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Ian Hussey

@ianhussey.mmmdata.io
3.6K followers 955 following 1.2K posts

Meta-scientist and psychologist. Senior lecturer @unibe.ch‬. Chief recommender @error.reviews. "Jumped up punk who hasn't earned his stripes." All views a product of my learning history. If behaviorism did not exist, it would be necessary to invent it.

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Reposted by Ian Hussey
Collabra: Psychology @collabrapsychology.bsky.social · 29/09/2026
A Systematic Literature Review of Causal Mediation Analysis in Social Psychology, from @jiwoo-kim.bsky.social and @felixthoemmes.bsky.social doi.org/10.1525/coll...
doi.org
A Systematic Literature Review of Causal Mediation Analysis in Social Psychology
Mediation analysis has been widely used in social psychology to investigate the mechanisms linking independent and dependent variables. However, conducting a proper mediation analysis is challenging, ...
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Reposted by Ian Hussey
Julia M. Rohrer @dingdingpeng.the100.ci · 14/09/2026
Did you know that there’s only a single letter separating an “idionomic clinical workflow” from an “idiotnomic clinical workflow”? I haven’t managed to write my screed about cluster analysis yet, here’s another blog post in the meantime: www.the100.ci/2024/10/28/i...
the100.ci
Idiographic Approaches in Psychology: Hold your horses
There have been persistent calls spurring psychologists to do more “idiographic” research, starting even before Peter Molenaar’s “Manifesto on Psychology as Idiographic Science”, which is already 20 y...
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Ian Hussey @ianhussey.mmmdata.io · 29/09/2026
Hayes has been banging this drum about idionomic analyses for 6+ years, with folk like @jamiecummins.bsky.social pointing out that its reinventing-the-wheel-but-worse for just as long. My experience is that the ACT community is insufficiently interested and aware of existing methods+stats work.
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Jamie Cummins @jamiecummins.bsky.social · 28/09/2026
My lukewarm take is that when people disagree about whether LLMs can do X (be it reasoning, creativity, etc), the substantive disagreement is really about what X means, rather than about LLMs themselves. Aka Wittgenstein was right
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Martin Plöderl @ploederl.bsky.social · 12/09/2026
This ketamine study on bipolar depression reported substantial effects. Interestingly, the primary outcome was changed from 2w to 4w after start of recruitment, and one secondary outcome (MADRS suic item) was withdrawn. Unfortunately, no access to PDF jamanetwork.com/journals/jam...
jamanetwork.com
Serial Ketamine Infusions for Treatment-Resistant Bipolar Depression
The Ket-BD randomized clinical trial evaluates the efficacy, safety, and tolerability of adjunctive intravenous ketamine compared with midazolam for treatment-resistant bipolar I or II depression.
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Ian Hussey @ianhussey.mmmdata.io · 28/09/2026
Germany has cancelled funding for the German Cochrane Foundation. Bad news all around. Cochrane’s benefit to cost ratio is huge. @cochrane.org www.sueddeutsche.de/politik/wark...
sueddeutsche.de
Bund streicht renommierter Cochrane-Stiftung die Förderung
Die Cochrane-Stiftung, die seit Jahren die Nutzen medizinischer Therapien untersucht, soll künftig nicht mehr staatlich gefördert werden.
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Max Kozlov @maxkozlov.bsky.social · 25/09/2026
SCOOP: Top researchers at Columbia, Stanford, and others thought they were elected to elite scientific societies alongside Nobel laureates. The catch? The organizations are a sham. I spent the last month diving deep into a massive academic scam spanning continents, for @nature.com
nature.com
Exclusive: Sham scientific societies are misleading star researchers
A Nature investigation reveals a network of organizations that have been building their ranks through deceptive practices.
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Institute for Replication @i4replication.bsky.social · 25/09/2026
Reproducibility depends heavily on where you start. From authors' final analysis data: ✅: 58.2% fully reproducible 🟡: 32.8% partially reproducible ❌: 9.0% not reproducible From raw data: ✅: 28.4% fully reproducible 🟡: 34.3% partially reproducible ❌: 37.3% not reproducible
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Vera Wilde @verawil.de · 25/09/2026
Applying this to a Cochrane review I've critiqued: Lenells et al. 2025, breastfeeding support to prevent postpartum depression. Ten RCTs; its one "may prevent" finding rests on a single small trial. Pre-registering an INSPECT-SR audit plus re-pooled analysis. wildetruth.substack.com/p/cochranes-...
wildetruth.substack.com
Cochrane's New Breastfeeding-Depression Review Misrepresents the Evidence
Cochrane said they'd ask me to review it before publication; they didn't, published it today, and it's worse than I feared
