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An important use of secondary sources in the field of mathematics has been to make difficult mathematical ideas and proofs from primary sources more accessible to the public; [20] in other sciences tertiary sources are expected to fulfill the introductory role.
These examples demonstrate why primary, secondary, and tertiary source definitions can be difficult for some editors to grasp, and a source for contention. While it is useful to grasp these distinctions, it is most important to just keep focused on using these sources in a manner which does not involve original research.
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]
"[It is not] always easy to distinguish primary from secondary sources. A newspaper article is a primary source if it reports events, but a secondary source if it analyses and comments on those events". [3] "In the humanities, age is an important factor in determining whether an article is a primary or secondary source.
A tertiary source is an index or textual consolidation of already published primary and secondary sources [6] that does not provide additional interpretations or analysis of the sources. [7] [8] Some tertiary sources can be used as an aid to find key (seminal) sources, key terms, general common knowledge [9] and established mainstream science on a
Sources of information are commonly categorized as primary, secondary, or tertiary sources.In brief, a primary source is one close to the event with firsthand knowledge (for example, an eyewitness); a secondary source is at least one step removed (for example, a book about an event written by someone not involved in it); and a tertiary source is an encyclopaedia or textbook that provides a ...
Secondary sources provide an author's own thinking based on primary sources, generally at least one step removed from an event. It contains an author's interpretation, analysis, or evaluation of the facts, evidence, concepts, and ideas taken from primary sources. Secondary sources are not necessarily independent or third-party sources. They ...
A secondary source summarizes one or more primary or secondary sources to provide an overview of current understanding of the topic, to make recommendations, or to combine results of several studies. Examples include literature reviews or systematic reviews found in medical journals, specialist academic or professional books, and medical ...