Last Updated: Jan 22, 2018     Views: 20

Primary sources are those created first-hand, providing direct evidence and information about a person, event or subject. Primary sources may include:

  • letters
  • notes
  • raw data
  • social media interactions
  • scientific papers reporting on experimental research

Secondary sources build on primary sources to describe, analyze, comment about or evaluate information relating to a person, event or subject. Secondary sources may include:

  • newspaper or journal articles
  • books
  • reviews (book reviews, movie reviews)
  • literature reviews


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