Darley and Latane 1 ( ) experiments with college students to 2 ( ) why no bystanders reacted to the murder of Catherine Genovese. Their study helped 3 ( ) new information that they didn’t expect. They discovered that the presence of more people at a scene makes people feel less responsible. The study also showed that people in groups don’t react to a problem if nobody else acts or looks concerned. They assume that nothing is wrong, even if they hear someone 4 ( ) for help. There have been other experiments since Darley and Latane’s findings. Probably even more studies will 5 ( ) their research because psychologists are very interested in knowing more about what other factors affect people’s decisions to 6 ( ) those in need.