sciencehabit writes "The next time you hear extended applause for a performance you didn't think was that great, don't feel like a snob. A new study reveals that audience response has more to do with the people in the seats than those up on stage. Applause, it turns out, is a bit like peer pressure. In a study of college students, individuals were more likely to start clapping if a larger percentage of the audience had already started. If 50% of the audience was clapping, for example, individuals were 10 times more likely to start clapping than if 5% of the audience was clapping. People stop clapping for the same reason. Even more surprising, the applause for a bad presentation could be just as long as applause for a good one. Random interactions in the audience can result in very different lengths of applause regardless of the quality of the talk."

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