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Visual Expectation Effect on Tactile Texture: Toward Sensory Design Using Expectation Disconfirmation

[+] Author Affiliations
Hideyoshi Yanagisawa, Kenji Takatsuji

The University of Tokyo, Tokyo, Japan

Paper No. DETC2012-70186, pp. 559-566; 8 pages
doi:10.1115/DETC2012-70186
From:
  • ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2: 32nd Computers and Information in Engineering Conference, Parts A and B
  • Chicago, Illinois, USA, August 12–15, 2012
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-4501-1
  • Copyright © 2012 by ASME

abstract

A surface texture is a common design factor that affects a customer’s sensory perception of product quality. Customers perceive a surface quality using multiple sensory modalities, for example, vision and touch, and switch them through an interaction with a product, for example, a transition from vision to touch. Between such sensory modality transitions, human beings often predict subsequent modal perceptions using a prior modality, for example, predicting the tactile quality of a product from its appearance before actually touching it. We believe that a disconfirmation between prediction using a modality and an experience using another modality affects a perceived quality. In this paper, we propose a method to evaluate the quality of a surface texture with attention to the effects of a disconfirmation between a prior visual prediction and posterior tactual experience. To identify the textural factors contributing to such an effect, we conducted a sensory evaluation experiment with combinations of visual and tactile texture samples that were synthesized using a half-mirror. We demonstrate the appropriateness of the method with analysis of the results of an experiment using fourteen plastic texture samples having different textures that are commonly used in a product design.

Copyright © 2012 by ASME

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