Bystander Effect

Bystander attitudes toward victims of violence: who’s worth helping!

Bystander intervention in emergencies Diffusion of Responsibility

Bystander reactions to a violent theft: Crime in Jerusalem

Group cohesiveness, social norms, and bystander intervention

Revisiting the issue of safety in numbers- The likelihood of receiving help from a group

Ten Years of Research on Group Size and Helping

The bystander effect and social control behavior: The effect of the presence of others on people's reactions to norm violations

Why don't bystanders help: Because of ambiguity