Tommy Tackle,the Coach at Coastal Mountain High School,is Designing a Training

Tommy Tackle,the coach at Coastal Mountain High School,is designing a training program for the track team.He knows that exercises A,B,and C are recommended,but is not sure which order he should have his team members train in (i.e.,A,B,C,or C,A,B,etc.) .What type of experimental design would he use to test the relative effectiveness of the different training sequences?

A) One-group pretest-post-test
B) Solomon four-group design
C) Latin square design
D) Classical experiment design
E) Post-test only design