How do you know when to use bottom-up versus top-down modeling to answer a research question?

Answer these two questions in paragraph form and cite the resources used.
1. In this discussion, consider how research questions differ from one another. How do you know when to use bottom-up versus top-down modeling to answer a research question? As you learn about these two different models, does it impact your own research question? Why or why not?
2.Identify an organization that has undertaken an initiative to attain a higher maturity state around enterprise data management. Read Toyota’s Business Intelligence: Oh! What a Feeling. (http://www.cioinsight.com/c/a/Case-Studies/Toyotas-Business-Intelligence-Oh-What-a-Feeling/)
Post your organization and consider:
What was the organization’s initial maturity level with regards to data management?
What were the benefits of the initiative?
Which functions discussed in this module were the focus of the organization’s maturity initiative?