As you begin to answer your research questions, you need to be sure that you are using the best possible sources of information. You will likely find a variety of sources during your research: books, articles, Web documents, interviews, DVDs, and more. For each and every source you use you want to make sure it passed the CRAAP test:
As you set out to answer your research questions, you will come across many different sources. It is crucial you understand that not all sources are created equal! There are many types of sources, and although they can all potentially play some role in your research, not all are suitable for inclusion on an academic bibliography. Types of sources include Scholarly, Substantive, and Popular publications. It is essential you are able to identify them and understand their differences.