Hostname: page-component-6bb9c88b65-lm65w Total loading time: 0.006 Render date: 2025-07-25T15:24:48.128Z Has data issue: false hasContentIssue false
  • English
  • Français

What is a randomised controlled trial?

Published online by Cambridge University Press:  11 April 2011

Andrea Cipriani  and
John R. Geddes
Andrea Cipriani*
Affiliation:
Department of Medicine and Public Health, Section of Psychiatry and Clinical Psychology, University of Verona(Italy)
John R. Geddes
Affiliation:
Department of Psychiatry, University of Oxford (United Kingdom)
*
Address for correspondence: Dr. A. Cipriani, Department of Medicine and Public Health, Section of Psychiatry and Clinical Psychology, University of Verona, PiazzaleL.A. Scuro 10, 37134 Verona (Italy). Fax: +39-045-8027498 E-mail: andrea.cipriani@univr.it
Get access Rights & Permissions [Opens in a new window]

Abstract

An abstract is not available for this content so a preview has been provided. Please use the Get access link above for information on how to access this content.
Image of the first page of this content. For PDF version, please use the ‘Save PDF’ preceeding this image.'

Keywords

Randomized controlled trialmeta-analysisstatisticsrandomizationblinding

Information

Type
ABC of Methodology
Information
Epidemiology and Psychiatric Sciences , Volume 18 , Issue 3 , September 2009 , pp. 191 - 194
Copyright
Copyright © Cambridge University Press 2009

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Article purchase

Temporarily unavailable

References

REFERENCES

Cipriani, A., Nosè, M. & Barbui, C. (2008). Allocation concealment and blinding in clinical trials. Epidemiologia e Psichiatria Sociale 17, 115–116.CrossRefGoogle ScholarPubMed
Cipriani, A., Purgato, M. & Barbui, C. (2009). Why internal and external validity of experimental studies are relevant for clinical practice? Epidemiologia e Psichiatria Sociale 18, 101–103.CrossRefGoogle ScholarPubMed
Pablos-Méndez, A., Barr, R.G. & Shea, S. (1998). Run-in Periods in Randomized Trials Implications for the Application of Results in Clinical Practice. Journal of the American Medical Association 279, 222–225.CrossRefGoogle ScholarPubMed
Schulz, K.F., Chalmers, I., Haynes, R.J. & Altman, D.G. (1995). Empirical evidence of bias. Dimensions of methodological quality associated with estimates of treatment effects in controlled trials. Journal of the American Medical Association 273, 408–412.CrossRefGoogle ScholarPubMed