Suppose that you want to test the effects of different dishwashing detergents on dishes that have food stuck to them. To test th
e differences, you wash three loads of the same dishes, each with a different type of detergent, all in warm water. You also wash a fourth load of dishes with only warm water. What is the control in this experiment?
using different types of detergent
washing the dishes in warm water only
finding how clean the dishes get depending upon which detergent is used
"Washing the dishes in warm water only" is the one among the following choices given in the question that is the control in this experiment. The correct option among all the options that are given in the question is the second option or the penultimate option. In this experiment, the warm water remains constant and only the detergent changes.
