Final answer:
The control group in a study testing different laundry soaps would be a group of unwashed clothes. This group serves as a baseline for comparison against the experimental groups.
Step-by-step explanation:
The control group in a study testing the effectiveness of different laundry soaps in cleaning clothes would be a group of clothes that did not get washed. The purpose of the control group is to provide a baseline for comparison against the experimental groups that are washed with different soaps. By not washing the clothes in the control group, any changes or differences observed in the experimental groups can be attributed to the effects of the soap being tested.
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