The Good Heart Study is evaluating the relationship between a new miracle drug a

Question

The Good Heart Study is evaluating the relationship between a new miracle drug and heart disease. Two hundred participants are divided into 2 equal groups. Identical looking pills are administered to all participants. Group 1 recieves 2 tablets of the miracle drug per day and group 2 recieves 2 placebo tablets per day. After one month, half of the subjects in group 1 have blood cholesterol levels at or below the recommended levels. In group 2, 49 of the subjects have blood cholesterol levels at or less than the recommendations.

Answer the following in complete sentences.

A. How many subjects are in each group?

B. Is the study blinded?

C. Does the miracle drug lower cholesterol?

D. What changes would you make to better control the study?

Explanation / Answer

A) 100 subjects in each group. B) The study is blinded because the patients do not know if they are getting a placebo. C) No, the drug does not lower cholesterol more than the placebo. D) The study could be double blind where both the test subjects and experimenters do not know who is receiving a placebo and who is receiving the real drug.

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