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Does stress affect nonverbal engagement in teams? A case study in professional team sport

Benjamin G. Serpell (Brumbies Rugby, Canberra, Australia; Research Institute for Sport and Exercise, University of Canberra, Bruce, Australia and Performance People and Teams, Australian Institute of Sport, Canberra, Australia)
Stephen Larkham (Rugby Australia, New South Wales, Australia)
Christian J. Cook (Research Institute for Sport and Exercise, University of Canberra, Bruce, Australia; Hamlyn Centre, Imperial College London, London, UK and Biomedical, Brain-Behaviour Research Group, School of Science and Technology, University of New England, Armidale, Australia)

Team Performance Management

ISSN: 1352-7592

Article publication date: 6 November 2019

Issue publication date: 4 June 2020

437

Abstract

Purpose

Team effectiveness is often predicated by a group’s ability to communicate. However, the effect of stress response on communication success, particularly nonverbal engagement, and how this might affect team performance, is not clear; a “phenomenon” this study sought to explore.

Design/methodology/approach

This was an observational study in a cohort of professional rugby players. Participants gave presentations to their peers on two separate occasions during a “live-in” camp designed to have psychologically stressful elements. Presentations were video recorded and audience engagement was measured. Testosterone and cortisol were used as biomarkers of stress response, with a high testosterone–cortisol ratio considered positive. A team training session followed the presentations and participants were rated for training quality.

Findings

A small decline in testosterone was observed each day after waking. Conversely, cortisol rose after waking, with the rise being the highest on the first day. A decline in testosterone–cortisol ratio was also seen each day after waking; the decline was greatest on the first day. Presentation duration and audience engagement was greatest for the second presentation; when the testosterone-cortisol ratio decline and the cortisol increase after waking was smaller. Training quality was also better that day. Pooled data revealed a moderate inverse relationship and weak positive relationships for audience engagement with post-meeting cortisol and post-meeting testosterone–cortisol ratio, respectively. Training quality was related to testosterone and testosterone–cortisol ratio, but inversely related to cortisol.

Originality/value

This study suggests that in stressful conditions, as suggested by an awakening hormone response, communication and team performance could become compromised with reduced ability to engage with others.

Keywords

Acknowledgements

The authors wish to thank Stratech Scientific Asia-Pacific for their assistance with saliva analysis. The assistance and support from the Performance Coaching and Leadership team at the Australian Institute of Sport is also appreciated.

Funding: Funding for this project was awarded via the University of Canberra Research Institute of Sport and Exercise external collaboration grant.

Citation

Serpell, B.G., Larkham, S. and Cook, C.J. (2020), "Does stress affect nonverbal engagement in teams? A case study in professional team sport", Team Performance Management, Vol. 26 No. 3/4, pp. 197-210. https://doi.org/10.1108/TPM-06-2019-0059

Publisher

:

Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited

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