Evaluation Designs

Common Evaluation Designs

Most program evaluation plans fall somewhere on the spectrum between a quasi-experimental and non-experimental design. This is often the case because randomization may not be feasible in applied settings.  Similarly, establishing a true experimental design can be costly and time-consuming. The design you select should best fit your evaluation needs and the capacity of your organization.

In the following section you will find illustrations of specific evaluation designs which will help you decide how to structure your data collection efforts. Most of these designs, depending on specifics, would be either quasi-experimental or non-experimental.

There are two commonly used designs in program evaluation: they are the posttest design and the pretest/posttest design. Both these designs can be used with one group or integrate another group as a comparison.

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