Regarding the effects of early experiences, which of the following statements is FALSE?

a. Children who are abused may suffer lifelong emotional problems.
b. Extra care can sometimes reverse the effects of a poor start in life.
c. The time when children are more susceptible to particular types of environmental influences is called the zone of proximal development.
d. Babies who do not hear normal speech during their first year may have impaired lanaguage abilities.

ANSWER: c