Instructions
In this module you have focused on learning about the principles and logic behind research design. As you work with your team on your research design project in this course, it is important to know what type(s) of research design is (are) appropriate for the proposed research question. For this discussion, you will write an original post in which you address the questions listed below.

Which type of research design (experimental or quasi-experimental) do you think is more likely to have higher validity? Why?
What type of methodology would you use to evaluate the effectiveness of a family preservation/child welfare intervention aimed at reducing the risk for future neglect or abuse in families referred for abuse or neglect?

Readings:

Auerbach, C., & Zeitlin, W. (2015). Making your case: Using R for program evaluation. New York, NY: Oxford University Press.
Read Chapter 5

Grinnell, R. M., & Unrau, Y. A. (2014). Social work research and evaluation: Foundations of evidence-based practice (10th ed.). New York, NY: Oxford University Press.
Read Chapters 18-21 and Chapter 28