This article presents a formative intervention study, called "Learning Lab" that facilitated the collective design of a culturally responsive behavioral support system at an urban middle school in the United States. Learning Lab united parents, teachers, support staff, education leaders, and researchers, specifically those who have been…

In line with family systems theory, we examined patterns of hostile interactions within families and their associations with externalizing problems among early-adolescent children. Using hostility scores based on observational data of six dyadic interactions during a triadic interaction (n = 462; i.e., child-to-mother, mother-to-child,…