Brainstorm broader, narrower, and related terms.
In nurses (P), what is the effect of high nurse patient ratios (I) compared to low nurse patient ratios (C) on medication errors (O)?
Typing the Boolean Operators AND, OR, and NOT into the library catalog or databases allow you to broaden or narrow your results.
Add more keywords.
Adding additional keywords to your search can help to further narrow your topic.
Example: nursing AND music therapy AND pediatrics
Broaden your search by using OR to link your terms.
Example: nursing AND (music therapy OR music intervention) AND (pediatrics OR children OR adolescents)
Once you find a good article:
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