Rerandomization: A complement or substitute for stratification in randomized experiments?

Per Johansson Department of Statistics, Uppsala university, Sweden Mårten Schultzberg Department of Statistics, Uppsala university, Sweden

TBD mathscidoc:2206.43023

Journal of Statistical Planning and Inference, 218, 43-58, 2022.5
Rerandomization is a strategy for improving balance on observed covariates in randomized controlled trials. It has been both advocated and advised against by renowned scholars of experimental design. However, the relationship and differences between stratification, rerandomization, and the combination of the two have not been previously investigated. In this paper, we show that stratified designs can be recreated by rerandomization and explain why, in most cases, stratification on binary covariates followed by rerandomization on continuous covariates is more efficient than rerandomization on all covariates at the same time.
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@inproceedings{per2022rerandomization:,
  title={Rerandomization: A complement or substitute for stratification in randomized experiments?},
  author={Per Johansson, and Mårten Schultzberg},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220621165927638144430},
  booktitle={Journal of Statistical Planning and Inference},
  volume={218},
  pages={43-58},
  year={2022},
}
Per Johansson, and Mårten Schultzberg. Rerandomization: A complement or substitute for stratification in randomized experiments?. 2022. Vol. 218. In Journal of Statistical Planning and Inference. pp.43-58. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220621165927638144430.
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