BÉDÉCARRATS et al.: Lessons from Replicating an RCT

In 2015, Crépon, Devoto, Duflo and Pariente (2015, henceforth CDDP), published the results of a randomized control trial (RCT) in a special issue of the AEJ: Applied Economics. CDDP evaluated the impact of a microcredit program conducted in Morocco with…

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DID, IV, RCT, and RDD: Which Method Is Most Prone to Selective Publication and p-Hacking?

[From the working paper, “Methods Matter: P-Hacking and Causal Inference in Economics” by Abel Brodeur, Nikolai Cook, and Anthony Heyes] “…Applying multiple methods to 13,440 hypothesis tests reported in 25 top economics journals in 2015, we show that selective publication and p-hacking is…

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Another Article Takes the Sheen off RCTs

[From the article, “Why all randomised controlled trials produce biased results”, by Alexander Krauss, recently published in Annals of Medicine] “Randomised controlled trials (RCTs) are commonly viewed as the best research method to inform public health and social policy. Usually they…

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