Theory and Approaches of Unascertained Group Decision-Making

7AGGREGATION METHOD OF MULTIPLE STAGES FOR GROUP DECISION MAKING

7.1 Introduction

Because of the differences in decision makers’ life experiences, work experiences, psychological qualities, judgment levels, external environments, individual preferences, and others factors, different decision makers will prefer different structures, for example, judgment matrix, utility value, preference sequence value, linguistic value, etc. As objectives change, the decision makers’ understanding of the objective things ranges from the shallower to the deeper. In addition, decision makers should research multiple stages of the problem in order to make a comprehensive assessment; this is because the stages influence each other and the preference form of the decision ...