Research Guides
| AND | Retrieves items that contain both terms. Good for combining topics to narrow a search. | memory AND trauma |
| OR | Retrieves items that contain at least one of the terms. Use for similar terms. | memory OR remember |
| * | Retrieves word variants, such as trauma, traumas, traumatic | trauma* |
| " " | Retrieves the exact phrase contained by the quotation marks. | "intrusive thoughts" |
| ( ) | Tells search system how to combine terms and in which order. Article needs to mention trauma and EITHER memory or intrusive thoughts. |
trauma* AND (memory OR "intrusive thoughts") |
Database filters help you narrow your search.
Databases might let you filter by:
Filter options are typically on the left side of the search results screen.