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. 2020 Oct 8;10:16825. doi: 10.1038/s41598-020-73826-2

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Subjective ratings. For each condition, the right half shows the scattered dots of participant-wise mean values. The group mean value is shown with a filled dot (video condition) or triangle (live condition) in the middle, accompanied by error bars indicating the within-subject standard error. The box on the left half defines the median, along with the first and third quartiles of the distribution; the upper or lower whiskers extend from the hinge to the most extreme value no further than 1.5 * IQR from the hinge. Panel A: valence. Panel B: arousal. A significant interaction was observed between emotion (positive, negative) and presentation condition (video, live). Follow-up simple effect analysis revealed higher valence and arousal ratings under the positive-live condition than under the positive-video condition, but no differences were observed between the negative conditions.