Why must an experiment have a control group?

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asked Dec 12, 2021 108k views

1 Answer

Abhishek Chauhan · Answer 1 · 2021-12-18T19:57:22+0000

Step-by-step explanation:

The control group provides a baseline in the experiment. The variable that is being studied in the experiment is not changed or is limited to zero in the control group.

Why must an experiment have a control group?

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