This section is intended to provide an intuitive discussion of the rationale behind power calculations, as well as practical tips and sample code for conducting power calculations using either built-in commands or simulation. It assumes some knowledge of statistics and hypothesis testing. Readers...

This resource gives an overview and non-technical introduction to randomized evaluations. Randomized evaluations can be used to measure impact in policy research: to date, J-PAL affiliated researchers have conducted more than 1,100 randomized evaluations studying policies in ten thematic sectors in...

This resource is intended for researchers who are designing and assessing the feasibility of a randomized evaluation with an implementing partner. We outline key principles, provide guidance on identifying inputs for calculations, and walk through a process for incorporating power calculations into...