The next step in your research strategy is to state the question or questions that your research is designed to answer. Writing down your questions helps you clarify your topic in your own mind and can help focus your research on the right sources and the right subjects.
For example:
What are the effects of stress on college students?
The next step is to identify the most important concepts in your research question. These concepts will be the keywords that you will use in your searching.
What are the effects of stress on college students?
Tip: Keywords tend to be nouns.
