Although the victim screamed for help, not one of the thirty-eight neighbors who watched the attack from their windows came to her assistance or even called the police. Piliavin and Piliavin offered a different hypothesis. The researchers assumed that the presence of blood increased the cost of helping because the sight of blood should arouse feelings of fear and revulsion in the typical bystander. The researchers also found that contrary to the diffusion of responsibility hypothesis, the number of bystanders present did not significantly inhibit helping behavior. Overall, males were more likely to offer direct help than females.
College students weigh the costs and benefits of deceptive research.
Bathroom behavior and human dignity. If you are using Navigator 2.0 or later, and you see this message, you should enable JavaScript by on the Advanced page of the Preferences dialog box.