Latane and Darley were the first to study this phenomenon, and confirmed that as the number of subjects increased, so did the effect's impact.  
Latane and Darley were the first to study this phenomenon, and confirmed that as the number of subjects increased, so did the effect's impact.  The most famous example of this phenomenon was the murder of Kitty Genovese, and it can be counteracted by the victim of an attack pointing to a specific individual and asking them directly for help.  For 10 points, name this effect in which a diffusion of responsibility makes people NOT intervene in an emergency situation when many others are present, acting only as the namesake onlookers.
Latane and Darley were the first to study this phenomenon, and confirmed that as the number of subjects increased, so did the effect's impact.  
{bystander} effect