Group-Based Interventions for Posttraumatic Stress Disorder: A Systematic Review and Meta-Analysis of the Role of Trauma Type.

Campbell Syst Rev · 2026 · PMC13424537 · PMID 42539799

Europe PMC DOI

hedged sentence

0.0010

closest p · 0.0× alpha

0.0010

boldest claim

The sentences

highly significantp < .001actually significant

For between-group effects, Q was highly significant, (Q = 252.02, df = 31, p < .001, I 2 = 87.6%).

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