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You have your question/problem formulated. What's next? Research.
Now you need to find out about your subject. You need background information before you move on to your next step, the hypothesis. What other research or experimentation is out there? Will this influence your experiment?
Where do you find this background information?
The LIBRARY. Note the Resources tab on this guide, and the Suggested Databases box in the right column of this page. Ask your friendly librarian about databases, print material, etc.
Discuss your topic with your friends, colleagues, and teachers. Everyone has an opinion or observation.