What is the meaning of "control" in a study with an experimental design?

Question

Quizplus · Accepted Answer

In an experimental design, "control" refers to the introduction of one or more constants into the experimental situation, which allows the researcher to compare the effects of the independent variable(s) on the dependent variable(s). This helps to ensure that any observed effects are attributable to the manipulation of the independent variable(s) and not to other factors that could confound the results. The other options are not accurate descriptions of the meaning of "control" in this context.

What Is the Meaning of "Control" in a Study with an Experimental