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All Outputs (16)

Acceptability and preliminary efficacy testing of a web-based coach development program addressing gender essentialism among coaches of adolescent girls (2023)
Journal Article
Goorevich, A., Boucher, C., Schneider, J., Silva-Breen, H., Matheson, E. L., Tinoco, A., & LaVoi, N. M. (in press). Acceptability and preliminary efficacy testing of a web-based coach development program addressing gender essentialism among coaches of adolescent girls. International Sport Coaching Journal / ISCJ, https://doi.org/10.1123/iscj.2023-0035

Gender essentialism in coaching discourses often goes unnoticed by coaches yet promotes gender stereotypes. Currently, no coach development program addresses gender essentialism. This study tested the acceptability and preliminary efficacy of a novel... Read More about Acceptability and preliminary efficacy testing of a web-based coach development program addressing gender essentialism among coaches of adolescent girls.

A systematic review and meta-analysis of interventions that target the intersection of body image and movement among girls and women (2023)
Journal Article
Matheson, E. L., Schneider, J., Gentili, C., Tinoco, A., Silva-Breen, H., White, P., …Diedrichs, P. C. (in press). A systematic review and meta-analysis of interventions that target the intersection of body image and movement among girls and women. International Review of Sport and Exercise Psychology, https://doi.org/10.1080/1750984x.2023.2258379

Body image concerns and disengagement from movement-based activities are intertwined and disproportionately higher among girls and women, relative to boys and men. This systematic review and meta-analysis examined interventions targeting the intersec... Read More about A systematic review and meta-analysis of interventions that target the intersection of body image and movement among girls and women.

The co-creation, initial piloting, and protocol for a cluster randomised controlled trial of a coach-led positive body image intervention for girls in sport (2023)
Journal Article
Matheson, E. L., Schneider, J., Tinoco, A., Gentili, C., Silva-Breen, H., LaVoi, N. M., …Diedrichs, P. C. (2023). The co-creation, initial piloting, and protocol for a cluster randomised controlled trial of a coach-led positive body image intervention for girls in sport. BMC Public Health, 23(1), Article 1467. https://doi.org/10.1186/s12889-023-16360-w

Background: Globally, girls disengage from sports at an earlier age and higher rate than boys. This is, in part, due to the unique body image challenges that girls face, relative to their male peers. Existing intervention efforts that aim to reduce g... Read More about The co-creation, initial piloting, and protocol for a cluster randomised controlled trial of a coach-led positive body image intervention for girls in sport.

How can we help you? A global investigation into girls’ body image experiences in sport and intervention preferences (2023)
Journal Article
Matheson, E. L., Schneider, J., Tinoco, A., Silva-Breen, H., LaVoi, N. M., & Diedrichs, P. C. (2023). How can we help you? A global investigation into girls’ body image experiences in sport and intervention preferences. Body Image, 46, 265-279. https://doi.org/10.1016/j.bodyim.2023.06.012

Existing interventions that target the intersection of girls’ body image and sports participation are marginally effective, which is, in part, due to methodological limitations pertaining to intervention development (i.e., not theoretically or stakeh... Read More about How can we help you? A global investigation into girls’ body image experiences in sport and intervention preferences.

A six-country study of coaches’ perspectives of girls’ body image concerns in sport and intervention preferences: Template analysis of survey and focus group data (2023)
Journal Article
Schneider, K., Matheson, E. L., Tinoco, A., Silva-Breen, H., Diedrichs, P. C., & LaVoi, N. M. (2023). A six-country study of coaches’ perspectives of girls’ body image concerns in sport and intervention preferences: Template analysis of survey and focus group data. Body Image, 46, 300-312. https://doi.org/10.1016/j.bodyim.2023.06.013

Coaches are a key influence of athletes’ body image, but often feel ill-equipped to address body image concerns and can perpetuate harmful body ideals. Limited research has investigated coaches’ attitudes and opinions and few effective resources are... Read More about A six-country study of coaches’ perspectives of girls’ body image concerns in sport and intervention preferences: Template analysis of survey and focus group data.

