title: Statistical considerations for performing multiple tests in a single experiment. 6. Testing accumulating data repeatedly over time.
authors.affiliation: Section of Biostatistics, Mayo Clinic.
authors.forename: P C
authors.initials: PC
authors.lastname: O'Brien
authors.forename: M A
authors.initials: MA
authors.lastname: Shampo
mesh_terms: D002986:Clinical Trials as Topic; D003627:Data Interpretation, Statistical / Q000379:methods*; D006801:Humans; D012107:Research Design