What is the minimum block size for a trial of 3 treatment groups, stratified by 3 clinics and a severity index of mild vs moderate, and an allocation ratio of 1:1:
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Get it written →What is the minimum block size for a trial of 3 treatment groups, stratified by 3 clinics and a severity index of mild vs moderate, and an allocation ratio of 1:1:2? How many separate treatment assignment schedules are needed for the trial described in the previous question?
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