While studying in the crowded library,Arlene hears a crashing noise and then someone moaning.The commotion appears to have come from behind closed doors marked "Staff Only." Nobody near Arlene seems concerned,so Arlene goes back to her studying.This example best illustrates
A) the bystander effect.
B) social exchange theory.
C) altruism.
D) the reciprocity norm.

Question

Quizplus · Accepted Answer

This scenario best illustrates the bystander effect, which occurs when individuals are less likely to intervene in an emergency situation when other people are present. In this case, the fact that nobody near Arlene is concerned may lead her to assume that the situation is not serious or that someone else will take action.

While Studying in the Crowded Library,Arlene Hears a Crashing Noise