Confirmation bias – A tendency to search for information that confirms one’s preconceptions.
– David Myers, Social Psychology, 8th Ed., pg. 112.
Confirmation bias – connotes the seeking or interpreting of evidence in ways that are partial to existing beliefs, expectations, or a hypothesis in hand.
– Raymond Nickerson, Review of General Psychology, 1998
No doubt all sides of recent political and public policy issues will accuse each other of engaging in confirmation bias. However, let’s see how many examples we can find. I may be adding more to this post as time permits.