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Original Articles

A Framework for Group Decision Using a MCDA Model: Sharing, Aggregating or Comparing Individual Information?

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Pages 283-303 | Published online: 31 May 2012
 

ABSTRACT

This article proposes a framework for group decision procedures which use A MCDA model. The framework is based on three elementary procedures—sharing, aggregating and comparing—which define the way in which the views of individuals are brought together with the aim of achieving a group decision. The framework refers to: (i) the main elements of a MCDA model, namely the aggregation method, the alternatives, the criteria, the evaluations and the weights, (ii) the extent to which these elements are individual or common to the group and, (Hi) the use of the three procedures—sharing, aggregating and comparing—to obtain and use these elements. The framework allows us to compare and contrast different ways of working with MCDA methods from a technical and a sociological perspective. The discussion highlights issues relating to process management, facilitation, time management and problem structuring.

RÉSUMÉ

Cet article propose un cadre d'application d'un modèle d'AMCD à la décision de groupe. Ce cadre d'utilisation est basé sur trois procédures élémentaires—partage, agrégation et comparaison—qui définissent la manière selon laquelle les points de vue individuels sont rassemblés en vue d'une décision de groupe. Ce cadre porte sur (i) les principales composantes du modèle d'AMCD, à savoir la méthode d'agrégation, les actions potentielles, les critères, les évaluations et les poids, (ii) le caractère individuel ou collectif de ces composantes et (iii) l'utilisation de ces trois procédures—partage, agrégation et comparaison—pour obtenir et utiliser ces composantes. Ce cadre nous permet de comparer et de contraster différentes manières d'utiliser des méthodes d'ADMC dans une optique technique et sociologique. La discussion aborde des sujets tels que la gestion du processus, la facilitation, la gestion du temps et la structuration du problème.

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