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Visualizing preferences on spheres for group decisions based on multiplicative preference relations

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Title: Visualizing preferences on spheres for group decisions based on multiplicative preference relations
Authors: Ma, Li-Ching1 lcma@nuu.edu.tw
Source: European Journal of Operational Research. May2010, Vol. 203 Issue 1, p176-184. 9p.
Subjects: Group decision making, Visual perception, Judgment (Psychology), Models & modelmaking, Decision theory, Problem solving, Preferences (Philosophy), Decision support systems
Abstract: Abstract: Decision makers’ choices are often influenced by visual background information. One of the difficulties in group decision is that decision makers may bias their judgment in order to increase the possibility of a preferred result. Hence, the method used to provide visual aids in helping decision making teams both to observe the background context and to perceive outliers is an important issue to consider. This study proposes an extended Decision Ball model to visualize a group’s decisions. By observing the Decision Balls, each decision maker can: see individual ranking as well as similarities between alternatives, identify the differences between individual judgments and the group’s collective opinion, observe the clusters of alternatives as well as clusters of decision makers, and discover outliers. Thus, this method can help decision makers make a more objective judgment. [Copyright &y& Elsevier]
Copyright of European Journal of Operational Research is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Data: Visualizing preferences on spheres for group decisions based on multiplicative preference relations
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  Data: <searchLink fieldCode="AR" term="%22Ma%2C+Li-Ching%22">Ma, Li-Ching</searchLink><relatesTo>1</relatesTo><i> lcma@nuu.edu.tw</i>
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  Data: <searchLink fieldCode="JN" term="%22European+Journal+of+Operational+Research%22">European Journal of Operational Research</searchLink>. May2010, Vol. 203 Issue 1, p176-184. 9p.
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  Data: Abstract: Decision makers’ choices are often influenced by visual background information. One of the difficulties in group decision is that decision makers may bias their judgment in order to increase the possibility of a preferred result. Hence, the method used to provide visual aids in helping decision making teams both to observe the background context and to perceive outliers is an important issue to consider. This study proposes an extended Decision Ball model to visualize a group’s decisions. By observing the Decision Balls, each decision maker can: see individual ranking as well as similarities between alternatives, identify the differences between individual judgments and the group’s collective opinion, observe the clusters of alternatives as well as clusters of decision makers, and discover outliers. Thus, this method can help decision makers make a more objective judgment. [Copyright &y& Elsevier]
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  Data: <i>Copyright of European Journal of Operational Research is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.ejor.2009.07.008
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        Text: English
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      – SubjectFull: Group decision making
        Type: general
      – SubjectFull: Visual perception
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      – SubjectFull: Judgment (Psychology)
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      – SubjectFull: Decision theory
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      – SubjectFull: Preferences (Philosophy)
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      – SubjectFull: Decision support systems
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