The Dunning-Kruger effect is a cognitive bias in which low-ability individuals wrongly assess their cognitive ability as greater than it is. This leads them to overestimate their own ability and to underestimate the ability of others.
The Dunning-Kruger effect can have important implications for many areas of life, including education, workplace, and personal relationships. It can teach us the importance of accuracy in self-evaluation, and the dangers of overconfidence. It can also remind us to be humble in our assessment of our own abilities, and to be aware of the potential for others to be underestimated.