The literature reviewed in chapter 2 showed that equiprobability
responses have been widely reported in other research and it was also one of
main misconceptions observed in this study, but the analysis in this study is
different from that in the literature. Suppose there are n possible outcomes of
a trial, the equiprobability responses were subdivided into three categories:
(1) All the n possible outcomes have a 50% chance; (2) each outcome has
an equal chance 1/n and (3) if the chances of n possible outcomes are close
to each other, they are the same in practice.