Random assignment creates equal groups when
A) instrumentation is not a factor in your experiment.
B) testing effects have been controlled in your experiment.
C) maturation has been controlled in your experiment.
D) the sample size is large.

Question

Quizplus · Accepted Answer

Random assignment is more likely to create equal groups when the sample size is large because the law of large numbers ensures that random differences between groups are minimized.

Random Assignment Creates Equal Groups When