Chapter 5 enplanes about evaluating sources and which sources to use, that will get you the best information. Any information your putting in to your paper should be useful to the reader. Make sure you get all the evidence that you need, don't leave anything out, try to get more information then needed. Really look in to the author  see if they are an expert in their field, or they could be someone that is just trying to put there own option out there with out any knowledge of the topic. After taking a loot at the author next look who published the newspaper, journal or web site. Take a look when the site was published, maybe the information your looking up is from 20 years ago and by now times have changed. That is very important to look at dates and the time line between all your information on your topic. All of the sources that you find you should evaluate the same way and make sure your information is all true. With finding your information you need to be proactive with your topic.