Visual Acuity Testing: Feedback Affects Neither Outcome nor Reproducibility, but Leaves Participants Happier.

PLoS One · 2016 · PMC4732607 · PMID 26824693

Europe PMC DOI

hedged sentence

0.0000

closest p · 0.0× alpha

0.0000

boldest claim

The sentences

highly significantp<10 −7actually significant

The Kruskal-Wallis rank sum test revealed a highly significant effect of feedback on rating (p<10 −7 ).

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