Language development generally takes place in stages. Review page 186 of your course text, which discusses the evolution of oral...

Language development generally takes place in stages. Review page 186 of your course text, which discusses the evolution of oral language in young children, and then explain the differences between cooing, babbling, receptive language, and expressive language. Based on the social interaction theories described on pages 196–197 of your course text, summarize the role of important adults in a young child's language development.