In searching database subject headings, you would use the ____________ technique to broaden the search by locating all records indexed to your search term plus any that include the term in a related, narrower category.
a. exploding
b. Boolean
c. qualification
d. nesting
Question 2
In which situation does the use of key words provide better results than a controlled vocabulary search?
a. finding standardized hierarchical lists that represent major subject concepts
b. searching full text or citation records
c. searching for a particular subject
d. searching for exact matches
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