When does a baby begin to develop self-esteem? Can parents spoil their child by responding to her cries? These questions and many more were asked of 3,000 adults earlier this year in a national survey called "What Grown-Ups Understand About Child Development." It was sponsored by the Civitas Initiative, a nonprofit organization committed to educating those who take care of young children; Zero to Three, a nonprofit group that studies early childhood development; and Brio Corporation, a manufacturer of developmental toys. The answers were surprising: Many parents are misinformed about the behavioral development of their own infants. Test your own knowledge by responding true or false to the following statements, then read on for the correct answer and what it means for you and your baby.