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The group elicitation method for participatory design and usability testing

Published:01 March 1997Publication History
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  1. The group elicitation method for participatory design and usability testing

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              El-Sayed Nasr-El-Dein El-Sayed

              The elicitation of consensus knowledge from a heterogeneous group of experts is a challenging problem with potential difficulties, such as misunderstanding and the dominance of strong personalities. A six-phase method called the Group Elicitation Method (GEM) is presented as a way to overcome these problems. The first three phases deal with concept generation. In the fourth phase, the author uses a triangular matrix, filled in by each participant, to determine the priority relationships between the concepts that have already been generated. An interactive computer program is used to derive a consensus based on these priority matrices. The consensus is expressed in terms of four parameters—mean priority, interparticipant consistency, mean priority deviation, and global consensus. In the last phase, the results are critically analyzed. The GEM has been validated through 24 sessions in which it was used to elicit knowledge from experts (users, managers, and designers) from a wide range of domains in aeronautics. Among the best features of this method is its integrative approach to knowledge elicitation, which combines the benefits of the analytical approach, the group meeting properties, and an understanding of the social construction of knowledge. This method can serve as a good basis for a group decision support system.

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              • Published in

                cover image Interactions
                Interactions  Volume 4, Issue 2
                March/April 1997
                52 pages
                ISSN:1072-5520
                EISSN:1558-3449
                DOI:10.1145/245129
                Issue’s Table of Contents

                Copyright © 1997 ACM

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                Association for Computing Machinery

                New York, NY, United States

                Publication History

                • Published: 1 March 1997

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