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Introduction to Research: Boolean Operators

Using AND

Venn Diagram of the word and

Using NOT

Venn Diagram of the word not

Using OR

Venn Diagram of the word or

Boolean Video Tutorial

Most databases allow for Boolean Searching. Use AND to narrow, OR to expand, NOT to exlude.  Truncation is also useful for bringing back all relevant results.  For example, type counsel* to bring back documents containing the words counsel, counseling, counselor...

View the video below for more information: