As an alternative to random assignment, researchers will sometimes design experiments where each participant is exposed to all conditions or groups in an experiment. This second procedure controls for differences between individual participants by
A)balancing these differences between the conditions or groups
B)holding these differences constant
C)making use of the double-blind procedure
D)increasing external validity

Question

Quizplus · Accepted Answer

By exposing each participant to all conditions or groups, individual differences among participants are held constant across conditions, as each participant serves as their own control. This approach eliminates the variability between participants because the same individuals are involved in all conditions.

As an Alternative to Random Assignment, Researchers Will Sometimes Design