What effect does television have on the eating habits of children?
The main concepts are: – television – eating habits – children A clear description of the main ideas of a subject, such as in the example terms highlighted above, sets the boundaries or parameters of a search, focusing on essential information. In the library, use a Thesaurus or the Subject Headings List to determine the other terms or related terms to describe the main concepts. Find Background Information After you have identified the main concepts of a topic, find some background information to establish the broad context of the subject and to provide a sense of some of the information that is already known. The basic starting points for background information are sources of established knowledge like subject encyclopedias, dictionaries, textbooks, and reviews of literature. These sources can provide helpful keywords, identifiers, or subject headings to use. Also, the additional sources cited in bibliographies and reference lists at the ends of articles are good starting points for
