The Large-Scale Study of the Effects of Childcare That Was

The large-scale study of the effects of childcare that was funded by the National Institute of Child Health and Development demonstrated that the

A) quality of childcare was a critical predictor of attachment security.
B) amount of childcare was a critical predictor of attachment security.
C) number of childcare arrangements was a critical predictor of attachment security.
D) number of changes in caregivers in the first 2 years of life predicted lower social competence and more noncompliance with adults at age 2.