What know-it-alls don’t know, or the illusion of competence

By Kate Fehlhaber – This ‘illusion of confidence’ is now called the ‘Dunning-Kruger effect’, and describes the cognitive bias to inflate self-assessment.

It’s typical for people to overestimate their abilities. And similar trends have been found when people rate their relative popularity and cognitive abilities.

The problem is that when people are incompetent, not only do they reach wrong conclusions and make unfortunate choices but, also, they are robbed of the ability to realize their mistakes.

Instead of being confused, perplexed or thoughtful about their erroneous ways, incompetent people insist that their ways are correct. As Charles Darwin wrote in The Descent of Man (1871): ‘Ignorance more frequently begets confidence than does knowledge.’

After all, as Confucius reportedly said, real knowledge is knowing the extent of one’s ignorance. more> https://goo.gl/MkSn8M

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