Using chatbot technology to improve Brazilian adolescents' body image and mental health at scale: Randomized controlled trial (2023)
Journal Article
Matheson, E. L., Smith, H. G., Amaral, A. C. S., Meireles, J. F. F., Almeida, M. C., Linardon, J., …Diedrichs, P. C. (2023). Using chatbot technology to improve Brazilian adolescents' body image and mental health at scale: Randomized controlled trial. JMIR mHealth and uHealth, 11, Article e39934. https://doi.org/10.2196/39934

Background: Accessible, cost-effective, and scalable mental health interventions are limited, particularly in low- and middle-income countries, where disparities between mental health needs and services are greatest. Microinterventions (ie, brief, st... Read More about Using chatbot technology to improve Brazilian adolescents' body image and mental health at scale: Randomized controlled trial.

“They are men, they will be looking even if you put on pants or a sweatshirt”: Girl athletes' and coaches' experiences of body image in Mexico City sport settings (2023)
Journal Article
Tinoco, A., Schneider, K., Haywood, S., & Matheson, E. L. (2023). “They are men, they will be looking even if you put on pants or a sweatshirt”: Girl athletes' and coaches' experiences of body image in Mexico City sport settings. Body Image, 46, 73-83. https://doi.org/10.1016/j.bodyim.2023.05.002

Body image concerns are a barrier for girls’ participation in sports. Scarce evidence from Mexico suggests adolescents experience high levels of body dissatisfaction, and national statistics report low levels of physical activity among girls. This st... Read More about “They are men, they will be looking even if you put on pants or a sweatshirt”: Girl athletes' and coaches' experiences of body image in Mexico City sport settings.

Body confident coaching: A pilot randomized controlled trial evaluating the acceptability of a web-based body image intervention for coaches of adolescent girls (2023)
Journal Article
Schneider, K., Matheson, E. L., Tinoco, A., Gentili, C., White, P., Boucher, C., …LaVoi, N. M. (in press). Body confident coaching: A pilot randomized controlled trial evaluating the acceptability of a web-based body image intervention for coaches of adolescent girls. Journal of Applied Sport Psychology, https://doi.org/10.1080/10413200.2023.2212023

Coaches influence athletes’ body image, but often feel ill-equipped to address body image concerns and inadvertently perpetuate harmful body ideals. No evidence-based, empirically-tested body image intervention for coaches exists. This study evaluate... Read More about Body confident coaching: A pilot randomized controlled trial evaluating the acceptability of a web-based body image intervention for coaches of adolescent girls.

Development and preliminary validation of the Coach Self-Efficacy Body Image Scale (CSEBIS) (2022)
Journal Article
Silva-Breen, H., Schneider, K., Matheson, E., Tinoco, A., & LaVoi, N. (2022). Development and preliminary validation of the Coach Self-Efficacy Body Image Scale (CSEBIS). Body Image, 43, 408-419. https://doi.org/10.1016/j.bodyim.2022.10.008

Body image concerns are a commonly cited reason for sport drop out. Researchers have begun to explore the influence of coaches on athletes’ body image. However, no measure exists to accurately and easily assess interventions or predict coaches’ body... Read More about Development and preliminary validation of the Coach Self-Efficacy Body Image Scale (CSEBIS).

The body esteem scale for adults and adolescents: Translation, adaptation and psychometric validation among Brazilian adolescents (2022)
Journal Article
Smith, H. G., Garbett, K. M., Matheson, E. L., Amaral, A. C. S., Meireles, J. F. F., Almeida, M. C., …Diedrichs, P. C. (2022). The body esteem scale for adults and adolescents: Translation, adaptation and psychometric validation among Brazilian adolescents. Body Image, 42(September 2022), 213-221. https://doi.org/10.1016/j.bodyim.2022.05.012

A lack of rigorously validated body image measures for use among adolescents is hampering research in Brazil. This study aimed to validate a Brazilian Portuguese version of the Body Esteem Scale for Adults and Adolescents (BESAA; Mendelson et al., 20... Read More about The body esteem scale for adults and adolescents: Translation, adaptation and psychometric validation among Brazilian adolescents.

