1. In what ways do practical and statistical significance work together to help us understand program effects? Can one be important to aprogram evaluator withoutthe other? If so, how? If not, why not? If examples help you make your points, feel free to add them in.

2. What is efficiency analysis? And how can it be used at different stages in a program(planningthroughimplementationand modification)?

3. What are the differences between cost-benefit and cost-effectiveness analysis? Can you providean exampleof when oneis more appropriate to usethanthe other? And explainwhy?