Evidence · Preprints

Tracking a preprint to publication: a worked example

Evidence › Preprints preprint risk of bias needs a source

v.baptistaTL227 Nov 2025#1

Tracking a preprint to publication: a worked example Writing it up because I had to work it out twice and would rather nobody else did.

A preprint question rather than a question about the finding in it.

The manuscript is on a preprint server, dated, with a version number I have written down. It has not been through review and the authors say so in the header. What I cannot work out is how much weight that leaves it carrying.

I would like the reasoning rather than a rule. "Wait for publication" is not usable when the publication may be two years away and the question is now.

9 likes 8mo

unit_conversionTL3Regular28 Nov 2025#2

Retractions and corrections do not propagate well from preprint servers. A citation that was fine when made can quietly become wrong.

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r.szaboTL228 Nov 2025#3

Coming back to the opening post, because the follow-up matters more than the original answer.

Sample size and pre-registration are checkable in a preprint exactly as in a paper, and they carry the same weight.

If the premise is wrong, everything after it is decoration.

27 likes 8mo

dexa_twice_yearlyTL3Regular28 Nov 2025#4

Seconded. It reads as careful rather than confident, which is the right register.

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s.balogunTL228 Nov 2025#5

Clear enough that I do not think I have a follow-up, which is unusual.

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k.otieno_statsTL3Statistician29 Nov 2025#6

dexa_twice_yearly, post #4: Seconded. It reads as careful rather than confident, which is the right register. Go to post

If you cite a preprint in a maintained document here, the convention is to label it in the sentence and to note the check date. The document review will catch the update.

The claim is narrower than it sounds, and deliberately so.

2 likes in reply to #4 8mo

r.vukovicTL229 Nov 2025#7

I read post #6 twice before replying, because I had assumed the opposite.

Screening on a preprint server is minimal and is not review. It filters obvious problems and nothing more, which is what it is designed to do.

Adding it in case it saves somebody the afternoon it cost me.

0 likes 8mo

tracked_parcelTL2Regular29 Nov 2025#8

On tracking a preprint, the part that usually goes wrong is that the question is asked as though it has one answer. It has a range, and the width of the range is the interesting bit.

If you can post the two or three numbers you are working from, several people here will check the arithmetic rather than argue about the conclusion.

19 likes 8mo

m.guerreroTL229 Nov 2025#9

On post #6 — agreed on the reasoning, with one qualification.

Say it is a preprint in the first line rather than the last. Everything downstream depends on that status and readers arriving from search will not scroll for it.

A guess, clearly labelled as one.

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NHuddlestonTL1Member29 Nov 2025#10

Following this. I have the same question and no better information than the first post.

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l.aguirreTL229 Nov 2025 · edited#11

Version numbers on a preprint server matter. Citing version one of something now on version four is citing a document that has been superseded by its own authors.

It is worth stating the boring hypothesis before the interesting one.

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m.duarteTL230 Nov 2025#12

Worth separating two things that post #8 runs together.

The number people quote for tracking a preprint is a central estimate presented without its interval, and the interval is wide enough that the estimate is nearly uninformative on its own.

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o.vogelTL230 Nov 2025#13

Where numbers change between preprint and published version, the changes are not random. They tend toward a smaller effect and a more carefully hedged claim.

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r.villalobosTL230 Nov 2025#14

s.balogun, post #5: Clear enough that I do not think I have a follow-up, which is unusual. Go to post

A preprint that has been up for two years without appearing in a journal is telling you something, and it is not necessarily that the work is bad.

Somebody will have a better source than mine, and I hope they post it.

4 likes in reply to #5 8mo

g.verhoevenTL230 Nov 2025#15

Where a preprint contradicts a published trial, the prior should favour the trial. Where it extends one, the preprint can be genuinely useful.

I have kept the units in throughout, for the obvious reason.

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r.scholtenTL2Member30 Nov 2025#16

Good question, well framed, and I would like to see it answered properly.

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ar.petrovTL230 Nov 2025#17

v.baptista, post #1: Tracking a preprint to publication: a worked example Writing it up because I had to work it out twice and would rather nobody else did. A preprint question rather than a question about the finding in it. The manuscript is on a preprint server, dated, with a version number I have written down. It has not been through review and the… Go to post

Picking up post #14: that is the part I would want checked first.

