The answer is controlled experiment because it is a way of
having both groups such as the experimental and control group and having
exception one variable in regards to the designed test. This is a type of
experimentation in a way that there is only one variable that is being adjusted
which could be referred to as the independent variable while the other variable
will only be the one affected of the variable that has been adjusted. The one
adjusted is the independent variable and the one that has been affected with
the change is the dependent variable. This could portray the experimental group
and the control group being done in an experiment.
