Answer to Question 1
Jean Piaget.
Answer to Question 2
Parental input is crucial to language development. While young children have many
inherent abilities and biological predispositions to learning language, research clearly
demonstrates that children's vocabulary and correctness of speech depends on input
from the adults around them. Language learning is enhanced when parents talk and
read frequently to their children, describe things or actions to them, imitate their
babbling, and engage in repetition of new words. Parents who spend little time
interacting with their infants or who view baby talk as silly or unnecessary are thwarting
the language development of their children. Parents who do not take the time to read
to their children, actively teach them new words, and explain the world around them
are missing a critical opportunity to enhance language learning. The student may refer
to the concept of critical period for language learning.
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