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The emotional robotic storyteller: On the influence of affect congruency on narrative transportation, robot perception, and persuasion.

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Title: The emotional robotic storyteller: On the influence of affect congruency on narrative transportation, robot perception, and persuasion.
Authors: Appel, Markus1 (AUTHOR) markus.appel@uni-wuerzburg.de, Lugrin, Birgit1,2 (AUTHOR) birgit.lugrin@uni-wuerzburg.de, Kühle, Mayla1 (AUTHOR), Heindl, Corinna1 (AUTHOR)
Source: Computers in Human Behavior. Jul2021, Vol. 120, pN.PAG-N.PAG. 1p.
Subject Terms: *Emotions, *Storytelling, Facial expression, Robotics
Abstract: We connected theory and research on narrative persuasion to the literature on social robots and examined the effects of a robotic storyteller's facial expressions. The congruency between the emotional arc of a story and the facial expressions of the robot was of particular interest. In a lab experiment, participants were confronted with a storytelling robot who displayed emotions that were congruent or incongruent with the events unfolding in the story or it displayed no emotions. Affect congruency increased participants' transportation in the story world, led to more positive evaluations of the robot, and increased the likelihood of choosing a product that was advertised in the story. Although the robot's voice was held constant in all three conditions, congruent facial expressions led to the illusion of a more congruent intonation by the robot. • A robotic storyteller's facial expressions were manipulated. • Story-congruent expressions were compared to story-incongruent or no expressions. • Congruent expressions yielded more transportation and story-consistent behavior. • An illusory intonation effect was observed. [ABSTRACT FROM AUTHOR]
Copyright of Computers in Human Behavior is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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PubType: Academic Journal
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  Data: The emotional robotic storyteller: On the influence of affect congruency on narrative transportation, robot perception, and persuasion.
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  Data: <searchLink fieldCode="AR" term="%22Appel%2C+Markus%22">Appel, Markus</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> markus.appel@uni-wuerzburg.de</i><br /><searchLink fieldCode="AR" term="%22Lugrin%2C+Birgit%22">Lugrin, Birgit</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> birgit.lugrin@uni-wuerzburg.de</i><br /><searchLink fieldCode="AR" term="%22Kühle%2C+Mayla%22">Kühle, Mayla</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Heindl%2C+Corinna%22">Heindl, Corinna</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: *<searchLink fieldCode="DE" term="%22Emotions%22">Emotions</searchLink><br />*<searchLink fieldCode="DE" term="%22Storytelling%22">Storytelling</searchLink><br /><searchLink fieldCode="DE" term="%22Facial+expression%22">Facial expression</searchLink><br /><searchLink fieldCode="DE" term="%22Robotics%22">Robotics</searchLink>
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  Label: Abstract
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  Data: We connected theory and research on narrative persuasion to the literature on social robots and examined the effects of a robotic storyteller's facial expressions. The congruency between the emotional arc of a story and the facial expressions of the robot was of particular interest. In a lab experiment, participants were confronted with a storytelling robot who displayed emotions that were congruent or incongruent with the events unfolding in the story or it displayed no emotions. Affect congruency increased participants' transportation in the story world, led to more positive evaluations of the robot, and increased the likelihood of choosing a product that was advertised in the story. Although the robot's voice was held constant in all three conditions, congruent facial expressions led to the illusion of a more congruent intonation by the robot. • A robotic storyteller's facial expressions were manipulated. • Story-congruent expressions were compared to story-incongruent or no expressions. • Congruent expressions yielded more transportation and story-consistent behavior. • An illusory intonation effect was observed. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Computers in Human Behavior is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.chb.2021.106749
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: Storytelling
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      – SubjectFull: Facial expression
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      – SubjectFull: Robotics
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      – TitleFull: The emotional robotic storyteller: On the influence of affect congruency on narrative transportation, robot perception, and persuasion.
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            – D: 01
              M: 07
              Text: Jul2021
              Type: published
              Y: 2021
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