In all science experiments variables can be: changed measured, or controlled. It is really important that only one variable is changed and one measured. All others must all be kept the same.

Full factorial DOE, or Design of Experiments, is a method of designed experimentation. Using this method you manipulate the controllable factors (independent variables or inputs) in your process at ...

Understanding cause-effect relationships between variables is of primary ... such relationships uses randomized controlled perturbation experiments. In many settings, however, such experiments ...