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Posts by Leonhard Held

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A medical journal says the case reports it has published for 25 years are, in fact, fiction A Canadian journal has issued corrections on 138 case reports it published over the last 25 years to add a disclaimer: The cases described are fictional. Paediatrics & Child Health, the journal…

I find it hard to be shocked by such admissions, but this one is pretty intense: A medical journal says the case reports it has published for 25 years are, in fact, fiction via @katetravis.bsky.social retractionwatch.com/2026/03/03/c...

1 month ago 4 2 0 0
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Openness means more than access. That's why we encourage submissions of Replication Studies.

Learn about publishing your replication study with us in our author guide: buff.ly/rcI0oAY

2 months ago 12 5 0 0
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Our SwissRN Academy offers a free "Early Career Reviewer Workshop" at the University of Bern. Early career researchers will gain valuable experience in scientific peer review.
Date: September 11, 2025 (10:00 - 16:00)
Registration: Register by August 25 via forms.office.com/e/V3QEAFbN84

8 months ago 3 1 0 0
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🇨🇭🇪🇺 Just Published in Royal Society Open Science!

A scoping review on metrics to quantify reproducibility:
royalsocietypublishing.org/doi/10.1098/...

Ever conducted a replication and pondered when/how to conclude if it was (un)successful?
We have just the paper for you (led by Rachel Heyard)! 1/14

9 months ago 47 18 1 2
Home | consort-spirit.org

🎉 Big news for clinical research! SPIRIT2025 just dropped, adding an Open Science section & a new Item No. 6 on data sharing. This pushes transparency in trials—where & how de-identified data, code, & materials will be accessible. Check it: www.consort-spirit.org #OpenScience #ClinicalTrials

11 months ago 5 1 2 1

Perplexing!

11 months ago 2 0 0 0
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Plenty of tortured phrases (arxiv.org/abs/2107.0...) in this #IEEE paper. ieeexplore.ieee.org/...

My pubpeer report: pubpeer.com/publicat...

11 months ago 3 4 0 1
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When Should Data and Code be Made Available? Abstract. Sharing data and code as part of a research publication is crucial for ensuring the computational reproducibility of scientific work. But sharing

Fully agree! But it is also very important that the code and data are shared at the review stage, so that referees can reproduce the results and see what is actually happening. Otherwise we have the "inverse problem" discussed here
academic.oup.com/jrssig/artic...

11 months ago 2 0 0 0
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UHaveIntegrity: A Strengths-Based Approach to Academic Integrity at the University of Calgary The #UHaveIntegrity campaign at the University of Calgary reframes academic integrity by focusing on students’ existing ethical foundations rather than viewing them as potential cheaters. It …

UHaveIntegrity: A Strengths-Based Approach to Academic Integrity at the University of Calgary buff.ly/yRXDrNS

11 months ago 1 1 0 0
crossref webinar

crossref webinar

Transparency in research takes another step forward.

Join our April 2, 2025 webinar to explore Retraction Watch data in Crossref. Find out how it works and why it matters.

Register: https://tinyurl.com/tbf8w6u7

#Crossref #publishing #research

1 year ago 22 11 0 0

Hey there! We are ReproducibiliTea Geneva👋
As part of the @reproducibilitea.org community, we meet regularly at the University of Geneva to discuss all things open and reproducible science, in a relaxed atmosphere over a cup of tea🫖📚! Feel free to get in touch!

1 year ago 9 5 0 0
Figure 2B from the paper in question, showing several Western blot panels (they look like light grey rectangles, some of which have a fat or thinner black horizontal stripe in the middle). I have marked some of these rectangles with boxes of the same color, highlighting those that look unexpectedly similar.

Figure 2B from the paper in question, showing several Western blot panels (they look like light grey rectangles, some of which have a fat or thinner black horizontal stripe in the middle). I have marked some of these rectangles with boxes of the same color, highlighting those that look unexpectedly similar.

Figure panels from Figure S2, from the supplemental. On the left a blot or gel, showing dark background with white bands. On the right a more classical western blots showing light grey background with dark grey horizontal stripes. In both panels I have highlighted lanes that look remarkably similar, with colored boxes.

Figure panels from Figure S2, from the supplemental. On the left a blot or gel, showing dark background with white bands. On the right a more classical western blots showing light grey background with dark grey horizontal stripes. In both panels I have highlighted lanes that look remarkably similar, with colored boxes.

Retraction @plosone.org - paper with authors from Ghent University.
"All authors either did not respond directly or could not be reached."
Does any journalist in Belgium want to write about this? It's so strange that none of the authors responded.
pubpeer.com/publications...

1 year ago 46 7 3 0
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Scientists Take on Scholarly Journals With Walkouts, Scathing Letters and Delistings Some scientists say the for-profit industry’s fast growth makes it harder to police fraud and low-quality work.

🚨Huge issue!

Needed: Quality > Quantity

Scientists see signs of trouble with quality at the biggest scientific journals www.wsj.com/business/med...

"Some of the work that has been published is so seriously flawed that it is not credible that it underwent any meaningful form of peer review."

1 year ago 49 19 0 1

@evievergauwe.bsky.social @hannowuerbel.bsky.social

1 year ago 1 0 0 0
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Truth and trust are pillars for research Horizons - Issue 144

Very pleased to see #reproducibility #transparency #integrity #openscience emphasized to ensure trust in science in Switzerland and beyond

All part of the @swissrn.bsky.social strategy:
www.swissrn.org/contents/com...

