the other night, i was walking in georgetown with a few friends when we passed a homeless man, lying on the brick sidewalk with his eyes rolled back in his head. my first thought was "he's having a seizure, someone needs to call the ambulance". there were hundreds of people walking by this man, looking at him, continuing on their way. it was startling to me that even in this moment of concern, my thought was "SOMEONE needs to call the ambulance", not "i should call the ambulance".

the bystander effect - the psychological phenomenon in which someone is less likely to intervene in an emergency situation when other people are present and able to help than when he or she is alone. it's the diffusion of responsibility that causes people to keep walking by, thinking "someone else will help". in addition to this, bystanders monitor the reactions of other people in an emergency situation to see if others think that it is necessary to intervene. for example, on this night, hundreds of people walked by, looking at him...looking at others...looking for the correct way to respond to the situation. because no one was taking action, others were not motivated to take action either. it was assumed that the situation did not warrant help. this fascinates me. the concept of pluralistic ignorance. we've seen it so many times in our world's history. the rise of the nazis. the brutal murder of kitty genovese in queens as dozens watched. the 20-year-old girl in kansas stabbed to death in a convenience store as people walked over her to get to the check-out line. one woman even took a picture with her cell phone. when grouped together, people tend to conform to that group. they act the way a group acts. and in these situations, they react the way the group acts - inaction. we should take more action to be sure that we do not fall captive to one of humanity's greatest weaknesses.