What's the role of the control group?

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.

It's a group included with the experiment.

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


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Explanation: The role of the control group in an experiment is pivotal for evaluating the effectiveness of the intervention or treatment being tested. The correct option, ‘It’s a group separated from the rest of the experiment,’ succinctly captures this role. The control group serves as a baseline against which the outcomes of the experimental group, which receives the intervention, are compared. By keeping the control group separate from the experimental group, any observed changes or effects can be attributed to the intervention itself rather than external factors. This separation ensures that the results obtained are reliable and can confidently attribute any differences in outcomes to the experimental manipulation. Including a control group allows researchers to assess the true impact of the intervention and draw valid conclusions about its efficacy. Therefore, the control group plays a crucial role in the experimental design, providing a reference point for evaluating the effects of the intervention and ensuring the validity and reliability of the study’s findings.

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