DATA

Government of Sierra Leone's Agricultural Household Tracking Survey

SUMMARIES

Promoting Adoption of New Rice Varieties: Addressing the Costs of Early Adoption in Sierra Leone
J-PAL's evaluation summary of the NERICA rice study.

Module 6.4

PAPERS

Remedying Education: Evidence from Two Randomized Experiments in India

J-PAL Policy Briefcase: Making Schools Work for Marginalized Children

SOFTWARE

Optimal Design Software

Optimal Design Manual

Stata

Module 6.5

PAPERS

Improving immunisation coverage in rural India: clustered randomised controlled evaluation of immunisation campaigns with and without incentives

Running Randomized Evaluations: A Practical Guide

This book provides a comprehensive yet accessible guide to running randomized impact evaluations of social programs. Drawing on the experience of researchers at the J-PAL, which has run hundreds of such evaluations in dozens of countries throughout the world, it offers practical insights on how to use this powerful technique, especially in resource-poor environments.

Running Randomized Evaluations: A Practical Guide

Running Randomized Evaluations: A Practical Guide

6: Statistical Power

Running Randomized Evaluations: A Practical Guide

Chapter 6

Module 6.2

Module 6.4

Module 6.5

Running Randomized Evaluations: A Practical Guide