What I would check first on tracking a preprint is whether the thing being measured moved or whether the way of measuring it moved. Those look identical in a graph.

1 like in reply to #1 8mo

f.fenwickTL3Regular1 Dec 2025#18

dexa_twice_yearly, post #4: Seconded. It reads as careful rather than confident, which is the right register. Go to post

Filing a mild objection to the consensus on tracking a preprint. Mild because I might be wrong; an objection because nobody has addressed the case that does not fit.

7 likes in reply to #4 8mo

z.vogelTL21 Dec 2025#19

r.scholten, post #16: Good question, well framed, and I would like to see it answered properly. Go to post

Post #18 is right about the mechanism and I think understates the practical bit.

Reading a preprint properly means doing some of the reviewer's job: methods first, then whether the analysis matches the plan, then the conclusion.

24 likes in reply to #16 8mo

diluent_watchTL2Member1 Dec 2025#20

Always label it as a preprint in any discussion. A preprint is not a published trial and it is not settled knowledge. Use it for hypothesis generation and for understanding emerging evidence, not for drawing definitive conclusions.

The interesting part of this is the exception, and I do not understand the exception.

0 likes 8mo

e.lehtinenTL21 Dec 2025#21

r.scholten, post #16: Good question, well framed, and I would like to see it answered properly. Go to post

Understood. Thank you for being specific about the limits of it.

4 likes in reply to #16 8mo

h.ferrariTL21 Dec 2025#22

A preprint reporting a null result is more likely to stay a preprint, which biases the published literature and makes preprint servers more valuable rather than less.

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t.pereiraTL21 Dec 2025#23

Building anything durable on a preprint means committing to rebuild it. That is a reasonable trade for a fast-moving question and it should be an explicit one.

I am confident about the direction and much less about the magnitude.

0 likes 8mo

b.aaltoTL21 Dec 2025#24

Picking up post #22: that is the part I would want checked first.

A preprint with the data and code attached is frequently more checkable than a published paper without them. Reviewed and reproducible are different properties.

Caveat: everything above assumes the paperwork is what it says it is.

17 likes 8mo

f.fenwickTL3Regular2 Dec 2025#25

h.ferrari, post #22: A preprint reporting a null result is more likely to stay a preprint, which biases the published literature and makes preprint servers more valuable rather than less. Go to post

Peer review catches some things reliably — missing methods, unsupported conclusions, statistical mistakes of the obvious kind — and misses others routinely. Knowing which is which makes preprint reading easier.

7 likes in reply to #22 8mo

k.kimaniTL22 Dec 2025#26

Collapsed as off-topic by two members at trust level 3 or above

Thank you for taking the time. That was more work than a reply usually is.

r.friskTL22 Dec 2025#27

I read post #25 twice before replying, because I had assumed the opposite.

Author track record is a weak signal and it is a signal. A group that has published carefully for years is a different prior from an unknown one.

Flagging that the sources on this are thinner than the confidence in the thread suggests.

0 likes 8mo

k.chukwuTL22 Dec 2025#28

This follows post #25 rather than contradicting it.

Tracking a preprint: I have looked for the primary source twice and failed twice. Either it does not exist or it is somewhere I do not know to look, and I would like to know which.

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n.kuuselaTL22 Dec 2025#29

Tracking a preprint is a good example of a question where the honest answer is boring and the interesting answers are unsupported. I would go with boring.

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PharmNotes_WhitfieldTL4Pharmacist2 Dec 2025#30

l.aguirre, post #11: Version numbers on a preprint server matter. Citing version one of something now on version four is citing a document that has been superseded by its own authors. It is worth stating the boring hypothesis before the interesting one. Go to post

Post #29 answers the question as asked. The question underneath it is different.

How to cite a preprint: author last name, first initial, et al. Title. Server name [preprint]. Posted date. Doi. Include the server name and note that it is a preprint.

The conclusion is tentative; the arithmetic underneath it is not.

0 likes in reply to #11 8mo

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