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Meta-analysis of randomized controlled trials examining social comparison as a behaviour change technique across the behavioural sciences

Author

Listed:
  • Thole H. Hoppen

    (University of Münster)

  • Rieke M. Cuno

    (University of Münster)

  • Janna Nelson

    (University of Münster)

  • Frederike Lemmel

    (University of Münster)

  • Pascal Schlechter

    (University of Münster)

  • Nexhmedin Morina

    (University of Münster
    New School for Social Research)

Abstract

Research on social comparison as a behaviour change technique (SC-BCT) has increased substantially. We conducted a random-effects meta-analysis of randomized controlled trials investigating SC-BCTs across the behavioural sciences (PROSPERO: CRD42022343154). We searched MEDLINE, PsycINFO and Web of Science from inception to January 2024. Seventy-nine randomized controlled trials (N = 1,356,521) investigating effects on behaviours related to climate change mitigation, health, performance and service were included. In the short term (mean 3.7 months post-intervention), SC-BCTs produced small effects relative to both passive (Hedges’ g = 0.17; 95% confidence interval, 0.11–0.23; k = 37; P

Suggested Citation

  • Thole H. Hoppen & Rieke M. Cuno & Janna Nelson & Frederike Lemmel & Pascal Schlechter & Nexhmedin Morina, 2025. "Meta-analysis of randomized controlled trials examining social comparison as a behaviour change technique across the behavioural sciences," Nature Human Behaviour, Nature, vol. 9(8), pages 1595-1612, August.
    • Handle: RePEc:nat:nathum:v:9:y:2025:i:8:d:10.1038_s41562-025-02209-2
    DOI: 10.1038/s41562-025-02209-2
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