Brief antibullying intervention for adolescents in public schools.

Objectives: To assess the results of a brief antibullying intervention for adolescents in public schools.

Method: This was a controlled experimental study whose subjects were 1,043 students in 5th through 9th grades from public schools in Porto Alegre/State of Rio Grande do Sul, conducted between April and November 2015. Adolescents and school teachers randomly assigned to the intervention group participated in two meetings focused on educative aspects of bullying.