To find scholarly articles on your population of interest, use library databases like the following:
Try searches like these, substituting keywords for your population of interest:
To find information on how the Affordable Care Act (ACA) effects your population of interest, try a simple Google search. Advocacy organizations and other websites will have information on how the ACA affects specific populations.
Here are some examples of how you can search Google, depending on your population of interest:
You can even try searches that limit your results to only government (.gov) websites, or organization (.org) websites, for example:
Whatever type of website you find and use, evaluate it to make sure it is appropriate to use in a resesarch project.
For your capstone project, you may want to find social science empirical research articles.
An empirical research article is written by researchers (social scientists, behavioral scientists, gerontologists, psychologists, etc) to desribe an experiment, survey, or other direct research the authors have done. An empirical research article will be published in a scholarly journal, and it will almost always be written in fairly technical language and contain a good deal of statistics, often presented in tables and charts. It will also have a long list of cited references.
Often, the structure of an empirical research article will look like this:
Library databses like SocINDEX with Full Text, APA PsycInfo, and others contain many empirical research articles.