IDEA #11
How good do you think you are?
The better-than-average effect and worse-than-average effect.
What you need to know
A large number of studies have consistently supported the idea that humans have a cognitive bias towards overestimating their own abilities and skills; from IQ scores to healthy living to happy relationships. For example, in a 2000 survey, 87 per cent of Stanford MBA students rated their academic performance as above the median – a clear mathematical impossibility! This bias appears to be most marked for unskilled individuals. The ‘Dunning-Kruger effect’ (named after the academics who uncovered the finding) notes ...
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