The chief function of the control group in an experiment is that it:
Correct answer: B. provides a point of reference against which the behavior of the experimental group can be compared
- 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 necessaryTry Prep Courses
Explanation
A control group provides the baseline needed to judge whether the independent variable caused a change in the experimental group. It does not eliminate every extraneous variable, although controls help reduce their influence.
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