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Submitted by Benjamin Daniels on

David has also kindly shared some notes on randomization inference if you believe you don't need baseline balance tests at all in random assignment experiments. (http://blogs.worldbank.org/impactevaluations/finally-way-do-easy-randomization-inference-stata) Alternatively, if you agree with Berk that this idea is a bit too Panglossian, we also have rough code for the Imbens and Ruben normalized differences approach that David suggests in his post linked above and are working on integrating it into the ietoolkit package. (https://github.com/worldbank/stata/blob/master/dev/Statistics/ReferenceComparisons/normdiff.ado)