Exact(1)
The 1000 possible allocations within each set with the best balance will be selected and passed to an independent statistician and one allocation will be selected at random.
Similar(59)
Informants will be selected based on their age, severity of pain, treatment choice/allocation, and occurrence of adverse events.
One allocation will be randomly selected from the set of optimal allocations for the block of participants about to be randomized.
From 2009 this allocation will be on the basis of metrics.
Allocation will be random.
This allocation will be unalterable.
Allocation will be at random.
Hence allocation will be concealed.
Random allocation will be independent and concealed.
Allocation will be in randomly permuted blocks.
The allocation will be to three options.
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