Despite the increasing number of studies on user experience (UX) and user interfaces (UI), few studies have examined emotional interaction between humans and deformable objects. In the current study, we investigated how the anthropomorphic design of a flexible display interacts with emotion. For 101 unique 3D images in which an object was bent at different axes, 281 participants were asked to report how strongly the object evoked five elemental emotions (e.g., happiness, disgust, anger, fear, and sadness) in an online survey. People rated the object's shape using three emotional categories: happiness, disgust-anger, and sadness-fear. It was also found that a combination of axis of bending (horizontal or diagonal axis) and convexity (bending convexly or concavely) predicted emotional valence, underpinning the anthropomorphic design of flexible displays. Our findings provide empirical evidence that axis of bending and convexity can be an important antecedent of emotional interaction with flexible objects, triggering at least three types of emotion in users.
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We would like to express our sincere gratitude to the editor and reviewers. We would also like to thank So Yon Jeong and Jaewoong Kim for their help in designing images and assembling data. This research was supported by the Ministry of Science and ICT (MIST), Korea, under the "ICT Consilience Creative Program (IITP-2018-2017-0-01015)" supervised by the Institute for Information and communications Technology Promotion (IITP). This research was supported by a grant of the SKT-Yonsei Global Talent Fostering Program through the SK Telecom ICT R&D Center funded by SK Telecom. This research was also supported by "Research Program to Solve Social Issues" of the National Research Foundation of Korea (NRF), funded by the MIST (NRF-2017M3C8A8091770).
© 2018 Lee, Baek and Ju.
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