艾尔·戈尔：就象从德蒙特岛来的威尼福雷德·斯金纳。
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.
应用推荐