The Boolean operator AND is used to:

A) eliminate citations.
B) add variations to a search.
C) expand a search.
D) segregate synonymous citations.
E) narrow a search.

Boolean Operator

Logical terms (such as AND, OR, NOT) used in search engines and databases to refine and specify search queries.

Narrow A Search

The process of refining search criteria to reduce the number of results and more precisely locate specific information.

Citations

References or quotations from or to books, papers, or authors, especially in academic work.