Which is true of crossover designs? Select all that apply.
A) They are very efficient.
B) They allow multiple treatments to be studied with fewer participants.
C) They are useful when treatment effects are stable.
D) They allow both treatments to be tested on more subjects, thus allowing for more confidence in the results.

Question

Quizplus · Accepted Answer

Crossover designs are not useful when treatment effects are permanent.

Which Is True of Crossover Designs? Select All That Apply