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Primary sources are also sets of data, such as health statistics, which have been tabulated, but not interpreted. 1  Journals or Periodicals: main type of publication in which scientific research is reported. 2  May be published by learned societies or by commercial publishers. 3  A researcher(s) submits an article to a journal.
Characteristics of Primary Sources Primary sources can either be first-hand observation/analysis, or accounts contemporary with the events described. Primary sources document events, people, viewpoints of the time. When research is more era, rather than event driven, scope of possible primary sources broadens considerably. Primary sources represent one person's perspective; frequently will be used with secondary/tertiary sources to broaden the lens through which a researcher is looking at an event, era, or phenomenon.