The purpose of random assignment of subjects to conditions is
A) to eliminate confounding of subject-related variables
B) to make groups equal
C) to permit the use of statistics
D) Both a and c are true.

Question

Quizplus · Accepted Answer

Random assignment of subjects to conditions allows for the elimination of confounding variables and permits the use of statistics to determine the efficacy of the treatment. This makes the groups more equal and reliable in terms of accurate results.

The Purpose of Random Assignment of Subjects to Conditions Is