Influence of Procedures for Interactive Identification Method on Forms of Identified Membership Functions

Abstract

In this paper we discus influence of procedures for an interactive identification method on forms of identified membership functions. First, we clarify factors that influence forms of identified membership functions, taking the BASE method as an example. Secondly, we examine influence of three factors, 1) presentation order of elements, 2) number of categories for rating membership degree, 3) verbal labels of these categories, through two psychological experiments. The obtained results are as follows; 1) the presentation order affects transition area width of identified membership functions. 2) Especially, when the elements are presented in ascending order, the rating tends to become forced binary decision. 3) The verbal labels do not affect the forms of identified membership functions.