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I don't see the purpose of this article. Can someone help enlighten me?

Smaller trials would typically rejected at a higher rate as would clear biases.

Peer review is working.

It provides support that preprint studies can provide robust results before peer review is completed, but we should be more cautious about preprints with small samples and biases. May seem obvious, but it’s important to verify preprints are useful.

A lot of people will write off all preprints. But in emergency situations, the peer review wait time can delay policy and research, so preprints are an important source of research results.

thanks. that makes sense

The possibility of bias is the same, emergency or not. Preprint shouldn't be used to make policy. Incentives should be given to peer review important preprints.

while I get what you're saying, sometimes policy needs to happen prior to publication. pre publication can serve a valuable purpose while waiting on review