just as infants require nutrition and shelter, they need warm social interaction to survive and develop. A classic study by ______ XXXXXXXXXXdemonstrates the essential importance of warm contact....

just as infants require nutrition and shelter, they need warm social interaction to survive and develop. A classic study by ______ (1953) demonstrates the essential importance of warm contact.

A)Jean Piaget

B)Harry Harlow

C) Erik Erikson

D) Penny Patterson