The chief function of the control group in an experiment is that it:

A. Allows mathematical relationships to be established.

B. Provides a point of reference against which the behavior of the experimental group can be compared

C. Balances the experiment to eliminate all extraneous variables
D. Is not really necessary
The chief function of the control group in an experiment is that it: | Provides a point of reference against which the behavior of the experimental group can be compared | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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