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Simpson Library | Special Collections

Information Evaluation: Information Timeline

Information Timeline

Sometimes, the timeliness of a source (when was the information published/posted?) plays a large part in how it is evaluated. By virtue of their nature, some types of sources can be expected to provide instant-but-not-yet-fact-checked-accounts (social media posts), while others require months/years worth of research and editing before they are published (academic textbooks).

Take a look at the inforgraphics and videos below in order to learn more about how the "information timeline" and "information cycle" can play a large role in how we evaluate our sources.

Infographic: The Information Timeline

Video: The Information Cycle (Joshua Vossler)

Video: The Information Cycle (Portland State University Library)

Video: The Information Cycle (Kimbel Library)


This guide is based on the work of Mike FitzGerald, Los Angeles Valley College Library, which can be found here.

The SIFT Method portion of this guide was adapted from "Check, Please!" (Caulfield). The canonical version of Check, Please! exists at (CC-BY). As the authors of the original version have not reviewed any other copy's modifications, the text of any site not arrived at through the above link should not be sourced to the original authors.