“properly”
Discussion
I.E don’t whore themselves out to people who want to inflate their egos for solving puzzles. It’s used “properly” to measure learning deficiencies
says who
My wife, a psych doctorate candidate
also, for your interest: https://medium.com/incerto/iq-is-largely-a-pseudoscientific-swindle-f131c101ba39
not trying to be a dick, but beyond a minimum level of "intelligence" as measured by the test (around 100) it's pretty clear it doesn't really tell you much about a person