title: The double jeopardy of clustered measurement and cluster randomisation.
authors.affiliation: Department of Pediatrics, McGill University Faculty of Medicine, Montreal, Canada. michael.kramer@mcgill.ca
authors.forename: Michael S
authors.initials: MS
authors.lastname: Kramer
authors.forename: Richard M
authors.initials: RM
authors.lastname: Martin
authors.forename: Jonathan A C
authors.initials: JA
authors.lastname: Sterne
authors.forename: Stanley
authors.initials: S
authors.lastname: Shapiro
authors.forename: Mourad
authors.initials: M
authors.lastname: Dahhou
authors.forename: Robert W
authors.initials: RW
authors.lastname: Platt
mesh_terms: D016000:Cluster Analysis; D016001:Confidence Intervals; D015588:Observer Variation; D016032:Randomized Controlled Trials as Topic / Q000379:methods* / Q000706:statistics & numerical data; D012016:Reference Values; D015203:Reproducibility of Results
references.citation: Health Technol Assess. 1999;3(5):iii-92
references.pmid: 10982317
references.citation: Caries Res. 2007;41(6):484-8
references.pmid: 17878730
references.citation: BMJ. 2007 Oct 20;335(7624):815
references.pmid: 17855282
references.citation: Pediatrics. 2008 Mar;121(3):e435-40
references.pmid: 18310164
references.citation: Am J Clin Nutr. 2007 Dec;86(6):1717-21
references.pmid: 18065591
references.citation: JAMA. 2001 Jan 24-31;285(4):413-20
references.pmid: 11242425
references.citation: BMJ. 2004 Mar 20;328(7441):702-8
references.pmid: 15031246
references.citation: BMJ. 2005 Jan 15;330(7483):142-4
references.pmid: 15649931
references.citation: Arch Gen Psychiatry. 2008 May;65(5):578-84
references.pmid: 18458209