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Updated: May 11, 2026
07:40
Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
Published on: May 31, 2021
Testing a dissonance body image intervention among young girls
Emma Halliwell1, Phillippa C Diedrichs1
1Centre for Appearance Research, University of the West of England.
Summary
Cognitive dissonance interventions effectively reduced body dissatisfaction and negative media effects in UK schoolgirls aged 12-13. This study shows these programs benefit younger adolescents, improving body image and media resilience.
Area of Science:
- Psychology
- Public Health
- Adolescent Health
Background:
- Cognitive dissonance interventions have proven effective for body image and eating disorders in females aged 14+.
- Previous research has not extensively explored the efficacy of these interventions in younger age groups or specific educational settings.
Purpose of the Study:
- To investigate the effectiveness of a cognitive dissonance-based intervention for body image and eating disorder prevention.
- To assess the intervention's impact on 12- and 13-year-old girls within a United Kingdom school environment.
Main Methods:
- A sample of 106 girls (mean age = 12.07 years) was recruited.
- Participants were randomly assigned to either an intervention group or a waitlist control group.
- Outcomes measured included body dissatisfaction, internalization of the thin ideal, dietary restraint, and media effects.
Main Results:
- The intervention group showed significant reductions in body dissatisfaction and internalization of the thin ideal compared to the control group.
- No significant changes in dietary restraint were observed in either group.
- The intervention group demonstrated increased resilience to negative media effects one month post-intervention.
Conclusions:
- Cognitive dissonance-based programs can successfully reduce body dissatisfaction, thin ideal internalization, and negative media effects in younger adolescent girls.
- These findings support the adaptation of dissonance-based interventions for use in school settings with pre-adolescent girls in the UK.
- The study highlights the potential of early intervention to foster positive body image and media literacy.
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