In One Study, Children Who Spent Their First 19 Months

Multiple Choice

In one study, children who spent their first 19 months of life in an overcrowded and understaffed orphanage experienced major increases in IQ after being moved to an environment that provided individual care. Findings such as these:

A) raise questions concerning the existence of critical periods in human development
B) suggest that physical and psychological gains can be complementary
C) indicate that intellectual development may not be hormonally based
D) suggest that the notion of critical periods in human development only applies to social development