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Guide to Nursing Research

Proximity Operators

Use Proximity Operators

 

You can use a proximity search to search for two or more words that occur within a specified number of words (or fewer) of each other in the databases. Proximity searching is used with a keyword or Boolean search.

In Ebsco databases such as CINAHL, the proximity operators are composed of a letter (N or W) and a number (to specify the number of words). The proximity operator is placed between the words that are to be searched, as follows:

N

Near Operator (N) - N5 finds the words if they are within five words of one another regardless of the order in which they appear.

For example, type pain N5 relief to find results that would match pain relief as well as relief of pain.

W

Within Operator (W) - In the following example, W8 finds the words if they are within eight words of one another and in the order in which you entered them.

For example, type blood W8 glucose level to find results that would match blood glucose level but would not match glucose level in the blood.