A meta-analysis of the effectiveness of gratitude interventions on well-being across cultures.

Proc Natl Acad Sci U S A · 2025 · PMC12280877 · PMID 40627390

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marginally significantno p-value reported

Both the slopes in the PET ( b = 0.41, SE = 0.23, P = 0.074) and PEESE ( b = 0.81, SE = 0.47, P = 0.087) regression models were marginally significant, which may raise concerns about publication bias and/or small-sample bias.

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