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Megan Kirts's avatar

That "41% of men under 30..." stat made me laugh out loud! Also, I love your description of a cognitive bias like overconfidence as a "factory setting in the human mind." Thanks, Jadrian! This one led to a lot of discussion at Econiful :)

Phillip Tussing's avatar

Sure. In psychology, you are precisely describing the Dunning-Krueger Effect (DKE). As in this article, there is usually no hesitation in saying that the effect is "universal". Since the original 1999 paper, there has been a lot of further investigation. DKE is not an overconfidence problem -- to a great extent it is a metacognition problem -- the person who does not have a skill is not surprisingly bad at assessing how difficult the skill is and whether they are capable of doing it. The most effective way of mitigating the mis-assessment of skill level is to teach the person the skill. There is also a cultural aspect: people in Far Eastern cultures (Japan, China) exhibit DKE at a lower level. Here is what I think (disclaimer: I am an Economist, not a Psychologist, so my assessment skill may be poor) is a pretty good overview:

https://yukaichou.com/behavioral-analysis/dunning-kruger-effect-incompetence-overconfidence/

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