A potential problem with random assignment to conditions is that
A) subjects can predict what group they will be placed in.
B) experimental bias may be increased.
C) statistical significance is more difficult to assess.
D) unless blocked random assignment is used, confounding can still occur.

Question

Quizplus · Accepted Answer

Random assignment aims to distribute potential confounding variables evenly across groups, but it doesn't guarantee this distribution, especially in smaller samples. Blocked random assignment can help ensure a more balanced distribution of these variables, but without it, confounding can still occur if the random assignment happens to distribute a confounding variable unevenly across groups.

A Potential Problem with Random Assignment to Conditions Is That