There are four different theoretical perspectives about the way children develop their speech, language and communication.
Innateness Perspective: innateness is the behaviours, skills and characteristics that are instinctive. Noam Chomsky is a leading theorist who suggested that language is natural and instinctive and that children come primed, not only ready to learn language but also to pick up the rules of grammar. He refers to “Universal Grammar” which believes suggests that there are some structures and rules which are the same in all languages and which enables babies to pick up any language at first.
Behaviourist Perspective: behaviourist is the behaviours, skills and characteristics