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An Empirical Evaluation of Novelty-SAPPhIRE Relationship

Srinivasan, V and Chakrabarti, A (2009) An Empirical Evaluation of Novelty-SAPPhIRE Relationship. In: ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference (IDETC/CIE2009), August 30 - September 2, 2009.

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Abstract

The research shown in this paper is to check whether a framework for designing: GEMS of SAPPhIRE as req-sol, developed earlier, can support in the designing of novel concepts. This is done by asking the questions: (a) Is there a relationship between the constructs of the framework and novelty? (b) If there is a relationship, what is the degree of this relationship? A hypothesis — an increase in the size and variety of ideas used while designing should enhance the variety of concepts produced, leading to an increase in the novelty of the concept space — is developed to explain the relationship between novelty and the constructs. Eight existing observational studies of designing sessions, each involving an individual designer solving a conceptual design problem by following a think aloud protocol are used for the analysis. The hypothesis is verified empirically using the observational studies. Results also show a strong correlation between novelty and the constructs of the framework; correlation value decreases as the abstraction level of the constructs reduces, signifying the importance of using constructs at higher abstraction levels especially for novelty.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to ASME.
Department/Centre: Division of Mechanical Sciences > Centre for Product Design & Manufacturing
Depositing User: Ms TV Yashodha
Date Deposited: 19 Dec 2011 07:06
Last Modified: 19 Dec 2011 07:06
URI: http://eprints.iisc.ac.in/id/eprint/40690

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