Stereotypes are by and large accurate, and unless I misread, "stereotype" in this article in not a technical term. The article uses it to mean what the layman means by it.
What do we do with this finding?
What do we do with this finding?
* How do stereotypes form?
* Why are some stereotypes not accurate? They mention nationality stereotypes in particular as being quite inaccurate.
* What other factors correlate with increased or decreased stereotype accuracy?
There's some value, of course, in just learning something's true even if it's not immediately useful knowledge.
National stereotypes are actually quite interesting because they come in two flavors:
"Swiss are punctual" is a regular stereotype that by and large applies to the average Swiss.
"Germans wear lederhosen" is a stereotype that is wrong for the vast majority of Germans. It's still true/useful in the sense that if you see someone wearing lederhosen they are most likely German. That makes is a good visual shorthand for "German", which can feed the impression that it's common.