Friendships are important sources of support during adolescence. However, a growing literature indicates some adolescents co-ruminate, or talk with friends about problems in a way that is excessive, speculative, and negatively focused, which confers risk for internalizing problems. Still, previous research had not examined the types of problems…

Children exposed to Interparental Verbal Conflict (IPVC) exert negative spillovers on their peers. Using nationally representative survey data from middle schools in China, focusing on schools that randomly assign students into classrooms, and using both (1) within-school, across-classroom variation and (2) within-student, year-to-year variation…

The experience of childhood family adversity may affect adolescent sexual behavior, yet the variation in the types of adversities is unknown. We analyzed data from the Taiwan Education Panel Survey. In 2007, 18,995 students aged 18 years retrospectively reported the age of first sexual activity and the experiences of childhood adversities.…