Reading achievement scores for adolescents with disabilities are markedly lower than the scores of adolescents without disabilities. For example, 62% of students with disabilities read "below" the basic level on the NAEP Reading assessment, compared to 19% of their nondisabled peers. This achievement gap has been a continuing challenge…

Social-emotional learning programs are increasingly being implemented in U.S. schools to address a wide range of problematic behaviors (e.g., bullying, delinquency) and to promote academic success. The current study examined the direct and indirect impact of the Second Step Middle School Program (Committee for Children, 2008) on bullying,…

Relations between paternal autonomy support and four aspects of adolescent social competence and responsibility at age 16 were examined using data from the NICHD Study of Early Child Care and Youth Development. With controls on maternal autonomy support, significant relations were observed between paternal autonomy support and three of the four…

This study addressed whether prior successes with educational interventions grounded in the theory of successful intelligence could be replicated on a larger scale as the primary basis for instruction in language arts, mathematics, and science. A total of 7,702 4th-grade students in the United States, drawn from 223 elementary school classrooms in…

Background: Cluster-randomized experiments that assign intact groups such as schools or school districts to treatment conditions are increasingly common in educational research. Such experiments are inherently multilevel designs whose sensitivity (statistical power and precision of estimates) depends on the variance decomposition across levels.…