心理学家曾做过这样一个实验:用小小的缝衣针穿线的时候,你越是全神贯注,线越不容易穿入。科学界称这种现象为“目的颤抖”(俗称“穿针心理”),意思是目的性越强就越不容易成功,越易出现差错。这使我联想到安全工作。不少人大概 Psychologists have done such an experiment: with a small needle thread, when you are more absorbed in the more difficult to penetrate the line. The scientific community calls this phenomenon “tremulous” (commonly known as “needle psychology”), meaning that the more objective the less likely to succeed, the more prone to error. This reminds me of safety work. Many people probably