Question

In a study of how vitamin E may reduce the risk of cardiovascular disease, one group was given a placebo, and the other group was given vitamin E supplements. The group that received the placebo was the _______ group.

A. control
B. experimental
C. double-blind
D. hypothetical

Answer 1

In order to help the student expand his/her knowledge I will help answer the question. This in hope that the student will get a piece of knowledge that will help him/her through his/her homework or future tests.

In a study of how vitamin E may reduce the risk of cardiovascular disease, one group was given a placebo, and the other group was given vitamin E supplements. The group that received the placebo was the control group.

The answer is A. control

I hope it helps, Regards.

Answer 2

The answer is A.

The group thed that received placebo was called the control group

In treatment, a control group is designed to assess treatment effect. So the researchers could see whether the actual treatment is giving an effect or not. It operate like some sort of benchmark