无论是首相戈登·布朗亦或是财政大臣阿利斯·泰尔·达林(见下图)都不是受欢迎的人物，而对选民来说，经济是主要担忧点。
Neither Gordon Brown, the prime minister, nor Alistair Darling, the chancellor (finance minister, pictured) are popular figures and the economy is the main concern for voters.
戈伦比威斯基，比林斯利和耶格尔随后加入了另一个级别的变革，中阶变化。中阶变化是存在于一阶和二阶变化这两个极端之间的变化。
Golembiewski, Billingsley, and Yeager8 subsequently added another level of change, defining middle-order change as lying somewhere between the extremes of first - and second-order change.
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