The effect of expressive writing intervention on psychological and physical health outcomes in cancer patients--a systematic review and meta-analysis.

Although all planned comparisons with meta‐ANOVA's failed to reach statistical significance, they suggested that studies using non‐writing controls had larger effects ( g = 0.12) than studies with active (neutral) writing control (0.03), studies of patients with other cancers had larger effects (0.08) than studies with breast cancer patients (0.001), studies using a lab‐based setting had larger effects (0.12) than home‐based studies (0.04), and studies with four writing sessions (0.10) showed larger effects than studies with three sessions (−0.02).

also in 6,035 other papers

Likewise, when exploring the association between study quality ratings and ESs, the associations were small and did not reach statistical significance (coefficient = −0.008 to 0.03; range of p : 0.350–0.775).

also in 111,027 other papers