Development of New Products by DEMATEL
Abstract
In this study, the consumer of the glass coffee stir bar design was used as the research object, and DEMATEL (Decision-Making Trial and Evaluation Laboratory) was used to explore the causality and importance of the evaluation factors for the purchase decision. The study found that the three most important key assessment factors before the purchase decision of glass coffee stir bars were ‘beautiful’, ‘operability’, and ‘durability’; ‘beauty’ was the main influencing factor; ‘operability’ – this is the main factor affected. In addition, glass coffee stir bars are the three most important key assessment factors before the general consumer purchase decision. Therefore, it is recommended to use this method to verify the case study of glass coffee stirrer bar designs, and to study the possible development directions for evaluation. This model process can not only quantitatively evaluate the simple factors of complex interaction factors, but the results can also be used as a design to determine the direction of future development.
Keywords: modular design, product family, interpretive structural model, product design
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