Use Quotation Marks
Boolean Search
And / Or / Not
Boolean connectors are all about sets. Think of each keyword as having a "set" of results that are connected with it. These sets can be combined to produce a different "set" of results. You can also exclude certain "sets" from your results by using a Boolean connector.
AND is a connector that requires both words to be present in each record in the results. Use AND to narrow your search.
Search Term Hits:
Television 999 hits
Violence 876 hits
Television and violence 123 hits (The words 'television' and 'violence' will both be present in each record.)
OR is a connector that allows either word to be present in each record in the results. Use OR to expand your search.
Search Term Hits
Adolescents 97 hits
Teenagers 75 hits
Adolescents or teenagers 172 hits (Either 'adolescents' or 'teenagers' (or both) will be present in each record.)
NOT is a connector that requires the first word be present in each record in the results, but only if the record does not contain the second word.
Search Term Hits
High school 423 hits
Elementary 652 hits
High school not Elementary 275 hits (Each record contains the words 'high school', but not the word 'elementary'.)
Boolean connectors are all about sets. Think of each keyword as having a "set" of results that are connected with it. These sets can be combined to produce a different "set" of results. You can also exclude certain "sets" from your results by using a Boolean connector.
AND is a connector that requires both words to be present in each record in the results. Use AND to narrow your search.
Search Term Hits:
Television 999 hits
Violence 876 hits
Television and violence 123 hits (The words 'television' and 'violence' will both be present in each record.)
OR is a connector that allows either word to be present in each record in the results. Use OR to expand your search.
Search Term Hits
Adolescents 97 hits
Teenagers 75 hits
Adolescents or teenagers 172 hits (Either 'adolescents' or 'teenagers' (or both) will be present in each record.)
NOT is a connector that requires the first word be present in each record in the results, but only if the record does not contain the second word.
Search Term Hits
High school 423 hits
Elementary 652 hits
High school not Elementary 275 hits (Each record contains the words 'high school', but not the word 'elementary'.)
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