Skip to main content

Research Repository

Advanced Search

All Outputs (5)

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.

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.

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.

Designing an mHealth intervention for people with visible differences based on acceptance and commitment therapy: Participatory study gaining stakeholders’ input (2021)
Journal Article
Zucchelli, F., Donnelly, O., Rush, E., Smith, H., Williamson, H., & The VTCT Foundation Research Team. (2021). Designing an mHealth intervention for people with visible differences based on acceptance and commitment therapy: Participatory study gaining stakeholders’ input. JMIR Formative Research, 5(3), Article e26355. https://doi.org/10.2196/26355

Background: Given their growing popularity, mobile health (mHealth) apps may offer a viable method of delivering psychological interventions for people with an atypical appearance (ie, visible difference) who struggle with appearance-related distress... Read More about Designing an mHealth intervention for people with visible differences based on acceptance and commitment therapy: Participatory study gaining stakeholders’ input.

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.