Randomisation in clinical trials

Elaine M Beller, Val Gebski and Anthony C Keech
Med J Aust 2002; 177 (10): . || doi: 10.5694/j.1326-5377.2002.tb04955.x
Published online: 18 November 2002

Randomisation is the process of assigning clinical trial participants to treatment groups. Randomisation gives each participant a known (usually equal) chance of being assigned to any of the groups. Successful randomisation requires that group assignment cannot be predicted in advance.

  • 1 Queensland Clinical Trials Centre, University of Queensland, Herston, QLD.
  • 2 NHMRC Clinical Trials Centre, University of Sydney, Camperdown, NSW.


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  • 6. Gebski V, Beller E, Keech AC. Randomised trials: elements of a good study. Med J Aust 2001; 175: 272-274.


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