The effect of 5-hydroxytryptophan, a serotonin precursor, on adults with high levels of Attention Deficit Hyperactivity Disorder traits: A randomised, controlled trial.

PLoS One · 2026 · PMC13189352 · PMID 42160304

Europe PMC DOI

hedged sentence

0.0580

closest p · 1.2× alpha

0.0580

boldest claim

The sentences

approaching significancep = 0.058so close (0.05 < p ≤ 0.1)

Standard deviation in reaction time was approaching significance in the auditory trials (Low (M = 165.05, SD = 20.20), High (M = 171.85, SD = 17.14), t(110) = 1.919, p = 0.058).

also in 2,640 other papers

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.