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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 ]
Examples in which a source can be both primary and secondary include an obituary [23] or a survey of several volumes of a journal counting the frequency of articles on a certain topic. [23] Whether a source is regarded as primary or secondary in a given context may change, depending upon the present state of knowledge within the field. [24]
A notable marker of primary research is the inclusion of a "methods" section, where the authors describe how the data was generated. Common examples of secondary research include textbooks, encyclopedias, news articles, review articles, and meta analyses. [2] [3]
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".
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 source material is based on primary and other secondary source material, and may include synthesis and novel conclusions. A tertiary source is one that is based on a broad base of material, usually secondary, without introducing new synthesis or conclusions. Many sources contain a combination of primary/secondary or secondary/tertiary ...
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 ...
For example, a peer-reviewed science article including original findings may include a scatter plot of data points and a cross-sectional x-ray (primary material), but it may also include valuable secondary material, such as the research team's synthesis and interpretation of prior published studies reviewed in the discussion of the results or ...