Most people don’t literally say “goo goo ga ga” to babies; what they actually do is echo babies’ nonsense sounds back at them. I subscribe to the theory that t

Most people don’t literally say “goo goo ga ga” to babies; what they actually do is echo babies’ nonsense sounds back at them. I subscribe to the theory that this helps babies understand what they sound like, and therefore helps them learn how to produce the sounds they want.