What is the main idea behind the bystander effect?

• A. Individuals are more likely to help when others are present
• B. Individuals are less likely to offer help to a victim when other people are present
• C. Group members are more inclined to assist each other
• D. Help is offered equally regardless of the number of witnesses

Answer: (B)

The main idea behind the bystander effect is that individuals are less likely to offer help to a victim when other people are present. This phenomenon occurs because people tend to look to each other for cues on how to react in social situations. When in a group, the responsibility to take action is often diffused among all present, leading individuals to feel less personal responsibility to intervene.

This was famously illustrated in the case of the murder of Kitty Genovese in New York City, where numerous witnesses did not come to her aid while she was attacked. Research has shown that as the number of bystanders increases, the likelihood that any one person will act decreases. Thus, while people might expect that the presence of others would encourage assistance due to social pressure, the opposite occurs in many cases due to diffusion of responsibility.