Friedman conducted a fascinating experiment. He picked a few dozen people who had scored very high on his test—above 90—and a few dozen who scored very low—below 60—and asked them all to fill out a questionnaire measuring how they felt “at this instant.” He then put all of the high-scorers in separate rooms, and paired each of them with two low-scorers. They were told to sit in the room together for two minutes. They could look at each other, but not talk. Then, once the session was over, they were asked again to fill out a detailed questionnaire on how they were feeling. Friedman found that
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