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stat.ME2020
Inference in experiments conditional on observed imbalances in covariates
Per Johansson, Mattias Nordin
Double blind randomized controlled trials are traditionally seen as the gold standard for causal inferences as the difference-in-means estimator is an unbiased estimator of the ave…
stat.ME2020
Properties of restricted randomization with implications for experimental design
Mattias Nordin, Mårten Schultzberg
Recently, there as been an increasing interest in the use of heavily restricted randomization designs which enforces balance on observed covariates in randomized controlled trials.…