A placebo-controlled study of the effects of ayahuasca, set and setting on mental health of participants in ayahuasca group retreats.

Psychopharmacology (Berl) · 2021 · PMC8233273 · PMID 33694031

Europe PMC DOI

hedged sentences

0.0530

closest p · 1.1× alpha

0.0530

boldest claim

The sentences

approached significancep = .053so close (0.05 < p ≤ 0.1)

In addition, the interaction between treatment and time approached significance for the DASS-21 depression score ( F 1, 26 = 4.11; p = .053, partial η 2 =0.14), suggesting that the reduction in symptoms of depression was stronger in the placebo group.

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failed to reach significanceno p-value reported

Correlational analysis Correlations between change scores of depression, stress, anxiety, and emotional empathy (to negative stimuli) and EDI or 5D-ASC ratings failed to reach significance across the two groups.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.