Searching for Specification Searching in Development Impact Evaluations

[From the paper “Specification Searching and Significance Inflation AcrossTime, Methods and Disciplines” by Eva Vivalt, published in the Oxford Bulletin of Economics and Statistics] “…This paper leverages a database of impact evaluation results collected by AidGrade, a US non-profit organization that…

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Causal Inference Should Focus More on Mechanism Than Method

[From a post by Andrew Gelman at his blog, Statistical Modeling, Causal Inference, and Social Science] “If researchers and policy makers continue to view results of impact evaluations as a black box and fail to focus on mechanisms, the movement…

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BENJAMIN WOOD and ANNETTE BROWN: What 3ie Is Doing in the Replication Business

What’s the International Initiative for Impact Evaluation (3ie) doing in the replication business? 3ie is mostly known in the development community as a funder of impact evaluations and systematic reviews. But our leadership always envisioned a role for replication research…

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