Threshold effect experiment

This effect was put forward by American social psychologists Friedman and Freese in the field experiment of "no pressure submission-threshold technology" in 1966.

1966 American psychologists did an experiment: they sent people to visit a group of housewives at random and asked them to hang a small sign on the window. These housewives agreed happily. After a while, I went to visit this group of housewives again and asked to put a big and unsightly sign in the yard. As a result, more than half of housewives agreed. At the same time, they sent people to visit another group of housewives at random, and directly proposed to put not only big but also unsightly signs in the yard. As a result, less than 20% of housewives agreed.

Similar experiment: the experimenter asked the assistant to go to two residential areas to persuade people to put up a big placard in front of the house that said "Drive carefully". This request was made directly to the people in the first residential area, but it was rejected by many residents, and only 17% of the requested people were accepted. In the second residential area, it was easy to ask residents to sign a petition in favor of safe driving, and almost all the people who were asked complied with it. A few weeks later, they were asked to put up a vertical card. As a result, the respondents accounted for 55% of the respondents.