1. Noun
Using a random method to reduce systematic differences between groups.
The use of chance to assign participants, treatments or sampling units.
“Randomisation balanced measured and unmeasured factors.”
2. Noun
Using a random process to decide who enters each study group.
The use of chance to allocate participants, observations or treatments in order to reduce systematic differences. Describe the random process and whether allocation was concealed.
“Randomisation reduced the risk that baseline differences explained the outcome.”
Describe the random process and whether allocation was concealed
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