What is the purpose of using multiple control groups in an experiment?
O
A. To generate as much data as possible, whether they're useful or
not
O
B. To help scientists make observations that are not relevant to the
experiment
O
C. To help control for factors that aren't being tested but might affect
results
O
D. To provide background information concerning the experimental
question
SUBMIT

The purpose of using multiple control groups in an experiment is to help control for factors that aren't being tested but might affect

results

What is the reason for correct answer?

Number of observations are basically made to check if the result obtained is valid

However it also helps control factors that aren’t being tested.

Why other options are incorrect?

Option A is incorrect because the number of data do not affect the result

Option B is incorrect because if the observations are not relevant to the experiment then it is of no use

Option D shows the background information can be denoted however the background information is already given then only the experiment can be performed

Hence Option C is correct and rest options are incorrect

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