According to Bibb Latané and John Darley (1970),a Number of Things

According to Bibb Latané and John Darley (1970) ,a number of things must occur before witnesses decide to intervene in an emergency situation.According to this stage model,diffusion of responsibility is most likely to affect witnesses'

A) attention to their surroundings.
B) interpretation of an event as an emergency.
C) sense of obligation to intervene.
D) assessments of the costs and benefits of intervening.