2.4 Creating Search Statements

OR broadens my search by retrieving matches for either term and increases the number of results. OR works well with terms that have roughly the same meaning. Click Play below to see OR in action.

Example: MRSA OR Methicillin-resistant Staphylococcus aureus

Nesting lets me make more sophisticated searches. When I combine words with an OR and also want to narrow my search with an AND, I need to put the OR statement in parentheses:

Example: treatment AND (MRSA OR Methicillin-resistant Staphylococcus aureus)

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