_________ is the difference between baseline and treatment. what is the sampling sampling for a variable that compares the change from baseline and the treatment outcome? can a variable be measured as a frequency what is sample size for difference between treatments what is sampling sampling used how to determine sample size a baseline variable for a treatment that has a frequency of ______. how to compare a variation of baseline treatment frequency how to calculate sample size what frequency is a baseline? what is average variation in baseline and follow-up how many treatments are compared to baseline sample size to compare baseline and treatment what is baseline change what is the frequency between baseline and treatment can a randomized controlled study compare two baseline treatments? how to compare change to baseline what is the sampling size for baseline what frequency is baseline can change from baseline cause sample size