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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Population? What Population?

[From the abstract of a new working paper by DANIEL SIMONS, YUICHI SHODA, and D. STEPHEN LINDSAY entitled “Constraints on Generality (COG): A Proposed Addition to All Empirical Papers”] “A cumulative science depends on accurately characterizing the generality of findings, but…

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