Counterbalanced designs
A) give the same treatments to all subjects.
B) may involve many groups and treatments.
C) rotate intact groups.
D) a and c
E) All of these are true.

Question

Quizplus · Accepted Answer

Counterbalanced designs involve giving the same treatments to all subjects, and may involve many groups and treatments. In addition, intact groups are rotated in order to control for order effects. Therefore, all of the options are true.

Counterbalanced Designs