which variable (if any) should be included as a covariate? how do you measure baseline differences what level should you use to compare groups at baseline? what is the baseline alpha level what alpha level should a baseline variable be what is the baseline in rct when comparing group and group, what is the appropriate alpha level? which alpha range should be used when comparing two group what is the alpha level for baseline comparison why use a ___ level of alpha which variables should be included in a covariate in an rct? what alpha level should be used to compare treatments what level of a rct should each variable be included as a covariate what rct is baseline in rct baseline data what is the appropriate alpha level for baseline variables? which of the following variables should be included in a covariate rct? what level of alpha should be used for baseline comparison when do you include baseline variables in rct what is the alpha level of baseline and post intervention