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the claim

Peer review improves the quality of published research papers.

the verdict
CONTESTED PARTIAL
Recorded sources
3 sources for · 1 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that peer review improves the quality of published research papers?

Partly. A 1997 review of 68 empirical papers states peer review improves quality, and reference sources say it maintains quality standards, but a Cochrane systematic review reports little hard evidence that it improves the quality of published biomedical research. The evidence covers the claim only in part and points both ways.

Verdict: CONTESTED PARTIAL · 3 sources for, 1 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 3
Peer review
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Peer review. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Peer_review

Evidence against · 1
Little evidence for effectiveness of scientific peer review
2003
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Little evidence for effectiveness of scientific peer review. (2003). doi.org. https://doi.org/10.1136/bmj.326.7383.241/a

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More for · 2
Peer review for journals: Evidence on quality control, fairness, and innovation
1997
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Peer review for journals: Evidence on quality control, fairness, and innovation. (1997). doi.org. https://doi.org/10.1007/s11948-997-0017-3

Peer Review in Scientific Publications: Benefits, Critiques, & A Survival Guide -
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Peer Review in Scientific Publications: Benefits, Critiques, & A Survival Guide - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://pmc.ncbi.nlm.nih.gov/articles/PMC4975196/

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