3ie Working Paper Series

3ie working papers cover both conceptual issues related to impact evaluation and findings from specific studies or systematic reviews. These policy-relevant papers draw on rigorous evidence from impact evaluations and systematic reviews to offer insights, new analyses, findings, recommendations and learnings from 3ie’s grant-making practices. Our working papers focus on methods and offer technical guides to help advance understanding, design and use of rigorous and appropriate evaluations and reviews.

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Power calculation for causal inference in social science: sample size and minimum detectable effect determination

3ie Working Paper 26, 2016   

This manual, developed in-house by 3ie's Eric Djimeu and Deo-Gracias Houndolo, presents the basic statistical concepts used in power calculations for experimental design. The authors draw from real world examples to calculate statistical power for individual and cluster randomised controlled trials.

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