The effect of anime character’s facial expressions and eye blinking on donation behavior

Abstract Studies of the use of artificial agents and robots to solicit donations from people have suggested that the design of the agents must consider facial expressions. However, there has not been sufficient evidence to generalize the finding that the emotions conveyed by agents’ facial expressio...

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Autores principales:	Hisashi Takagi, Kazunori Terada
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fa725fbd24cd4e09958fb60d3711a9e1
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spelling	oai:doaj.org-article:fa725fbd24cd4e09958fb60d3711a9e12021-12-02T16:56:03ZThe effect of anime character’s facial expressions and eye blinking on donation behavior10.1038/s41598-021-87827-22045-2322https://doaj.org/article/fa725fbd24cd4e09958fb60d3711a9e12021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-87827-2https://doaj.org/toc/2045-2322Abstract Studies of the use of artificial agents and robots to solicit donations from people have suggested that the design of the agents must consider facial expressions. However, there has not been sufficient evidence to generalize the finding that the emotions conveyed by agents’ facial expressions can induce donations. In the present study, we conducted an experiment with an animated character that has intermediate realism and a different appearance from those in previous studies to replicate the finding that facial expressions represented by changes in the shapes of the eyes and mouth cause people to become more prosocial and to test whether we can extend this finding to the emotional expressions presented by changes in the dynamic properties of eyes. In the experiment, participants ( $$n=100$$ n = 100 ) played a hypothetical dictator game with an avatar that expressed its emotions by changing the shapes of its eyes, eyebrows and mouth and by changing the frequency of eye blinking. The results showed that the emotions expressed by changes in the shape of the facial parts contributed to eliciting a higher donation amount, consistent with previous studies. However, we could not find an additive effect of the emotional expression shown by eye blinking. The results suggest that, regardless of appearance, emotional expression is useful in the design of a virtual agent’s face, but it might not be necessary to consider the dynamic properties of the eyes.Hisashi TakagiKazunori TeradaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hisashi Takagi Kazunori Terada The effect of anime character’s facial expressions and eye blinking on donation behavior
description	Abstract Studies of the use of artificial agents and robots to solicit donations from people have suggested that the design of the agents must consider facial expressions. However, there has not been sufficient evidence to generalize the finding that the emotions conveyed by agents’ facial expressions can induce donations. In the present study, we conducted an experiment with an animated character that has intermediate realism and a different appearance from those in previous studies to replicate the finding that facial expressions represented by changes in the shapes of the eyes and mouth cause people to become more prosocial and to test whether we can extend this finding to the emotional expressions presented by changes in the dynamic properties of eyes. In the experiment, participants ( $$n=100$$ n = 100 ) played a hypothetical dictator game with an avatar that expressed its emotions by changing the shapes of its eyes, eyebrows and mouth and by changing the frequency of eye blinking. The results showed that the emotions expressed by changes in the shape of the facial parts contributed to eliciting a higher donation amount, consistent with previous studies. However, we could not find an additive effect of the emotional expression shown by eye blinking. The results suggest that, regardless of appearance, emotional expression is useful in the design of a virtual agent’s face, but it might not be necessary to consider the dynamic properties of the eyes.
format	article
author	Hisashi Takagi Kazunori Terada
author_facet	Hisashi Takagi Kazunori Terada
author_sort	Hisashi Takagi
title	The effect of anime character’s facial expressions and eye blinking on donation behavior
title_short	The effect of anime character’s facial expressions and eye blinking on donation behavior
title_full	The effect of anime character’s facial expressions and eye blinking on donation behavior
title_fullStr	The effect of anime character’s facial expressions and eye blinking on donation behavior
title_full_unstemmed	The effect of anime character’s facial expressions and eye blinking on donation behavior
title_sort	effect of anime character’s facial expressions and eye blinking on donation behavior
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/fa725fbd24cd4e09958fb60d3711a9e1
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The effect of anime character’s facial expressions and eye blinking on donation behavior

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