如果有人问你:20世纪末心理学上最伟大的理论发现是什么?你一定不会想到是这么一个答案:“无能为力”是“学来”的。狗身上的发现美国宾州大学心理学专家进行了一项造成人类心理学重要突破的试验。试验首先在狗身上开始。他们发现了许多狗在经受了许多次电击试验之后,有些狗再受到电击时,根本不作任何 If someone asks you: What is the greatest theoretical discovery in psychology at the end of the 20th century? You certainly would not think of such an answer: “Powerlessness” is “Learning ”. Discoveries in Dogs Psychology experts at the University of Pennsylvania conducted an experiment that led to an important breakthrough in human psychology. The experiment begins with the dog first. They found that after many dogs were subjected to many electrical shock tests, some dogs were not subjected to any further shocks