关于群决策中专家意见分歧状况下的意见汇总问题的研究
关键词 群决策 共识度 群体分歧率 意见收敛（汇总）
Title Research about the opinion convergence while the
Group-decision-makers hold the pergent views.
Abstract
This article focuses on how to deal with the pergences between the
group-decision-makers during collecting their views. Firstly, this
article introduces the key theories about group-decision-making and
pergent opinions. Then, this article sums up the relative methods. At
last, this article constructs consensus degree model and group's
difference coefficient (GDC), then analyzes the function of GDC on the
mediation mechanism for consensus process, and proposes that identifying
the group pergence in evaluating given alternative is the key element
of research. Through empirical study, this article not only proves that
identifying evaluation pergence of a given alternative in mediating
consensus process is effective, but also reaches some valuable conclusion.
The conclusions are obtained by the models calculated from designed
questionnaire, which includes: firstly, the 5 members differ in evaluation
of the initial alternatives; secondly, GDC makes pergence degree between
group's evaluation of a given alternative and of other alternatives clear;
finally, GDC not only provides a basis for adjusting consensus process
mediation mechanism alternatives, but also directs participants in full
discussion.
Keywords Group Decision Making Consensus Degree
Group's Difference Coefficient Opinion Convergence
目 录
1 绪论.. 1
1.1 研究背景和意义.. 1
1.2 本文研究的内容框架 1
2 理论基础及相关研究. 1
2.1 群决策问题的理论基础.. 1
2.2 国内外研究现状.. 2
3 相关概念介绍. 3
3.1 群体思文及群决策. 3
3.2 多属性决策. 4
3.3 专家意见分歧 5
3.4 影响决策行为及结果的原因分析. 5
4 处理专家意见分歧的方法汇总 8
4.1 共识度度量方法.. 8
4.1.1 硬测度方法 8
4.2.2 软测度算法 9
4.2 意见分歧的识别方法. 10
4.3 意见的收敛（汇总）与调控. 11
4.3.1 决策者改变意见的调控过程 11
4.3.2 改变相关决策者权重的调控过程. 11
5 群决策分歧度模型的构建 12
5.1 建立模型的理论基础. 12
5.2 共识度模型的构建和群体分歧系数. 13
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