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Primary, Secondary and Tertiary Sources: A Guide to Information Types.

This guide explains the differences between types of sources to help students choose the more appropriate type of information for their work.

Bias & Perspective

Bias is when a source delivers information in an unbalanced or prejudiced way, giving disproportionate weight to one perspective either for or against an idea/people/objects. The person could be intentional or unintentional with their bias and they might not even realize they are doing it.

Perspective is the point of view of the creator or author. Perspective my be shaped by a variety of factors such as the persons age, sex, cultural background, believes and values.

Bias Detection Checklist:

Author & Credentials




Where is the Source Found





Missing Perspectives



Data & Evidence




Tone & Language



References & Sources



Reputation & Feedback



Purpose & Intent