Reference Information On The Number Of Fuzzy Aversion

In 1961, Dr Ellsberg defined the phenomena "ambiguity aversion" as the phenomenon that people always choose the certain one when they have to make a choice between the uncertain and ambiguity subjects. In the following decades, many researches were developed based on the conception that "the ambiguity is generated by the missing information of the subject, and the more information is missed, the ambiguous level is harder." And then, many studies had been carried out to find out why this wired phenomena happened. As the time came into the 1990s, with the improvements on experimental design, Dr. Tversky proposed the "comparative ignorance" theory to explain how the ambiguity aversion happens. However, the "comparative ignorance" just use the one-in-two model to divide the ambiguity from the certain one, this theory can not answer in what scale of the discrepancy on information between two subjects would generate the "ambiguity aversion".In order to discuss the above questions, three experiments were designed.First of all, in the experiment one, in order to find out whether the Chinese also present similar decision out, we translated the traditional Ellsberg experiment into Chinese and tested the availability that whether we can make the vote percentage and confidential degree as the new parliaments. In the experiment two and three, with the T test, we mainly discussed how the information amount can make an effect on the final decision.After the whole discussion, we have make sure that:(1) the discrepancy between different subjects can make an greatly effect on the ambiguity aversion; (2) under certain present model, information level will make an effect on the ambiguity aversion present; (3) mixed with the subject-presentation and numeric-presentation, ambiguity aversion also will be presented but not followed the "comparative ignorance".At the third part of the paper, we systematically discussed how the presentation method and information amount influenced the "ambiguity aversion"; How the compare affects the decision making and the reason why the vote percentage and confidential degree was employed. At last, we pointed out the deficiency in researches and made a preview about making some necessary improvements on the design.