Felipe is interested in testing whether people are more likely to take gummy vitamins than regular (hard pill) vitamins. In his study, the experimental group is composed of participants who take _____, and his control group is comprised of participants who take _____.
A) gummy vitamins; no vitamins
B) gummy vitamins: regular vitamins
C) regular vitamins; gummy vitamins
D) regular vitamins; no vitamins

Question

Quizplus · Accepted Answer

The experimental group should be the group who takes gummy vitamins, and the control group should be the group who takes regular vitamins. This way, Felipe can compare the two types of vitamins and determine whether people are more likely to take gummy vitamins. Option B is the only choice that consists of these two groups.

Felipe Is Interested in Testing Whether People Are More Likely