In the lean office, found Knight and Haslam, participants invested a low level of effort in their assigned work; they were listless and lackadaisical. In the disempowered office, subjects’ productivity was similarly mediocre; in addition, they were very, very unhappy. “I wanted to hit you,” one participant confessed to the experimenter in a follow-up interview, describing how he felt as “his” office was rearranged to the researcher’s liking. In the enriched office, participants worked harder and were more productive; in the empowered office, people performed best of all. They got 30 percent
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