Author | Alison Clarke-Stewart, PhD


The NICHD Study of Early Child Care

March 01, 1998

Previous research on the effects of early child care had led to controversy and confusion. The most provocative finding was that when infants were in nonmaternal child care 20 or more hours a week, starting in the first year of life, they were less likely than infants without such experience to form a secure emotional attachment to their mothers.