title: Regression to the mean.
authors.affiliation: NHMRC Clinical Trials Centre, University of Sydney, NSW.
authors.forename: D
authors.initials: D
authors.lastname: Newell
authors.forename: J
authors.initials: J
authors.lastname: Simpson
mesh_terms: D006801:Humans; D015990:Placebo Effect; D015203:Reproducibility of Results; D012107:Research Design; D013223:Statistics as Topic