The infamous murder launched decades of studies investigating the “bystander effect,” where a diffusion of responsibility and fear of risk leads to inaction on the part of people who may be ...

This is known as the bystander effect. It describes situations in which ... they will watch or more likely be taking videos or photos to post on social media platforms. This can be a tragic ...

This phenomenon—known as the “bystander effect”—can seem relatively harmless in such situations. A dropped pencil or a stranded traveler might not suffer much from our inaction.

"I do think it is getting the right message out, which is bystander intervention," the 26-year-old says. "The people that will have the most effect will be men that can change their mates' views ...