What Does the Research of René Spitz,outlined in the Textbook,demonstrate

Multiple Choice

What does the research of René Spitz,outlined in the textbook,demonstrate?

A) Infants who experience plenty of social interaction in their first year of life grow up normally.
B) Without childhood socialization, most of our human potential is delayed or remains unrealized.
C) Infants deprived of their mothers in their first year of life are developmentally delayed until approximately age five.
D) Infants deprived of social interaction with adults in their first year of life experience delays in development until age three.