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Webinar: Biostatistics Seminar – “Rerandomization to Improve Covariate Balance in Experiments”

September 23, 12:00 pm to 1:00 pm

“Rerandomization to Improve Covariate Balance in Experiments” will be presented by Kari Lock Morgan, PhD, Assistant Professor, Department of Statistics, Penn State.

Randomization is an essential component of experiments because it balances covariates between the treatment groups. However, randomization only balances covariates in expectation, and in any one particular allocation, covariates may be unbalanced simply by chance. This project proposes forcing balance on any covariates available at the time of randomization by rerandomizing if covariate balance is not acceptable, according to pre-specified criteria. In this presentation, the team will discuss how to conduct rerandomization in a principled way to improve covariate balance and power, while still maintaining desired frequentist properties such as unbiasedness and Type I error rates.

Join the seminar via Zoom

Participants may also join by calling 929-205-6099, meeting ID 322 043 373. If prompted, enter password 167660.


September 23
12:00 pm to 1:00 pm
Event Category:


Department of Public Health Sciences

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