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Externalisation in design: impact of different tools on designers' activities and on the assessment of final design

Published: 25 August 2010 Publication History

Abstract

This study contributes to a better understanding of how the use of different tools influences both the design process and the way that final designs are assessed. Unlike previous research comparing computer aided design (CAD) and freehand sketching, we compared CAD and manual modelling. CAD systems and manual modelling both tend to be used after the early design stage, which is mainly involves sketching. Our study would therefore be useful for determining which of the two is more appropriate, depending on the designer's priorities and the intended purpose of the object being developed.
Our study was conducted in two phases. First the activities of 20 designers were recorded in two different experimental conditions: 1) using a CAD system 2) using manual modelling. Secondly, 20 other participants (judges) were asked to assess the end results of these activities.
According to the experimental condition, we observed differences in both the design activities and the assessments of the final designs. More specifically, items designed using a CAD system were scored higher on aesthetics, originality and marketing. However, no difference was observed for the functionality criterion.
Use of a CAD system would appear to be most appropriate for highlighting aesthetic and marketing features, but manual modelling remains a suitable tool for designing functional objects.

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Cited By

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  • (2023)Theoretical and Empirical Perspectives on Prototypes and Prototyping in DesignDesign in the Era of Industry 4.0, Volume 210.1007/978-981-99-0264-4_71(865-876)Online publication date: 30-Jul-2023

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        ECCE '10: Proceedings of the 28th Annual European Conference on Cognitive Ergonomics
        August 2010
        380 pages
        ISBN:9781605589466
        DOI:10.1145/1962300

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        • TNO: Netherlands Organization for Applied Scientific Research
        • EACE: European Association of Cognitive Ergonomics

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        Association for Computing Machinery

        New York, NY, United States

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        Published: 25 August 2010

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        Author Tags

        1. CAD
        2. assessment
        3. creative design
        4. externalisation tool
        5. manual modelling

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        ECCE '10
        Sponsor:
        • TNO
        • EACE
        ECCE '10: European Conference on Cognitive Ergonomics
        August 25 - 27, 2010
        Delft, Netherlands

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        • (2023)Theoretical and Empirical Perspectives on Prototypes and Prototyping in DesignDesign in the Era of Industry 4.0, Volume 210.1007/978-981-99-0264-4_71(865-876)Online publication date: 30-Jul-2023

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