Illusory Truth Effect

Brought back to my attention by a Wired article on Viral scares now  floating about the internet, and when it makes sense to respond to them.    Made me reexamine this kind of 'bias' again.  The bias towards believing the familiar via frequent exposure.

... The illusory truth effect (also known as the validity effect, truth effect or the reiteration effect) is the tendency to believe information to be correct after repeated exposure ...   From the Wikipedia.

How to Not Fall for Viral Scares  in Wired. .... This is the illusory truth effect—a glitch in human reasoning that makes things that are familiar feel true. It’s why sometimes even fact-checking a lie can ultimately lead to more people believing it, because it increases the lie’s exposure. ... "