This study examined whether the Keystone STARS program in Pennsylvania is improving quality in participating child care programs and to determine if Keystone STARS is reversing the decline of quality in child care in Pennsylvania that was so evident in the late 1990's. Data were collected from 356 child care centers, 81 group child day care homes, and 135 family child day care homes. Programs were assessed using the Early Childhood Environment Rating Scale-Revised (ECERS-R) for center-based programs or the Family Day Care Rating Scale (FDCRS) for home-based programs.
