The placebo effect typically leads us to ________ the effectiveness of therapy, and regression toward the mean typically leads us to ________ the effectiveness of therapy.

The placebo effect typically leads us to ________ the effectiveness of therapy, and regression toward the mean typically leads us to ________ the effectiveness of therapy. 








A. overestimate; underestimate
B. underestimate; overestimate
C. overestimate; overestimate
D. underestimate; underestimate









Answer: C