5. In the context of language development , which of the following areas was underestimated by Piaget ?
( 1 ) Heredity
( 2 ) Social interaction
( 3 ) Egocentric speech
( 4 ) Active construction by the child
Ans- (2) Social interaction
Reason:- Piaget underestimated the role of social interaction in social human development in his four stages of development theory. he observed and recorded the intellectual abilities of young children in adolescence. Vygotsky, on the other hand, emphasized the role of social interaction in human development.