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B1+ Dunning–Kruger Effect: Why People Overestimate Their Skills

In a Swedish study published in 1981, 93% of American drivers and 69% of Swedish drivers claimed that their driving skills were above average. This is impossible as more than 50% of people cannot be above average. Another study done in 1992 found that 42% of the engineers at a US company assumed that they were among the company's top 5% engineers! So what is the cause of this inflated belief in one’s own abilities?

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