心理学家说,人们天生有一种办事有始有终的内驱力。可是,这种内驱力是因人而异的,有人喜欢拖延,有人非一口气把事做完不可。1927年,心理学家蔡戈尼作了这样一个实验:她让138个儿童做一连串的工作,其中一半人把自己的事情做完,另一半则在中途停止。一小时后,她测试那些儿童,发现 Psychologists say that people are born with a kind of internal drive that has the beginning and the end. However, this kind of internal drive varies from person to person. Some people like to delay. Some people can’t finish things in one breath. In 1927, the psychologist Caigny made an experiment: She had 138 children doing a series of work, half of them finished their own work, and the other half stopped halfway. An hour later, she tested the children and found