Which of the following accurately describes the benefit of comparison in the experiment shown in the design web?
Answer
A
The level of allergic symptoms in the group who received the medication can be used to determine if the medication had a significant effect.
B
The level of allergic symptoms in both groups can be compared to see if the new medication had a significant effect.
C
The level of allergic symptoms in both groups cannot be compared to determine if the medication had a significant effect because one group only received a placebo.
D
The overall level of allergic symptoms can be used to determine if the new allergy medication had a significant effect.