Q
The chief function of the control group in an experiment is that it:
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A
A. Allows mathematical relationships to be established.
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B
B. Provides a point of reference against which the behavior of the experimental group can be compared
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C
C. Balances the experiment to eliminate all extraneous variables
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D
D. Is not really necessary
Correct Answer:
B. B. Provides a point of reference against which the behavior of the experimental group can be compared
