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September 5, 2025Open Access

A longitudinal outcome-wide assessment of the impact of happiness on flourishing: A 2-year cross-national analysis of 22 countries

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Authors

TLTim LomasHarvard UniversityRPR. Noah PadgettHarvard UniversityHKHayami K. KogaHarvard University

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Implication

Longitudinal analysis shows happiness influences flourishing in diverse populations, indicating varying effects globally.

Key Points

  • Happiness significantly affects flourishing across 56 outcomes, highlighting a 0.16 effect size with the flourishing index.
  • The study involved 207,919 participants at wave 1 and 124,776 at wave 2, achieving a 62% retention rate.
  • Using multivariate regression analysis, results demonstrated wide variation in effect sizes by country, with Hong Kong at 0.30.
  • The findings underline the need for further research to understand why happiness impacts flourishing unevenly across nations.

Cite This Study

Lomas et al. (2025) studied this question.

synapsesocial.com/papers/68bb4d2d6d6d5674bcd01752https://doi.org/10.21203/rs.3.rs-7303632/v1
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Also Consider

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  1. 1Positive affect during adolescence and health and well-being in adulthood: An outcome-wide longitudinal approach2024 · 23 citations
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  3. 3Analytic methodology for childhood predictor analyses for wave 1 of the Global Flourishing Study2025 · 31 citations