The landmark National Survey of Child and Adolescent Well-Being (NSCAW) study represents the first effort to gather nationally representative data, based on first-hand reports, about the well-being of children and families who encounter the child welfare system. NSCAW's findings offer an unprecedented national source of data that describe the developmental status and functional characteristics of children who come to the attention of child protective services. Much more than a simple history of placements or length of stay in foster care, NSCAW data chart the trajectory of families across...