Keyword v. Subject

What's the difference between a keyword and a subject search?

Keyword Search Subject Search
searches for terms anywhere in the record searches for terms in subject field only.
may search using any term or group of terms controlled vocabulary (must use assigned subject headings)
Broadens search results narrows search results
usually the default search usually available from advanced search screen
Use ROGER to identify the correct subject headings for the following keywords:
marijuana
tobacco
ecstasy
aerobics
immigrants
fads
Use the PsycInfo Subject Thesaurus to identify the correct subject headings for these topics:
marijuana
tobacco
ecstasy
aerobics
immigrants
fads
Use the ERIC Subject Thesaurus to identify the correct subject headings for these topics:
senior citizens
hearing impaired

Research Fundamentals