An advantage of randomly assigning subjects to groups is:
A) to make the groups equal in number
B) that it reduces the chance that other variables will bias the results
C) to ensure that the sample is representative of the population
D) to make the groups as different as possible from each other

Question

Quizplus · Accepted Answer

Randomly assigning subjects to groups minimizes the chance that other variables will bias the results, as the groups will be similar in terms of these variables.

An Advantage of Randomly Assigning Subjects to Groups Is