Why is reduplicative babbling a special time in language development?

Why is reduplicative babbling a special time in language development? Why is reduplicative babbling a special time in language development? Identify how both biology and environment impact this phase.
Why do we expect children to make overregularization errors (<link is hidden> “I goed to the park”)?
Applied: The Jones family moves from Maryland to Montreal, with their 2-year-old Sofie and 10-year-old Jasmine. Their language environment changes from English to French. Neither of them heard nor spoke any French prior to the move. Use our course material to answer the following:

Which child would you expect to become more proficient in French? Why?
For both children, what would be the hardest aspect of French to learn?
From a social-interactionist perspective, what would you suggest to the children’s parents to help the kids learn French? (describe your suggestion AND why it should help)

c. Comprehension v. Production:

Which emerges earlier?
How does/doesn’t baby signs help with this difference?