Add labels to the figure that follows, which illustrates the characteristics of research participants in control versus experimental groups.

Video transcript

Hello everyone here. We have a question that says in an experiment scientists are testing the effectiveness of echinacea tea on the common cold. What will be a true statement regarding the control and experimental groups? A. The control group will receive the placebo T. Treatment. This is true. The control group is needed to have something to compare against. So we don't want them to have any treatment so they will get a placebo. Be. The experimental group will receive the echinacea tea treatments. This is true. See both groups will receive the echinacea tea treatments. This is untrue. We have to have something to compare against. So our answer here is D. Both A and B. Thank you for watching. Bye.