The Longitudinal Study Conducted by the National Institute of Child

The longitudinal study conducted by the National Institute of Child Health and Human Development concluded that:

A) income alone predicts whether children will become securely attached.
B) a child in child care,regardless of the quality,will be more socially incompetent.
C) the home environment is twice as important a predicator of whether children will become attached to their caregivers.
D) high-quality child care increases cognitive ability.