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  2. Wikipedia:Identifying and using primary sources - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Identifying_and...

    A primary source can have all of these qualities, and a secondary source may have none of them. Deciding whether primary, secondary or tertiary sources are appropriate on any given occasion is a matter of good editorial judgment and common sense, not merely mindless, knee-jerk reactions to classification of a source as "primary" or "secondary".

  3. Wikipedia : Primary Secondary and Tertiary Sources

    en.wikipedia.org/wiki/Wikipedia:Primary...

    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 ...

  4. Wikipedia:Evaluating sources - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Evaluating_sources

    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 ...

  5. Wikipedia:Reliable sources - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Reliable_sources

    Prefer secondary sources – Articles should rely on secondary sources whenever possible. For example, a paper reviewing existing research, a review article, monograph, or textbook is often better than a primary research paper. When relying on primary sources, extreme caution is advised.

  6. Wikipedia : Identifying reliable sources (science)

    en.wikipedia.org/wiki/Wikipedia:Identifying...

    The line between primary and secondary sources is not always clear. In general, primary sources include descriptions of an individual experiment or a series of experiments by the same research group; secondary sources include independent review articles summarizing a line of research or rectifying apparently discordant results.

  7. Secondary research - Wikipedia

    en.wikipedia.org/wiki/Secondary_research

    v. t. e. Secondary research involves the summary, collation and/or synthesis of existing research. Secondary research is contrasted with primary research in that primary research involves the generation of data, whereas secondary research uses primary research sources as a source of data for analysis. [1] A notable marker of primary research is ...

  8. Historical source - Wikipedia

    en.wikipedia.org/wiki/Historical_source

    In scholarship, a secondary source [4] [5] is a document or recording that relates or discusses information originally presented elsewhere. A secondary source is one that gives information about a primary source. In a secondary source, the original information is selected, modified and arranged in a suitable format.

  9. Wikipedia : Identifying reliable sources (medicine)

    en.wikipedia.org/wiki/Wikipedia:Identifying...

    Peer-reviewed medical journals are a natural choice as a source for up-to-date medical information in Wikipedia articles. Journal articles come in many different types, and are a mixture of primary and secondary sources. Primary publications describe new research, while review articles summarize and integrate a topic of research into an overall ...