The EmojiGrid as a Rating Tool for the Affective Appraisal of Touch

Alexander Toet*, Jan B.F. van Erp

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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Abstract

We evaluated the convergent validity of the new language-independent EmojiGrid rating tool for the affective appraisal of perceived touch events. The EmojiGrid is a rectangular response grid, labeled with facial icons (emoji) that express different degrees of valence and arousal. We previously showed that participants can intuitively and reliably report their affective appraisal of different sensory stimuli (e.g., images, sounds, smells) by clicking on the EmojiGrid, without additional verbal instructions. However, because touch events can be bidirectional and are a dynamic expression of action, we cannot generalize previous results to the touch domain. In this study, participants (N = 65) used the EmojiGrid to report their own emotions when looking at video clips showing different touch events. The video clips were part of a validated database that provided corresponding normative ratings (obtained with a 9-point SAM scale) for each clip. The affective ratings for inter-human touch obtained with the EmojiGrid show excellent agreement with the data provided in the literature (intraclass correlations of .99 for valence and .79 for arousal). For object touch events, these values are .81 and .18, respectively. This may indicate that the EmojiGrid is more sensitive to perspective (sender versus receiver) than classic tools. Also, the relation between valence and arousal shows the classic U-shape at the group level. Thus, the EmojiGrid appears to be a valid graphical self-report instrument for the affective appraisal of perceived touch events, especially for inter-human touch.
Original languageEnglish
Title of host publicationEuroHaptics 2020: Haptics: Science, Technology, Applications
Subtitle of host publication12th International Conference, EuroHaptics 2020, Leiden, The Netherlands, September 6–9, 2020, Proceedings
EditorsIlana Nisky, Jess Hartcher-O’Brien, Michaël Wiertlewski, Jeroen Smeets
Place of PublicationCham
PublisherSpringer
Pages3-11
ISBN (Electronic)978-3-030-58147-3
ISBN (Print)978-3-030-58146-6
DOIs
Publication statusPublished - 5 Sep 2020
Event12th International Conference on Human Haptic Sensing and Touch Enabled Computer Applications, EuroHaptics 2020 - Leiden, Netherlands
Duration: 6 Sep 20209 Sep 2020
Conference number: 12

Publication series

NameLecture notes in computer science
Volume12272

Conference

Conference12th International Conference on Human Haptic Sensing and Touch Enabled Computer Applications, EuroHaptics 2020
Abbreviated titleEuroHaptics
CountryNetherlands
CityLeiden
Period6/09/209/09/20

Keywords

  • Affective touch
  • Valence
  • Arousal
  • Emotions
  • EmojiGrid
  • SAM

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