Bias - Personal beliefs, opinions, or attitudes that prevent impartial consideration about a particular topic.
See also: Objectivity
Bibliographic citation - Information that identifies a book or journal article. Information for a book usually includes the author, title, publisher, and date. The citation for an article includes the author, title of the article, title of the periodical, volume, pages, and date. Some databases contain only citations to books and articles.
Boolean logic - Use of operators AND, OR, NOT to combine search terms. (see KEYWORDS/KEYWORD SEARCHING).