The problem with “single source” information.
I posted something about the problem with right-wing news making claims picked up by Fox picked up by Trump broadcast on Twitter, reported by other news, seemingly confirming right-wing news making the claims.
But this is nothing new. This is from 1988, Probabilistic Reasoning in Intelligent Systems: Networks of Plausible Inference by Judea Pearl, which shows the same process and the same problem in a different context.
You can find examples of this in many areas but news (from whatever leaning) is a prime example.
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