The science of protecting people’s feelings: why we pretend all opinions are equal

It’s both the coolest — and also in some ways the most depressing — psychology study ever. Indeed, it’s so cool (and so depressing) that the name of its chief finding — the Dunning-Kruger effect — has at least halfway filtered into public consciousness. In the classic 1999 paper, Cornell researchers David Dunning and Justin Kruger found that the less competent people were in three domains — humor, logic, and grammar — the less likely they were to be able...

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