Boolean Operators
Once you have a good set of keywords, use Boolean operators (named for mathematician George Boole) to narrow, broaden, or refine your search.
![Chart showing use of Boolean Operators: AND to combine terms for a narrower search, OR to broaden a search by finding records with either of 2 terms, NOT to refine a search by locating records with the first but not the second of 2 terms.](https://s3.amazonaws.com/libapps/accounts/104204/images/boolean.gif)
http://www.library.kent.edu/images/boolean.gif
Try searching with different groupings and keyword combinations.
- (college females OR young adults) AND (eating disorders OR bulimia OR anorexia)
- (children OR adolescents) AND violence AND (television NOT video games)
Truncation and Wildcards
Use an * at the end of a word to search for all forms of that word.
- educat* will return results for education, educator, educated, educating;etc.
- environment* will also return results for environmentalism and environmentalist
An * can also be used to replace a character in a word.
- wom*n will search for women and woman