The collection of articles in this special issue on relational aggression gives a glimpse into the complex social networks, first, of children's relational aggression and, second, of the collaborators who develop and validate children's prevention programs. The programs described in this special section are among the first to address relational…

Selected literature on the use of daily/weekly report cards with parent-managed contingencies to modify school learning and behavior problems is reviewed. The development, implementation, evaluation, and fading of such programs are discussed and were found to be effective in modifying numerous school-related problem behaviors. (Author/RL)