Have you ever heard of the #DunningKruger effect?
Generally, it is understood as
"a claim about general overconfidence of people with low intelligence" [wikipedia]
This actually isn't, what the original study said, but it is still what most people think, when they hear the term.
However, in my personal experience (anecdotal evidence) I find the most extreme levels of unfounded overconfidence about one's expertise concerning almost every aspect of life concentrated
1/2
in representatives of certain professions:
* teachers
* economists
* programmers ("software engineers" as they call themselves)
* physicists
* mathematicians
* lawyers
* MDs
* politicians
What do you think?
2/2
It mights just be dudes with a degree? (Or just dudes?)
In my completely unbiased opinion, it's an effect predominantly observed in, but by no means limited to, the male variety of the species.