Nada designs a study in which she has two control and two experimental groups. in the design, one control group and one experimental group receive a pretest each, while the other control group and experimental group do not. nada's design is an example of a design.

This is an example of a multiple-group experimental design. In this formation, there is more than one group that receives both the control variable and the measured variable, and the researcher is looking for whether the experimental variable actually has an effect on the group studied (and if so, to what level).

They shouldn’t because they should be educated on this topic, and if there not then teach them