of his crop (A) with the new fertilizer,
of his crop (B) with the fertilizer he had used in the past,
of his crop (C) with a mixture of the two fertilizers, and
of his crop (D) with no fertilizer. Assuming all other factors - sunlight, rainfall, soil composition, etc. - are the same as in previous years, what is the control group in this experiment?
Responses
A Group CGroup C
B Group DGroup D
C Group AGroup A
D Group BGroup B
1 answer
The control group in an experiment is the group that does not receive the treatment being tested, allowing for comparisons to be made with those that do. In this case, the control group would be the group that was not fertilized at all.
Therefore, the correct answer is:
B. Group D
