Ah, I might use education vs IQ as an example—education is easier for smarter people to acquire. Of course, a lot of signaling examples are INTENTIONALLY focused on cost—the classic peacock tail is about signaling that the male is fit enough to spend that much energy on it’s tail. This is a perfect signal—the cost IS the signal, and the ability to undertake that cost is the value being signaled.
Ah, I might use education vs IQ as an example—education is easier for smarter people to acquire. Of course, a lot of signaling examples are INTENTIONALLY focused on cost—the classic peacock tail is about signaling that the male is fit enough to spend that much energy on it’s tail. This is a perfect signal—the cost IS the signal, and the ability to undertake that cost is the value being signaled.