Every day that passes seems to suggest that the Dunning-Kruger Effect is at work on an industrial scale, in both the US, with the Trump Presidency, and the UK over Brexit. But then I may be biased. I thought it worth including the useful Wikipedia summary of the underlying research that is perhaps best captured by Shakespeare’s more balanced : “The fool doth think he is wise, but the wise man knows himself to be a fool” (As You Like It Act V.i)
The Dunning–Kruger effect is a cognitive bias in which low-ability individuals suffer from illusory superiority, mistakenly assessing their ability as much higher than it really is. Psychologists David Dunning and Justin Kruger attributed this bias to a metacognitive incapacity, on the part of those with low ability, to recognize their ineptitude and evaluate their competence accurately. Their research also suggests corollaries: high-ability individuals…
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