Understanding Information
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Primary vs. Secondary Sources*

What's the Difference?

Often you may want to locate the original source of information or get as close to it as possible. 


Primary sources...

 

Secondary sources...

  • are uninterpreted sources of information.
  • allow you to examine evidence firsthand without being affected by other intermediary opinions.
  • allow you to draw comparisons between your assessments and the conclusions of others.
  • may be scattered and disorganized.
  • are sometimes described by their formats (e.g., letters and diaries as opposed to books).

 

  • interpret the “primary” literature, or guide readers to the primary material.
  • make information more accessible by repackaging it in a more accessible form
  • are far removed from the original event.
  • are sometimes described by their formats (e.g., books, journals, textbooks, anthologies, etc.)

Primary and secondary sources can also be distinguished by how they relate to the original event that’s relayed. The further removed in time the source is from the event, the more likely it is to be a secondary source.   See Records Along the Time Line to better understand the types of sources that constitute primary versus secondary sources. For further descriptions of primary resources, see: 

An excellent example of Primary Source Information is government publications (laws, reports, etc.) often found online. 
 

*from http://www.libraries.psu.edu/instruction/infolit/andyou/mod3/privssec.htm