In the United States, early intervention (EI) programs under Part C of the Individuals with Disabilities Education Act serve thousands of infants and toddlers with or at risk for developmental delays. Despite this, few studies have investigated the developmental progress and outcomes of children served, especially in relation to the heterogeneity…

Research has consistently linked early problem behavior with later adjustment problems, including antisocial behavior, learning problems and risk for the development of emotional/behavioral disorders (EBDs). Researchers have focused upon developing effective intervention programs for young children who arrive in preschool exhibiting chronic…

This investigation examined the effects of a classroom-based intervention, Behavioral, Emotional, and Social Training: Competent Learners Achieving School Success (BEST in CLASS), on teacher behaviors and child outcomes in early childhood classrooms. First, we examined the effects of professional development training and practice-based coaching…