AND

– Retrieves results from only one database at a time

OR – Retrieves results from multiple databases

NOT – Limits results to peer-reviewed articles

AND

– Excludes results that contain a specific term

OR – Excludes results that contain any of the search terms

NOT – Retrieves results that contain all the search terms

AND – Narrows your search by retrieving results

that contain all the search terms

OR – Broadens your search by retrieving results that contain any of the search

terms

NOT – Excludes results that contain a specific term

AND

– Broadens your search by retrieving results that contain any of the search

terms

OR – Narrows your search by retrieving results that contain all the search

terms

NOT – Includes results that contain a specific term