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The purpose of this step is to take your broad topic and narrow it down to what you are specifically looking for so you can write your thesis/specific purpose statement. You want to look for subtopics or additional search terms in this step.
You can try searching the internet, using the Content Box in Wikipedia or search other encyclopedias to help narrow down your topic. You can not normally cite these sources for academic research (check with your professor), however they are great resources for narrowing down your topic.
In-depth articles on current and controversial issues. Each article offers a lengthy discussion of the issue, pros and cons, background information, a chronology, future outlook, a bibliography and links. Excellent resource. Included in EasySearch