Which type of group is not exposed to the independent variable in an experiment?

The control group is not exposed to the independent variable in an experiment because it serves as a baseline for comparison against the experimental group, which does experience the independent variable. By keeping the control group free from the treatment or manipulation that the experimental group receives, researchers can determine the effect of the independent variable more accurately. This helps to isolate the variable being tested and ensures that any changes observed in the experimental group can be attributed to that variable rather than to other factors. The presence of a control group is crucial in experimental design to validate the results and ensure the reliability of the conclusions drawn from the experiment.