A scientist thought he might have discovered a new plant compound that would lower blood pressure in people. In his first experiment, he injected one hundred mice with the compound and found that the blood pressure in ninety-five of the treated mice was not affected. However, all of the mice seemed to grow at a faster rate then the control group. Which statement describes the most likely outcome of this investigation?
Answer
A
The knowledge gained will lead to further experimentation that could potentially result in a new use for the drug.
B
He will develop a second experiment to find a way to make the drug successfully lower blood pressure in mice.
C
The data he collected will be used in new investigations to determine why certain people are taller than others.
D
He will use these results to conclude that the drug will most likely lower blood pressure in five percent of people.
Explanation
The experiment did not show the expected blood-pressure effect in most mice: 95 out of 100 were unaffected. But the mice treated with the compound grew faster than the control group, an unexpected result that could suggest another effect worth studying. The most likely next step is further experimentation to investigate this finding and possibly discover a new use for the compound. The results do not support concluding that it lowers blood pressure in 5% of people, since the study involved mice.
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