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Scipione Amati's History of the Kingdom of Woxu (1615), an example of a secondary source. In scholarship, a secondary source [1] [2] is a document or recording that relates or discusses information originally presented elsewhere. A secondary source contrasts with a primary, or original, source of the information being discussed. A primary ...
Secondary market research can be broken up into two categories: information from internal sources such as an agency or company, and information from external sources held outside an organization or agency. [6] Secondary market research uses information from the past, reuses data already collected, and is more economical.
Secondary data refers to data that is collected by someone other than the primary user. [1] Common sources of secondary data for social science include censuses , information collected by government departments, organizational records and data that was originally collected for other research purposes. [ 2 ]
For example, the H5N1 situation is literally a new thing on the Earth with no known precedent for its current behavior so that much information about flu is out of date and some secondary sources rely on experts who haven't kept up. Primary sources were occasionally necessary to clarify a confused, changing, and very important topic.
Wikipedia articles should be based mainly on reliable secondary sources, i.e., a document or recording that relates to or discusses information originally presented elsewhere. Reputable tertiary sources , such as introductory-level university textbooks, almanacs, and encyclopedias, may be cited.
According to Wikipedia's verifiability policy, any material that is challenged or likely to be challenged must be accompanied by a reliable source.In general, the most reliable sources are (a) peer-reviewed journals and books published in university presses, followed by (b) university-level textbooks; then by (c) magazines, journals, and books published by respected publishing houses; then by ...
Book reviews are generally secondary sources if they provide information beyond a basic description of the book's contents. Book reviews are often a mix of primary and secondary material: e.g., an analysis of some aspect of the book (secondary) plus the reviewer's rating or opinion about the book (primary).
The American Library Association's Presidential Committee on Information Literacy defined information literacy as the ability "to recognize when information is needed and have the ability to locate, evaluate, and use effectively the needed information" and highlighted information literacy as a skill essential for lifelong learning and the ...