A scientist recently submitted a paper to a leading scientific journal. His data assert that a new drug combination is an effective treatment for bronchitis. His study included seven test subjects, four of whom received the new drug combination and three of whom received a placebo. All four subjects who received the drug combination were without symptoms after ten days of treatment.

The paper was rejected. Which of the following is the most likely reason for the rejection?

A. The study was biased toward subjects receiving the placebo.
B. The study involves too small a sample size

Question

A scientist recently submitted a paper to a leading scientific journal. His data assert that a new drug combination is an effective treatment for bronchitis. His study included seven test subjects, four of whom received the new drug combination and three of whom received a placebo. All four subjects who received the drug combination were without symptoms after ten days of treatment. 

The paper was rejected. Which of the following is the most likely reason for the rejection?

 		A.	The study was biased toward subjects receiving the placebo.
 		B.	The study involves too small a sample size

anonymous · Answer

C.	The study involves too large a sample size.
 		D.	The study was biased toward subjects receiving the drug combination.

kash_thesmartguy · Answer

D.