What does randomly assigning subjects to different groups ultimately do?
A) it makes the selection of subjects less time consuming
B) it prevents subjects from knowing what group they are in
C) it controls any factors that might influence the results of the study
D) it ensures that there is an equal number of males and females in each group

Question

Quizplus · Accepted Answer

Random assignment helps to control for any potential confounding factors that may influence the results of the study. By randomly assigning subjects to different groups, researchers can assume that any differences observed between groups are due to the intervention being studied rather than other factors such as age, gender, or socioeconomic status.

What Does Randomly Assigning Subjects to Different Groups Ultimately Do