Given that the colours were assigned randomly, one would have expected an equal spread, but the reds triumphed in more than two-thirds of the competitions.

Beyond 378, numbers appear to be assigned randomly.

The order in which participants will follow the study regimens will be assigned randomly, with a break between each regimen.

Subjects are assigned randomly without informing them to which group they belonged.

Eight subjects (4 males and 4 females) were assigned randomly to each of the four experimental conditions.