Changing climates of conflict: A social network experiment in 56 schools

Theories of human behavior suggest that individuals attend to the behavior of certain people in their community to understand what is socially normative and adjust their own behavior in response. An experiment tested these theories by randomizing an anticonflict intervention across 56 schools with 24,191 students. After comprehensively measuring every school's social network, randomly selected seed groups of 20-32 students from randomly selected schools were assigned to an intervention that encouraged their public stance against conflict at school. Compared with control schools, disciplinary reports of student conflict at treatment schools were reduced by 25% over 1 year. The effect was stronger when the seed…

• NS
  National Science Foundation
• WT
  William T. Grant Foundation
• SF
  Spencer Foundation
• SF
  Sage Foundation
• SO
  State of New Jersey Department of Education