At this stage of your research, notes have been taken, and the  resources have been  sorted and classified.  Careful researchers like to analyze the resources  they have  and use only the best sources and those that go directly to the question being researched.  In the end, all researchers have to make the final decision as to which resources are valid and how to use them in their final write up.; as a matter of fact, part of the write up is a discussion of the sources used.