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Related Experiment Video

Updated: Sep 13, 2025

Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
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Acceptance and Commitment Therapy for Body Dissatisfaction: A Systematic Review and Meta-Analysis.

Sarah Boyle1, Nicole Dorfan1, Amir A Sepehry1

  • 1Adler University, Vancouver, British Columbia, Canada.

Journal of Clinical Psychology
|August 1, 2025
PubMed
Summary

Acceptance and Commitment Therapy (ACT) effectively reduces body dissatisfaction (BD), especially for individuals at high risk for eating disorders (ED). Online self-help ACT interventions show particular promise for BD reduction and ED prevention.

Keywords:
ACTacceptance and commitment therapybody dissatisfactioneating disorders

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Area of Science:

  • Psychology
  • Clinical Psychology
  • Behavioral Therapy

Background:

  • Body dissatisfaction (BD) is a growing global concern linked to negative physical and psychological outcomes, including eating disorders (ED).
  • Effective interventions are needed to reduce BD and prevent associated health issues.
  • Acceptance and Commitment Therapy (ACT) has shown potential for body image and weight concerns, but its efficacy for BD requires further investigation.

Purpose of the Study:

  • To systematically review and meta-analyze the existing data on the effectiveness of Acceptance and Commitment Therapy (ACT) in reducing body dissatisfaction (BD).
  • To evaluate ACT's efficacy in individuals with and without diagnosed eating disorders (ED).

Main Methods:

  • A systematic review and meta-analysis of 12 studies involving 825 participants (741 analyzed) using individual, group, or online self-help ACT interventions for BD.
  • Risk of bias was assessed, with a majority of studies (75%) found to have low to medium risk.
  • The mean dropout rate across ACT interventions was 23.51%.

Main Results:

  • ACT demonstrated significant efficacy in decreasing BD compared to control groups, with a medium effect size (g = 0.556).
  • The strongest effects were observed in subgroups of participants at high risk for EDs (g = 0.631) and those using online self-help ACT (g = 0.563).

Conclusions:

  • Acceptance and Commitment Therapy (ACT) is an efficacious treatment for reducing body dissatisfaction (BD), particularly for high-risk individuals and through online self-help formats.
  • ACT holds potential as a preventive measure against eating disorders (ED) and as an adjunct to existing ED treatments.
  • Further large-scale, diverse international research is recommended to confirm these findings and explore broader applications.