Bystander effect

The more people watching someone in trouble, the less likely any one of them does something. Everyone assumes someone else will.

Definition

The social phenomenon where individuals are less likely to offer help to a victim when other people are present, because responsibility feels diffused across the group.

Step 1

Predict first

In one or two sentences, what do you think this concept means? Wrong is fine; the small struggle is what makes the answer stick.