Placebo Effect of Caffeine on Substrate Oxidation during Exercise.

Nutrients · 2021 · PMC7997444 · PMID 33673567

Europe PMC DOI

hedged sentence

0.1890

closest p · 3.8× alpha

0.1890

boldest claim

The sentences

did not reach statistical significancep = 0.189not close (p > 0.1)

There were main effects of substance (F = 5.72, p = 0.008) and exercise intensity (F = 35.95, p < 0.001) in the rating of perceived exertion during exercise, although the interaction between these two factors did not reach statistical significance (F = 1.56, p = 0.189).

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