title: Two-group experimental designs.
authors.forename: Pamela J
authors.initials: PJ
authors.lastname: Brink
mesh_terms: D015982:Bias; D015986:Confounding Factors, Epidemiologic; D006801:Humans; D015399:Nursing Research / Q000592:standards*; D016032:Randomized Controlled Trials as Topic / Q000592:standards*; D015203:Reproducibility of Results; D012107:Research Design / Q000592:standards*