We also have conducted secondary data analyses using data from the large multi-site NICHD Study of Early Child Care and Youth Development (NICHD SECCYD).

Our research has been supported by the National Institutes of Health (R34DA050256; R21MH112578; R03 HD49402), National Science Foundation (BCS-1539651; DLS-0643260; SMA-1416791), National Institute of Food and Agriculture (ILLU-793-368; ILLU-793-339; ILLU-793-362), Illinois Center for Social and Behavioral Research, and Illinois Jump ARCHES (UI Award#104334). We are also immensely grateful to the families who have participated in our projects on young children’s social and emotional development.