Open Access Meets Discoverability: Citations to Articles Posted to Academia.edu.

PLoS One · 2016 · PMC4757559 · PMID 26886730

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

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practically significantno p-value reported

And, while the instrumental variable analysis of [ 5 ] found evidence of selection bias in open access, they still estimated a statistically and practically significant citation advantage even after controlling for that bias.

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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.