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; Anzai, Emi; Saiwaki, Naoki

doi:https://doi.org/10.1080/01691864.2025.2538184

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

アクセス数:9件（2025-08-29 07:56 集計）

固定URL: https://hdl.handle.net/11094/102515

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タイトル	Effects of a robot’s head-tilting motion and hand gesture on the feeling of kawaii toward the robot and its outfit
著者	NRID 1000090455577 1000090455577 著者名 Shiomi, Masahiro
	著者名 Kato, Yuina
	NRID 1000020304371 1000020304371 ORCID 0000-0001-5671-609X 0000-0001-5671-609X researchmap permalink hiroshinittono hiroshinittono Scopus Author ID 8131491700 8131491700 著者名 Nittono, Hiroshi
	NRID 1000070814987 1000070814987 著者名 Anzai, Emi
	NRID 1000020252637 1000020252637 著者名 Saiwaki, Naoki
内容	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.
抄録	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.
出版者	Informa UK Limited
収録物名	Advanced Robotics
刊行年月	2025-07-30
言語	英語
ハンドルURL	https://hdl.handle.net/11094/102515
PISSN	01691864
eISSN	15685535
関連情報 (isVersionOf)	DOI (出版社版) https://doi.org/10.1080/01691864.2025.2538184
アクセス権	embargoed access
権利情報	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.
権利情報	The full-text file will be made open to the public on 30 Jul 2026 in accordance with the publisher's policy.
出版タイプ	Accepted Manuscript
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Advanced Robotics. 2025
DC.title	Effects of a robot’s head-tilting motion and hand gesture on the feeling of kawaii toward the robot and its outfit
DC.creator	Shiomi, Masahiro
	Kato, Yuina
	Nittono, Hiroshi
	Anzai, Emi
	Saiwaki, Naoki
DC.publisher	Informa UK Limited
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2025-07-30
DC.identifier	https://doi.org/10.1080/01691864.2025.2538184
DC.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.
DCTERMS.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.
DC.rights	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.
DC.rights	The full-text file will be made open to the public on 30 Jul 2026 in accordance with the publisher's policy.
DC.format	102515
citation_title	Effects of a robot’s head-tilting motion and hand gesture on the feeling of kawaii toward the robot and its outfit
citation_author	Shiomi, Masahiro
	Kato, Yuina
	Nittono, Hiroshi
	Anzai, Emi
	Saiwaki, Naoki
citation_publisher	Informa UK Limited
citation_language	英語
citation_date	2025-07-30
citation_journal_title	Advanced Robotics
citation_doi	https://doi.org/10.1080/01691864.2025.2538184
citation_public_url	https://hdl.handle.net/11094/102515

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

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