How does echo expansion change as children get older?
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Host: How does echo expansion change as children get older? Rene Hackney: As children get older echo expansion becomes more complex. So, parents may think of adding a detail or adding an adjective, when the child, who is four years old, says Oh! Look a school bus, the parents can say Wow! That s a big yellow school bus. adding those details. They may also add what s called the functional definition. A parent can say Oh! The school bus, that takes children to school. They are giving the definition for the thing, the child just labeled. So, it's still giving them back their Language intact, but with more detail or with those definitions.