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    Rights statement: This is an Accepted Manuscript of an article published by Taylor & Francis in The Journal of Social Psychology on 27 June 2020, available online: https://www.tandfonline.com/doi/abs/10.1080/00224545.2020.1784825

    Accepted author manuscript, 438 KB, PDF document

    Embargo ends: 27/06/21

    Available under license: CC BY-NC: Creative Commons Attribution-NonCommercial 4.0 International License

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Oral hygiene effects verbal and nonverbal displays of confidence

Research output: Contribution to journalJournal article

E-pub ahead of print
<mark>Journal publication date</mark>27/06/2020
<mark>Journal</mark>Journal of Social Psychology
Publication StatusE-pub ahead of print
Early online date27/06/20
<mark>Original language</mark>English

Abstract

Although oral hygiene is known to impact self-confidence and self-esteem, little is known about how it influences our interpersonal behavior. Using a wearable, multi-sensor device, we examined differences in consumers’ individual and interpersonal confidence after they had or had not brushed their teeth. Students (N = 140) completed nine one-to-one, 3-minute “speed dating” interactions while wearing a device that records verbal, nonverbal, and mimicry behavior. Half of the participants brushed their teeth using Close-Up toothpaste (Unilever) prior to the interactions, whilst the other half abstained from brushing that morning. Compared to those who had not brushed their teeth, participants who had brushed were more verbally confident (i.e., spoke louder, over-talked more), showed less nonverbal nervousness (i.e., fidgeted less), and were more often perceived as being “someone similar to me.” These effects were moderated by attractiveness but not by self-esteem or self-monitoring.

Bibliographic note

This is an Accepted Manuscript of an article published by Taylor & Francis in The Journal of Social Psychology on 27 June 2020, available online: https://www.tandfonline.com/doi/abs/10.1080/00224545.2020.1784825