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.

Counterbalanced Crossover Design

An experimental design where participants are exposed to multiple conditions in a sequence that is randomized to control for the order effects.

Posttest

An evaluation or test conducted after the completion of an educational or training program to measure what participants have learned.

Treatment Order

involves the sequence in which experimental treatments are administered to participants, particularly relevant in studies with multiple interventions.