theoretical foundation Doctoral Discussion 2 parts, writing homework help

Part 1 

Why it is appropriate to provide the theoretical foundation for your problem statement? How does a theoretical foundation specifically link to the problem statement for the study? What are two of the theories or models that comprise the theoretical foundations for your study? Why do you believe these are relevant to the study?

Part 2 

How do the results of research studies advance or impede theories or models? Give examples using the two theories or models you identified in the previous discussion question in this Topic. How do you expect that the results of your dissertation study may advance knowledge of this theory or model? Explain.