According to

b. f. skinner, language is acquired as the baby babbles and parents reinforce those sounds that are most like words. this is an example of

An example of the Theory of Operant Conditioning in which the sounds that are like words are reinforced in order for the baby to be conditioned it as a good thing so the baby will repeat the sounds of the parents; and, the babbles that aren't sounding like words be not repeated so the baby is conditioned not to babble them again.