Systematic analysis of changes in cannabis use among participants in control conditions of randomised controlled trials.

Addict Behav Rep · 2015 · PMC5845928 · PMID 29531984

Europe PMC DOI

hedged sentence

0.0010

closest p · 0.0× alpha

0.0010

boldest claim

The sentences

highly significantp < .001actually significant

With a random effects model, there was an average change in cannabis use of −.442 SD (CI: −.657 to −.228), which was highly significant ( p < .001).

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