The review should not be comprehensive.

3​‌‍‍‍‌‍‌‍‍‍‌‌‌‍‌‌‌‌‌‌​. Literature Review- Review of What is Known About the Problem- Facts included must contain a citation of their source. Include conclusions about what needs to be studied based on the literature. The review should not be comprehensive. It should only document what is the problem and why it’s important.

prior research, theory, opinions, or practice that relates to the problem,
what is known about the problem?

**A research source is an arti​‌‍‍‍‌‍‌‍‍‍‌‌‌‍‌‌‌‌‌‌​cle, monograph, book or other publication that presents original research findings. It may be from a webpage if the webpage is sponsored by a credible source of scientific knowledge (such as a professional association or research institute).

**Newspapers, media webpages, journalistic research summaries, or opinion pieces do not count towards the “fifteen professional sources”; but they may be cited to justify the importance of the problem​‌‍‍‍‌‍‌‍‍‍‌‌‌‍‌‌‌‌‌‌​.