What Nonequivalent Control Group Design?

Nonequivalent control group designs detect associations at the intervention level. The nonequivalent control group design is perhaps the most popular quasi-experimental design. ... Study groups are randomly assigned to either receive the treatment or receive a control treatment.

What is a nonequivalent control group design example?

Imagine, for example, a researcher who wants to evaluate a new method of teaching fractions to third graders. ... This design would be a nonequivalent groups design because the students are not randomly assigned to classes by the researcher, which means there could be important differences between them.

What is the purpose of Nonequivalent Group designs?

The posttest only nonequivalent control group design is used to show that a treatment was effective in a preexisting treatment group. Thos in the preexisting treatment group are compared to a control group of similar types of persons.