title: Effect size estimation: a necessary component of statistical analysis.
authors.forename: Edward H
authors.initials: EH
authors.lastname: Livingston
authors.forename: Alan
authors.initials: A
authors.lastname: Elliot
authors.forename: Linda
authors.initials: L
authors.lastname: Hynan
authors.forename: Jing
authors.initials: J
authors.lastname: Cao
mesh_terms: D000704:Analysis of Variance; D016009:Chi-Square Distribution; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data; D015340:Epidemiologic Research Design; D015233:Models, Statistical; D012107:Research Design / Q000706:statistics & numerical data; D018401:Sample Size; D013514:Surgical Procedures, Operative / Q000706:statistics & numerical data