In this brief essay, I comment on the constellation of papers published in the current issue. I argue that it represents the new beginning of the new era for the journal, driven by several considerations. Among these, three are key. First, the collection of articles in this issue is explicitly concerned with the multivariate and multidisciplinary…

This commentary discusses the implication of child and adolescent development research for public policy in Latin America. As illustrated by the articles in this special issue, even though the research of child and adolescent development in Latin America is making significant progress, still more research is needed. Developmental research in the…

Close relationships among children and adolescents are ordinarily considered to encompass friendliness and fun. Recent studies, however, reveal that many friendships have dark sides consisting of competitiveness, hostility, and conflict. Relationships based on aversion and antipathy may turn out to have major developmental implications, but more…