Pros and Cons of Nonexperimental Research Nonexperimental research is sometimes criticized for its general low level of control; however, it is probably the most commonly used quantitative approach in psychology and the social sciences in general. For this discussion, evaluate the nonexperimental approach, including correlation design and regression models. Discuss three limitations and three strengths of the approach. As part of your discussion, you might think of issues surrounding internal validity, external validity, and ethics.
