Hi, what's the answer?

Lu Canvas - Learn X Lu Dashboard X Lu Quiz: Quiz: Int X G mann whitney x MBS Direct: Q X Lu Quiz: Intro to S X Lu 05chap 06chap X Digital Conten X Homework He X + X C a canvas.liberty.edu/courses/168741/quizzes/801062/take G E Which one of the following responses is not a strength of the design below? NR 01 02 03 X O4 06 NR O 02 03 O4 05 06 O multiple pretests O control group O multiple posttests O reversal condition Type here to search O 79OF Cloudy ^ 0 0 ( 4) 1:40 PM 99 voreWE 9/6/2021 (21)