You plan to conduct an experiment to test the effectiveness of Statistiszene, a new drug that allegedly improves performance in learning statistics. You will use a sample of subjects who are treated with the drug and another sample of subjects who are given a placebo.
a. What is blinding, and how might it be used in this experiment?
b. Why is it important to use blinding in this experiment?
c. What is a completely randomized design?
d. What is a rigorously controlled block design?
e. What is replication, and why is it important?