Psychology
The Dunning-Kruger Effect and Competence Self-Assessment
Quick fact
In a series of studies, people who scored in the bottom 25% on tests of humor, grammar, and logic rated themselves as being above average — a stark misjudgment that experts almost never made.
Why this is interesting
Have you ever noticed that the person who is most confident in a debate is often the least informed? Why do beginners think they're experts while true experts doubt themselves?