How does a control group function in an experiment?

It's a group included with the experiment.

It's a group included with the experiment but are still partialy separated from the experiment.

It's a group separated from the rest of the experiment but are still included in the test.

It's a group separated from the rest of the experiment.


Choose an option to see if it’s correct. Check the explanation below. Learn Smarter, not Harder.

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Explanation: How does a control group function in an experiment?


Explanation: The correct answer is **'It's a group separated from the rest of the experiment.'** In experimental design, a control group serves as the benchmark against which the experimental group is compared. It is essential for isolating the effects of the independent variable(s) being tested. The control group is treated similarly to the experimental group in all respects except for the variable being manipulated or tested. By keeping all other factors constant and unchanged for both the control and experimental groups, researchers can determine whether any observed changes or effects are attributable to the manipulated variable. Separating the control group from the rest of the experiment ensures that any observed differences or outcomes can be confidently attributed to the specific intervention or treatment applied to the experimental group, rather than external factors or random variations. Therefore, selecting 'It's a group separated from the rest of the experiment' as the function of a control group is correct, as it accurately describes its purpose in experimental research and its role in ensuring the validity and reliability of study results by providing a baseline for comparison.

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