The community health nurse is trying to locate information about physical therapy among the developmentally disabled. Which would be the best search string to locate this information?
A) Physical therapy
B) Physical therapy OR developmentally disabled
C) Physical therapy AND developmentally disabled
D) Physical therapy NOT developmentally disabled
Ans: C
The Boolean word AND instructs the search engine to return only resources that have both terms in the documents, resulting in more effective searching. The OR word enlarges the search yield by identifying all information focused on both terms searched. The NOT word can be used to limit yields when searching by identifying what you do not want. Limit setting is a tool to increase the precision of searches.
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