Burt Witnesses a Mugging on a Crowded Bus,but Does Nothing

question 150

Multiple Choice

Burt witnesses a mugging on a crowded bus,but does nothing to help the victim.When later asked by the police to explain his inaction,Burt says that he figured someone else would help the victim.Burt has cited which explanation for the bystander effect?

• A) arousal-cost-reward
• B) diffusion of responsibility
• C) group inhibition
• D) social contagion

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Definitions:

Circadian Rhythm

The roughly 24-hour cycle in the physiological processes of living beings, influencing sleep-wake patterns, hormone release, and other bodily functions.

Diurnal

Pertaining to or active during the day, as opposed to nocturnal.

Nocturnal

Pertaining to or active during the night.