Unformatted text preview: factual overview for a particular topic. Frequently
these sources can be found in reference materials such as encyclopedias, guidebooks, handbooks, and so forth.
http://www.lib.umd.edu/UES/primary-sources.html Prepared September 2, 2009 by Maag Library Youngstown State University Database Search Strategies for Biology
Truncation – Method used to search variations on a word. Frequently used symbols are *, $ or ?
Searches for: automobile, automotive, automobiles
Wildcard – Replaces a letter in a word by using a particular symbol; usually the symbol is “?”
Searches for: automate and automotive
Boolean Operators – Search commands using the terms (“and,” “or,” “not”) to broaden or narrow a search.
(1) Clinical trial* AND moral*
(2) Clinical trial* AND moral* AND ethic*
(3) Clinical trial* AND moral* OR ethic*
(4) Clinical trial* AND moral* NOT ethic*
Searches for: (1) includes both terms; (2) includes all 3 terms; (3) includes first term and either the f...
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