Titlebook: Clinical Epidemiology; Practice and Methods Patrick S. Parfrey,Brendan J. Barrett Book 2021Latest edition Springer Science+Business Media,

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https://doi.org/10.1007/978-3-322-96002-3ssure that statistical power is sufficiently high when the probability of falsely rejecting a true null hypothesis (type I error) is kept acceptably small. This chapter overviews the fundamental of sample size calculation for standard types of outcomes for 2-group studies. It also considers (1) the