1
AssignmentMultiple Choice

Observational Studies and Experiments

Question 1 • NC-Math 4 CR

In an experiment to test the effectiveness of an energy supplement, participants are randomly assigned to groups by using a table of random digits. Which of the following best describes the control group in the experiment?

Question illustration
Answer
A
The control group is the group who received protein bars without the energy supplement.
B
The control group is the group who received protein bars with the energy supplement.
C
There is no control group, but one is needed.
D
There is no control group, and none is needed.
Next