Evidence from the National Institute of Child Health and Development

Evidence from the National Institute of Child Health and Development (NICHD) Study of Early Child Care-the largest longitudinal study to date,including more than 1,300 infants and their families-reveals that

A) nonparental child care by itself does not affect attachment quality.
B) full-time, but not part-time, work during the first year is detrimental to attachment security.
C) exposure to child care exerts a more powerful impact on children's adjustment than parenting quality.
D) having more than one child-care arrangement decreases the likelihood of attachment insecurity.