Applying Approaches

Applying Approaches

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In developing a program evaluation proposal, group research designs (GRDs) can be applied as a general plan for setting up the evaluation process. These evaluation models will provide a direction on the who, when, how, and what of the evaluation. They will serve as the basic foundation of the project. The first model is the pre-experimental design. Applying this approach in the project proposal would involve identifying the group receiving the intervention so that it can be observed after the intervention (Royse et al., 2016). This would help test if the intervention has any potential to cause change. 

The second evaluation model is a quasi-experimental design. Applying this approach in the project proposal assignment would involve; first identifying the group receiving the intervention. These are the participants exposed to an intervention. Then, a non-equivalent group would be identified. This is the group of people not exposed to the intervention. Then, the program evaluator would compare the two groups to determine the effect of the intervention (Royse et al., 2016). Participants would not be randomly assigned to these groups. This means there could some differences. To reduce such differences, the evaluator would try to select individuals who share the most similarities such as status. This would help improve the internal validity of the evaluation findings.

The third evaluation model is experimental. To apply this model, the program evaluator would start by assigning participants to the intervention group and the control group. This would be done randomly. This would help assume that both groups are equivalent before the evaluation starts. Then, the evaluator would use these groups to measure changes and determine if the intervention has had any desired effect on the intervention group (Royse et al., 2016). The random assignment of participants would help establish if the identified changes are the result of the intervention.


Grinnell, R. M., Jr., Gabor, P. A., & Unrau, Y. A. (2015). Four types of evaluations. In            Program evaluation for social workers). Oxford, England: Oxford         University Press.

Royse, D., Thyer, B. A., & Padgett, D. K. (2016). Program evaluation: An introduction to an evidence-based approach (6th ed.). Boston, MA: Cengage.