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In addition to whatever outcome measures you pick, consider including measures of implementation fidelity in your evaluation. Since the goal of evaluation is to draw conclusions about the program itself—not just a particular instance of its implementation—it is important to be confident that the program was implemented as intended. Fidelity measures are specifically tied to your program components, so it makes sense for you to develop these instruments yourself or work with an evaluator to develop them. Activity logs, record review, observation, and interviews are among the ways to measure fidelity.

When you measure implementation fidelity, you will be answering these questions:

  • Is the program being delivered as designed? (e.g., Are core components being implemented in the proper order?)
  • Are program recipients receiving the proper "dose" of the program? (e.g., Are all sessions implemented? Is each session of the length specified?)
  • Is the quality of program delivery adequate? (e.g., Are providers trained and skilled in delivery of the program?)

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