A major pharmaceutical company has developed a new drug to treat high blood pressure. The company decides to conduct a study to see how effective this new drug is at lowering blood pressure. The study involves 1000 patients that have been randomly selected and are currently taking the same medication for high blood pressure. The company produces two pills. The pills are identical in shape, size, color, and strength. The only difference in the two pills is that one pill contains the new medication and the other pill contains the patients old medication. Why did the company not just give one group a placebo? Responses: A. The patients might be able to tell the difference in taste.The patients might be able to tell the difference in taste. B. Denying the patients their medication could put their lives at risk. Denying the patients their medication could put their lives at risk. C. Using a placebo would cause too many variables to be changed at one time.Using a placebo would cause too many variables to be changed at one time. D. The company wouldn't know if the new medication was working without something to compare it to.
