A placebo treatment alludes to a substance or treatment that is regularly utilized in an examination yet doesn't have a real restorative or exploratory advantage.
<h3>Both the experimental group and the control group are exposed to the same __________. </h3>
Correct answer is option C.
Confounding variables
For these situation will be similar test conditions, in light of the fact that an all around planned trial ought to take out unessential factors.
This possibly can be conceivable assuming similar exploratory circumstances are answered from the test gathering to the center gathering.
Additionally, the trial conditions inferred the other three choices.
Therefore, correct answer is Option C.
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