Journal of Community Psychology

This study explores an emergent area of bystander research by describing associations between bystander involvement and community or microsystemic support factors across different types of victimizations. A total of 1703 adults and adolescents were surveyed about bystander presence, bystander actions, and bystander safety across 9 forms of victimization. They were also surveyed about 3 community-level factors—collective efficacy, support for community youth, informal community support—and 2 microsystemic factors—social support and tangible family resources community and microsystemic support scores were not typically associated with bystander presence. Higher community and microsystemic support scores,…