Question #6404570Single Choice
Biology
Question
Consider a scientific experiment in which a
group of scientists wanted to study the effects of a new drug Wonderdrug 8.0
that is being tested in human to see if it is effective in preventing cancer.
14. In their Wonderdrug 8.0 trial, what would be a good controlled variable?
Options
A
What percentage of the volunteers taking the drug are men and are women
B
The volunteers' exercise habits
C
How effective the Wonderdrug is at preventing the intended disease
D
If the volunteers took Wonderdrug or if they took the placebo
Answer & Analysis
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