University of Western Australia: Bias Minimisation, randomisation and blinding

Format: Texts
Language/s: English
Resource Link: View the Text
Short Description:

University of Western Australia’s explanation of why random allocation to comparison groups and blinding (if possible) are important.

Key Concepts addressed:


Bias minimisation; Study Methodology

  • Randomisation eliminates investigator bias in allocating patients to different treatment arms.
  • Blinding can avoid bias due to patient or observer knowledge of treatment allocation. Blinding can be through use of placebo or sham treatment. In a single blind study, only the patient or observer is unaware of the treatment allocation.

Read more