Truth and trust are pillars for research www.horizons-mag.ch/2025/03/06/t...

1 year ago 6 0 1 0
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2024 Einstein Foundation Award Winners Colloquium YouTube video by Einstein Foundation Berlin

🕓Today at 4pm (CET): Join the 2024 #EinsteinFoundationAward winners' colloquium on scientific integrity with @elisabethbik.bsky.social, @brandonstell.bsky.social from @pubpeer.com, and @helenajambor.bsky.social and Christopher Schmied from PixelQuality via Livestream: www.youtube.com/live/ZZ5R8CG...

1 year ago 10 4 0 2

thanks for the reminder. I just deactivated my Twitter account.

1 year ago 1 0 0 0
Sage Journals: Discover world-class research Subscription and open access journals from Sage, the world's leading independent academic publisher.

Sometimes it would help if English speaking academics understand German. E.g. Liebermeister's Bayesian analysis of the 2x2 table from 1877

www.jameslindlibrary.org/articles/par...

was reinvented by William Thompson (1933, Biometrika) and Patricia Altham (1969, JRSSB)

1 year ago 1 0 0 0

Highly recommended!

1 year ago 1 0 0 0

Welcome to Zurich, Tobias! Looking forward to interact on Open and Reproducible Science

1 year ago 3 1 1 0
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A comparison of combined p-value functions for meta-analysis P-value functions are modern statistical tools that unify effect estimation and hypothesis testing and can provide alternative point and interval estimates compared to standard meta-analysis methods, ...

Tired of fixed effect and random-effects meta-analysis?
Check out our revised manuscript on p-value combination methods for meta-analysis:
arxiv.org/abs/2408.08135

1 year ago 1 0 0 0
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Beyond the two‐trials rule The two-trials rule for drug approval requires “at least two adequate and well-controlled studies, each convincing on its own, to establish effectiveness.” This is usually implemented by requiring tw...

Thanks Judith! Here is the link:

doi.org/10.1002/sim....

1 year ago 0 0 0 0
Plain English with Derek Thompson - Fraud, Scandal, and Failure in the Fight Against Alzheimer's Disease Listen to Plain English with Derek Thompson - Fraud, Scandal, and Failure in the Fight Against Alzheimer's Disease by The Ringer on Podcast Addict. Why is it so hard to find a cure for Alzheimer’s? A simple answer is that the brain and its disorders are complicated. But as today’s guest, Charles Piller, writes, there’s another, more sinister factor at play. His new book, 'Doctored,' traces an incredible, true story of fraud, arrogance, and tragedy in the quest to cure Alzheimer’s.In the last few years, some of the most

"The most expensive, most widespread example of catastrophic research fraud in the history of modern science?"
Listen to this, "if you love science and you want to see science done well".
podcastaddict.com/plain-englis...

1 year ago 1 0 0 0
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ICYMI: Second paper by Nobel laureate Thomas Südhof retracted Thomas Südhof A 2017 paper coauthored by Nobel laureate Thomas Südhof has been retracted.  The article, “Conditional Deletion of All Neurexins Defines Diversity of Essential Synaptic Organizer…

ICYMI: Second paper by Nobel laureate Thomas Südhof retracted

@retractionwatch.com

retractionwatch.com/2025/02/14/i...

1 year ago 88 22 2 0

The Swiss Reproducibility Network (SwissRN) is now on Bluesky! Make sure to follow
@swissrn.bsky.social

1 year ago 4 5 0 1
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UKRN welcomes eLife and Hidden REF as new stakeholders | UK Reproducibility Network Feb 4, 2025 | News

We’re pleased to join the UK Reproducibility Network (@ukrepro.bsky.social) as a stakeholder in support of a more open, transparent and reproducible research culture. Find out more:

1 year ago 15 6 0 0

Are @zbmed.bsky.social aware of the negative reaction on social media to their just-announced contract with MDPI. There's a great many red flags they seem to have missed, e.g.
deevybee.blogspot.com/2024/08/gues...
deevybee.blogspot.com/2024/02/the-...
+ @hansonmark@bsky.social's account below

1 year ago 80 27 2 3
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Why probability probably doesn’t exist (but it is useful to act like it does) All of statistics and much of science depends on probability — an astonishing achievement, considering no one’s really sure what it is.

Why probability probably doesn’t exist (but it is useful to act like it does) - by D. Spiegelhalter

www.nature.com/articles/d41...

A great article highlighting the subjective nature of uncertainty, particularly relevant to our thinking about the nature of anxiety.

1 year ago 35 11 3 2
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Changes to the classification

Big news from Finnish publication forum. Almost all MDPI and Frontiers journals will be downgraded to level 0 and thus are not considered as properly peer reviewed trustworthy scientific journals.
julkaisufoorumi.fi/en/news/chan...

1 year ago 404 276 18 45
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ICYMI from earlier in 2024:

Reporting on data sharing: executive position of the EQUATOR Network published in the @bmj.com

www.bmj.com/content/386/...

#transparency #researchintegrity #datasharing #openscience #codesharing #reproducibility #metascience

1 year ago 4 2 0 0