Search example:
This search can be refined and expanded by using search commands called Boolean:
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Search Commands |
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* |
asterisk |
to truncate words at their roots or stems |
autis* = autism, autistic child* = child, child's, children, etc. preschool* = preschool, preschools, preschoolers |
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“ “ |
quotation marks |
to enclose a phrase or name |
"pervasive development disorder" |
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OR |
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to connect related terms |
autis* OR "pervasive development disorder" |
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( ) |
parentheses |
To nest terms when for searches with multiple commands |
(autis* OR "pervasive development disorder")
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AND |
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to combine multiple facets |
(autis* OR "pervasive development disorder") AND child* AND preschool* |
So if we wanted to find about children with autism in preschool our search could be:
(autis* OR "pervasive development disorder") AND child* AND preschool*
In the database search box it would look something like this: 
Another example could be:
(attach* OR bond* OR separat*) and (infan* OR toddler*) and anxiety
You may not get the perfect search the first time but synonyms for broadening a search are discovered through trying a general search first.
