"You don't really mean to chew with your mouth open,do you?" What function does this statement serve?

Question

Quizplus · Accepted Answer

The statement "You don't really mean to chew with your mouth open, do you?" enforces a proscriptive norm, which is a negative behavior that is generally not accepted by society. In this case, the norm would be to chew with your mouth closed, and the statement serves to reinforce that norm by reminding the person not to chew with their mouth open.

"You Don't Really Mean to Chew with Your Mouth Open,do