4
AssignmentMultiple Choice
Observational Studies and Experiments
Question 4 • 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 accurately describes the benefit of comparison in the experiment shown in the design web?
Answer
A
The starting energy levels of the subjects can be compared to see who might benefit the most from the protein bars with the energy supplement.B
The energy levels of the subjects in the treatment group only can be compared to see who might benefit the most from the protein bars with the energy supplement.C
The energy levels of those in the treatment group and in the control group can be compared to determine if the ingredient had a significant effect.D
There is no benefit of comparison in the experiment.