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XU.TUTOR

Defining the Question
Identifying Resources
Improving a Search
Evaluating Websites
Preventing Plagiarism
Understanding Copyright

 
 

 

 

   
  Improving a Search
   
 

2. Combining key concepts using and, or, not

The Boolean operators AND, OR, and NOT are used to combine search terms to increase or decrease the number of search results.

Operator Effect Results Terms included
OR Broadens Increases Any
AND Narrows Decreases All
NOT Narrows Decreases All but NOT term

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