The Large-Scale Study of the Effects of Child Care That

The large-scale study of the effects of child care that was funded by the National Institute of Child Health and Development has demonstrated which of the following assertions about the effects of amount of child care on the social behavior of children from working- and middle-class families?

A) The amount of child care is not associated with children's social behavior.
B) The risk of children exhibiting problem behaviors increases the longer they are in child care.
C) Long hours spent in day care cause aggression and social withdrawal.
D) The risk of children exhibiting problem behaviors increases the longer they are in child care, and can cause aggression and social withdrawal.