Which of the following is true of a counterbalanced crossover design?
A) Participants are randomly assigned to different groups that vary in the treatment order.
B) Participants are given treatment after the conclusion of the posttest.
C) Participants are randomly assigned to different treatment conditions.
D) Participants are led to believe that a viable treatment is being rendered while it is actually ineffective.

Question

Quizplus · Accepted Answer

In a counterbalanced crossover design, participants are randomly assigned to different groups that vary in the treatment order. This means that each participant receives all treatments, but in a different order. This helps to control for potential order effects and increases the internal validity of the study.

Which of the Following Is True of a Counterbalanced Crossover