title: An alternative property for evaluating sample size for normal data using preliminary data.
authors.forename: Michael P
authors.initials: MP
authors.lastname: Fay
mesh_terms: D000704:Analysis of Variance; D001699:Biometry / Q000379:methods*; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data*; D006801:Humans; D018401:Sample Size; D016312:Treatment Refusal / Q000706:statistics & numerical data*