What is meant by the concept of leakage and how might it be prevented

What is meant by the concept of leakage and how might it be prevented

1. What is meant by the concept of leakage and how might it be prevented?

2. Define reliability and describe two ways to assess it.

3. Briefly describe the attributes of the four main types of program evaluation research.

4. Define the case study method and describe its strengths and limitations.

5. Describe two varieties of e-surveys. What are the advantages and disadvantages of e-surveying?

6. If you are conducting a written survey, what can you do to increase the return rate?  What is meant by a nonresponsive bias?

7. What is plagiarism?

8. What is APA Citation Format and give an example (page 509).