A mixed-studies systematic review of the experiences of body image, disordered eating, and eating disorders during the COVID-19 pandemic (2022)
Journal Article
Schneider, K., Pegram, G., Gibson, B., Talamonti, D., Tinoco, A., Craddock, N., …Forshaw, M. (2023). A mixed-studies systematic review of the experiences of body image, disordered eating, and eating disorders during the COVID-19 pandemic. International Journal of Eating Disorders, 56(1), 26-67. https://doi.org/10.1002/eat.23706

Objectives: This systematic review assessed the influence of the COVID-19 pandemic and associated restrictions on body image, disordered eating (DE), and eating disorder outcomes. Methods: After registration on PROSPERO, a search was conducted for pa... Read More about A mixed-studies systematic review of the experiences of body image, disordered eating, and eating disorders during the COVID-19 pandemic.

Improving body image at scale among Brazilian adolescents: Study protocol for the co-creation and randomised trial evaluation of a chatbot intervention (2021)
Journal Article
Matheson, E., Smith, H., Amaral, A., Meireles, J., Almeida, M., Mora, G., …Diedrichs, P. (2021). Improving body image at scale among Brazilian adolescents: Study protocol for the co-creation and randomised trial evaluation of a chatbot intervention. BMC Public Health, 21(1), Article 2135. https://doi.org/10.1186/s12889-021-12129-1

Background: Body image concerns are prevalent among Brazilian adolescents and can lead to poor psychological and physical health. Yet, there is a scarcity of culturally-appropriate, evidence-based interventions that have been evaluated and made widel... Read More about Improving body image at scale among Brazilian adolescents: Study protocol for the co-creation and randomised trial evaluation of a chatbot intervention.

Game on! A randomised controlled trial evaluation of playable technology in improving body satisfaction and negative affect among adolescents (2021)
Journal Article
Matheson, E. L., Smith, H., Lewis-Smith, H., Arbon, R., & Diedrichs, P. (2022). Game on! A randomised controlled trial evaluation of playable technology in improving body satisfaction and negative affect among adolescents. New Media and Society, 24(12), 2635–2658. https://doi.org/10.1177/1461444821993800

Playables are mini-games used in digital advertising and may offer a novel and engaging avenue to improve young people’s well-being at scale. This randomised controlled trial evaluated the immediate impact and protective properties of a psychoeducati... Read More about Game on! A randomised controlled trial evaluation of playable technology in improving body satisfaction and negative affect among adolescents.

The effectiveness of brief animated films as a scalable micro-intervention to improve children’s body image: A randomised controlled trial (2020)
Journal Article
Matheson, E., Lewis-Smith, H., & Diedrichs, P. (2020). The effectiveness of brief animated films as a scalable micro-intervention to improve children’s body image: A randomised controlled trial. Body Image, 35, 142-153. https://doi.org/10.1016/j.bodyim.2020.08.015

Creating media to counteract the plethora of media and advertising that perpetuates negative body image is a scalable public health strategy that can be achieved through innovative micro-interventions. This study examined the immediate and short-ter... Read More about The effectiveness of brief animated films as a scalable micro-intervention to improve children’s body image: A randomised controlled trial.

Utilising cognitive bias modification to remedy appearance and self-worth biases in eating disorder psychopathology: A systematic review (2019)
Journal Article
Matheson, E., Wade, T. D., & Yiend, J. (2019). Utilising cognitive bias modification to remedy appearance and self-worth biases in eating disorder psychopathology: A systematic review. Journal of Behavior Therapy and Experimental Psychiatry, 65, https://doi.org/10.1016/j.jbtep.2019.101482

© 2019 Elsevier Ltd Background and objectives: This study systematically reviewed the impact of Cognitive Bias Modification (CBM) on biases related to attention (CBM-A) and interpretation (CBM-I) for appearance and self-worth stimuli and the subseque... Read More about Utilising cognitive bias modification to remedy appearance and self-worth biases in eating disorder psychopathology: A systematic review.

A new cognitive bias modification technique to influence risk factors for eating disorders (2018)
Journal Article
Matheson, E., Wade, T., & Yiend, J. (2018). A new cognitive bias modification technique to influence risk factors for eating disorders. International Journal of Eating Disorders, 51(8), 959-967. https://doi.org/10.1002/eat.22938

© 2018 Wiley Periodicals, Inc. Objective: Eating disorder psychopathology is associated with a propensity to interpret ambiguous stimuli to be negatively related to one's appearance and self-worth. The relative impact of modifying interpretation bias... Read More about A new cognitive bias modification technique to influence risk factors for eating disorders.