A smart psychologist notices something about how his mind works. He suspects that it is a fairly universal thing. Unfortunately in modern times that is not nearly enough to get attention. So he does some preliminary research, bla bla, statistical analysis, bla. Then he's like, ha, I was right, and everyone else is like, ha, that's a cool idea.

I don't care about the studies. Empiricism in psychology doesn't actually work. Cf. parapsychology. Studies are social excuses to popularize ideas. Verbal overshadowing is obviously a thing. It's a concept/hypothesis people should know about. Therefore I tacitly endorse posts popularizing it, even though this institution of using shoddy social science studies as excuses is an evil one.