Why school bullying prevention programs that involve peers may be harmful to victims

School bullying has been identified as harmful to students' mental health. Many studies have evaluated the effectiveness of bullying prevention programs, finding mixed results in general and no benefits overall for secondary school students. Looking at the specific components of bullying prevention programs helps to explain the complicated pattern: Unlike intensive programs that include parent training, firm disciplinary methods or improved playground supervision, interventions that involve work with peers tend to lead to increases in bullying. A new review explores why encouraging peers to defend victims may actually cause more harm than good.