Lorenzo, who was busy working in his room, could hear a baby crying nearby but did not bother to go out and check thinking that his neighbors would probably do so. this is an example of

This is an example of diffusion of responsibility. This is a common social phenomenon in large groups of people when responsibility is not explicitly assigned to a member of the group. This phenomenon has been documented mainly in individualistic cultures, or in urban areas where people do not take responsibility for the actions of others.

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Old telephone. is prehistoric object