Week 4: Impact Evaluation: Identifying and Interpreting Program Effects
4.2 Key Issues and Concepts in Impact Evaluation Part 1
What Is Impact Evaluation?
Did the program work?
How well did it work?
Types of Impact Evaluation Questions
Did the program produce the expected effects among the target population
Were there any unanticipated consequences—negative side effects?
What are the differential effects of the program—how do effects vary, and what factors
are associated with the variability?
Is that variability associated with intensity of exposure to the program—is there a dose-
Implementation Fidelity Questions