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Module Two

NESTING

Once you have mastered the use of Boolean connectors, you can create a complex search with a technique called nesting. In effect, you are doing many searches at once. Parentheses are used to group together concepts.

(teenagers OR minors) AND (drinking OR alcohol)

This one search will retrieve results that contain one or more of these combinations:

teenagers and drinking

teenagers and alcohol

minors and drinking

minors and alcohol

You may group as many keywords as you need.

(teenagers OR minors OR adolescents) AND (drinking OR alcohol)

The above search will retrieve results that contain one or more of these combinations:

teenagers and drinking

teenagers and alcohol

minors and drinking

minors and alcohol

adolescents and drinking

adolescents and alcohol

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