填空题.Everyone wants their boss to play fair, but new research suggests that while doing so might make employees happy, it's not always so great for the boss. Specifically, bosses who are fair make their workers happier and their companies more 31 , but in the end may bum themselves out, according to a new study led by Michigan State University's Russell Johnson. Researchers found that the act of carefully monitoring the fairness of workplace decisions wears down supervisors both mentally and 32 . Johnson, an assistant professor of management, said that managers face a double-edged sword in maintaining structured, rule-bound fairness, known as procedural 33 . "While beneficial for their employees and the 34 , it's an especially draining activity for managers," he said. "In fact, we found it had 35 effects for managers that spilled over to the next workday." As part of the study, researchers surveyed 82 bosses twice a day for a few weeks. Managers who reported mental 36 from situations involving procedural fairness were less cooperative and less socially engaging with other workers the next day. "Managers who are mentally fatigued are more 37 to making mistakes, and it is more difficult for them to control deviant (不正常的) or counterproductive impulses," Johnson said. Procedural justice fatigues managers mentally because it requires them to conform to particular fairness rules, such as suppressing personal 38 , being consistent over time and across subordinates, and allowing subordinates to 39 their concerns, according to Johnson. "Essentially, managers have to run around making sure their subordinates' perceptions remain positive, whether the threat to the atmosphere of the workplace is real or 40 ," he said. "Dealing with all of this uncertainty and ambiguity is depleting (令人精疲力竭的)." A. biases E. voice I. negative M. productive B. unlikely F. prone J. exhausted N. organization C. emotionally G. fatigue K. protesting O. justice D. imagined H. positive L. usually