The Bystander Effect Is ________

The bystander effect is ________.

A) an exclusive concern with one's own personal needs and welfare
B) the relatively equal sharing of responsibility to help by all of the bystanders present during an emergency
C) a helpful action that benefits other people without necessarily providing direct benefit to the bystanders
D) the observation that the probability of a prosocial response to an emergency is influenced by the number of bystanders present
E) cooperative behavior among unrelated individuals that provides benefit to both individuals