Which of the following cases is the best example of an instance of social contagion? a shopper notices a sign in the electronics store saying that supplies of a certain tablet are limited. the shopper decides to buy the tablet based on this information. a politician gives a very moving speech in which he argues that the nation is superior to all other nations. the crowd cheers very loudly. a teacher in a school smells gasoline and begins to feel nauseous; soon most of the school's population is also feeling nauseous. later, it is discovered that there was never a gas leak. a person is suffering from a severe injury on the side of the road. however, people driving by fail to stop to even though they notice the injured person.

The answer is: A teacher in a school smells gasoline and begins to feel nauseous; soon most of the schools population is also feeling nauseous. Later, it is discovered that there was never a gas leak.

Social contagion refer to a social phenomenon when the behavior that displayed by a certain individual create a chain of reaction that make other people around him/her start to display the same behavior . (such as when the students mimic the nauseous behavior after they observe their teacher did it)

Social contagion tend to have a stronger effect if the person who initiate the contagious behavior is in the position of authority/importance (such the teachers in school environment or Actors in film set)

answer; being clearly political;