Search with Boolean Operators

A Boolean Operator is a word that communicates search functions. AND, OR, and NOT are the Boolean operators used in searching databases to combine terms and search more efficiently.

AND = Results contain BOTH terms.
OR = Results contain EITHER term.
NOT = Results have the first term(s), but not the term following NOT.

Boolean operator

Search Strategies

Use the chart below to guide you in developing effective search expressions.

Search Strategies

Evaluate Your Resources

Evaluate your source and information.

  • Is the author and/or publisher credible?
  • Is the source reliable?
  • For a study, is the purpose of the information clearly identified?
  • Is the information current?
  • Is there bias in the information? Is the author biased?
  • Is the work organized?
  • Is the work indexed?

Sample Searches for "Popular Topics"

Listed below are several topics with sample searches. Explore a variety of search expressions in multiple databases. Click a sample search link below to view the search and results.
Edit the search expression to match your topic.
Set required limits, such as peer reviewed and date restrictions.
Use the Choose Databases link to add or change databases to search.
Sign in to your personal EBSCO folder to save articles and view them later.