Effects of a robot’s head-tilting motion and hand gesture on the feeling of kawaii toward the robot and its outfit

Shiomi, Masahiro; Kato, Yuina; Nittono, Hiroshi et al.

Advanced Robotics, 2025

Number of Access:44（2025-10-17 01:48 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/102515

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Title
Effects of a robot’s head-tilting motion and hand gesture on the feeling of kawaii toward the robot and its outfit
Creator
NRID
1000090455577 1000090455577
CreatorName
Shiomi, Masahiro
CreatorName
Kato, Yuina
NRID
1000020304371 1000020304371
ORCID
0000-0001-5671-609X 0000-0001-5671-609X
researchmap permalink
hiroshinittono hiroshinittono
Scopus Author ID
8131491700 8131491700
CreatorName
Nittono, Hiroshi
NRID
1000070814987 1000070814987
CreatorName
Anzai, Emi
NRID
1000020252637 1000020252637
CreatorName
Saiwaki, Naoki
Description
This is an Accepted Manuscript of an article published by Taylor & Francis in Advanced Robotics on 30 Jul 2025, available at https://doi.org/10.1080/01691864.2025.2538184.
Abstract
Head-tilting motions are notable social cues that have a significant impact on human-robot interaction, since prior studies suggest they can enhance the feeling of kawaii given by a robot. Kawaii, a Japanese term referring to cuteness or endearment, is an emotional response that has proven critical for designing socially acceptable robots. However, the influence of head-tilting characteristics remains underexplored. Therefore, we investigate how variations in both the speed and direction of head-tilting motion affect the feeling of kawaii, as well as investigate the effectiveness of hand gestures during the motion. Moreover, we explore whether the kawaii characteristics of an object can be transferred to its surrounding objects, i.e. the kawaii spillover effect, by using the robot and its outfits. We conduct web surveys for three different purposes. First, the feeling of kawaii toward the robot is enhanced when it tilts its head to its right (from participant’s viewpoint) within 0.5–1 s. Second, the hand gesture (hands-on-cheeks) along with the head-tilting motion also enhances the feeling of kawaii toward the robot. Finally, this head-tilting motion with the hands-on-cheeks gesture increases the feeling of kawaii toward the robot and its outfit, as evidence of the kawaii spillover effect.
Publisher
Informa UK Limited
Source Title
Advanced Robotics
Date of Issued
2025-07-30
Language
English
Handle URL
https://hdl.handle.net/11094/102515
PISSN
01691864
eISSN
15685535
Relation.isVersionOf
DOI (Publisher Version)
https://doi.org/10.1080/01691864.2025.2538184
Access Rights
embargoed access
CopyRight
This is an Accepted Manuscript of an article published by Taylor & Francis in Advanced Robotics on 30 Jul 2025, available at https://doi.org/10.1080/01691864.2025.2538184.
The full-text file will be made open to the public on 30 Jul 2026 in accordance with the publisher's policy.
oaire:version
Accepted Manuscript
Category
学術雑誌論文 Journal Article