The profiling design of spectacles using Kansei engineering (KE) and Kano model (KM) for customers preferences

Baharudin, Puteri Hajar (2024) The profiling design of spectacles using Kansei engineering (KE) and Kano model (KM) for customers preferences. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Kansei Engineering (KE), which captures emotional responses, is used to identify and analyse the emotional aspects of spectacle design, revealing users' subjective experiences. Kano Model (KM), a framework for customer satisfaction and product development, classifies design features from basic expectations to delighters by their impact on customer satisfaction. Currently, Kansei Engineering to capture user emotions and the Kano Model to categorise and prioritise design aspects are not used in the spectacles business because current design techniques focus on utilitarian components and ignore emotional design factors that enhance user satisfaction and engagement. Therefore, this research is carried out to investigate the application of Kansei Engineering (KE) and Kano Model (KM) in the profiling design of spectacles for customer preference. Through surveys and interviews, the customer feedback is gathered on five Kansei Words and five spectacle attributes among 50 UTeM students. The findings revealed that elements such as Design 4 (A square-shaped spectacle) is the most preferred design among the respondents represented by Lightweight based on the Kansei Engineering (KE) perspective obtained through the Average Analysis. There is correlation existed between the emotional design (KE) and quality attributes (KM) as such moderate correlation between Dysfunctional element of a spectacle with full frame to the emotional response of Beautiful through SPSS. The validation results shown that Design 1 (A spectacle with full frame) is the most preferred design in response to the emotional design of Comfortable and product characteristics of K4 (square-shaped). A comprehensive design profile based on customer preferences and improved overall user experience is created by combining the prioritisation framework of the Kano Model with the emotional insights from Kansei Engineering. This method offers valuable guidelines for designers and manufacturers to develop spectacles that satisfy functional requirements and evoke emotional responses in customers, resulting in increased satisfaction and loyalty.

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