title: [What is p and why calculated at 0.05?].
authors.affiliation: Institut für Biophysik und Strahlenbiologie, Universität Hamburg.
authors.forename: H P
authors.initials: HP
authors.lastname: Beck-Bornholdt
authors.forename: H H
authors.initials: HH
authors.lastname: Dubben
mesh_terms: D000818:Animals; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data; D005398:Fisheries / Q000706:statistics & numerical data; D005399:Fishes; D006801:Humans; D011336:Probability; D013223:Statistics as Topic / Q000379:methods*; D016019:Survival Analysis