The article reviews recent classroom research developed in South America related to child and adolescent development. We review work about three themes: ethnicity, school climate and violence, and the learning process. The few studies found on ethnicity and classroom experiences told a story of invisibility, if not exclusion and discrimination.…

Sibling relationships provide one of the most stable and powerful developmental contexts for the transmission of both prosocial and antisocial behavior. As a source of support and skill development, sibling relationships can build competence in self-regulation and emotional understanding. However, sibling relationships marked by antisocial…

Focuses on the nature of peer relationships of attention-deficit/hyperactivity disorder (ADHD) children, including relationship problems that are commonly manifested in the areas of academic, conduct, and social problems. Finds that children with ADHD experience numerous peer difficulties and may benefit from specially designed intervention. (SD)

Studied adolescent participants in a group intervention program to determine the influence of peer reactions to problem behavior. Found that the impact of friendship is not always positive and can lead to unintended iatrogenic consequences. Concludes that adults' role in attending to children's peer contexts is perhaps the most critical for…