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Jack Wilkinson @jdwilko.bsky.social · 24/09/2026
The integrity of evidence synthesis is threatened by problematic randomised controlled trials. These may be fraudulent, or subject to critical errors. INSPECT-SR is a tool to assess trustworthiness of RCTs - out today: www.bmj.com/content/394/...
bmj.com
INSPECT-SR tool for assessing trustworthiness of randomised controlled trials
The integrity of evidence synthesis is threatened by problematic randomised controlled trials, where there are serious concerns about the trustworthiness of the data or findings. Such concerns could b...
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Sabrina Norwood @sabrinanorwood.bsky.social · 25/09/2026
I was involved in this! It was a cool learning experience and I got to work with a lovely team of researchers also interested in replication🤓
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Jack Wilkinson @jdwilko.bsky.social · 25/09/2026
Next INSPECT-SR online training workshop is November 3rd, 2-4pm GMT/UTC+0. Free, book here: www.trybooking.com/uk/HAMZ
trybooking.com
Introduction to INSPECT-SR Training Workshop November 2026
An introductory 2-hour online workshop will introduce participants to the INSPECT-SR tool for assessing trustworthiness of randomised controlled trial
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Ian Hussey @ianhussey.mmmdata.io · 25/09/2026
"Systematic reviews are only as credible as the studies they include" INSPECT-SR was published yesterday, giving concrete guidance on how to exclude untrustworthy studies. Cochrane's statement: www.cochrane.org/about-us/new... Article: www.cochrane.org/about-us/new... Guidance: inspect-sr.com
cochrane.org
New tool helps researchers spot problematic trials before they distort evidence | Cochrane
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Ian Hussey @ianhussey.mmmdata.io · 24/09/2026
I disagree
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Jamie Cummins @jamiecummins.bsky.social · 24/09/2026
I sincerely hope this paper will be seen as a turning point in how the medical sciences think and approach the issue of trustworthiness assessment (and I hope the social sciences follow suit!). Congrats to @jdwilko.bsky.social and colleagues (incl. @ianhussey.mmmdata.io and @lhdjung.bsky.social)!
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The Cochrane Collaboration @cochrane.org · 24/09/2026
INSPECT-SR – a tool for assessing the trustworthiness of randomized controlled trials – has been published today in @bmj.com, giving researchers a structured way to identify problematic studies before they're included in systematic reviews. 🔗 www.cochrane.org/about-us/new... #ResearchIntegrity
“Systematic reviews are only as credible as the studies they include.” — phrased as a Cochrane senior research integrity editor; a magnifying glass rests on stacked papers in the background to emphasize careful scrutiny of research.
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Jamie Cummins @jamiecummins.bsky.social · 23/09/2026
We just published a new paper (led by Love von Schreeb) demonstrating how large language models can be used to link published results to trial registrations with very high accuracy! Now out in Journal of Clinical Epidemiology - check it out: www.jclinepi.com/article/S089...
jclinepi.com
TrialScout links published results to trial registrations using a large language model
Multiple stakeholders need to locate results of registered clinical trials but frequently struggle to find them. Summary results of clinical trials are often not published in trial registries, and pub...
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moin syed @syeducation.bsky.social · 22/09/2026
The paper was led by the excellent doctoral student Abby Person, who has a hilariously fake-sounding name when using her first and middle initials with her last name.
Abby Person as A.I. Person
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Ian Hussey @ianhussey.mmmdata.io · 14/09/2026
Retractionwatch coverage of the retraction @grinschglsandra.bsky.social @malte.the100.ci @jamiecummins.bsky.social retractionwatch.com/2026/09/14/a...
retractionwatch.com
CEO of AI company loses paper on cognitive impact of generative AI
A psychology journal has retracted a paper on how using generative AI can affect confidence in work tasks after its sole author refused to share data with the editors.  The April paper, publis…
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Sandra Grinschgl, (she/her) @grinschglsandra.bsky.social · 13/09/2026
Happy Sunday morning! This article was finally retracted: psycnet.apa.org/fulltext/202... Unfortunately the author continues as is - no accountability. Curious if we will see more sloppy work from her published in Psych journals soon-ish 🧐
psycnet.apa.org
APA PsycNet
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Brian Nosek @briannosek.bsky.social · 12/09/2026
In totally unrelated news www.newsobserver.com/news/local/e...
newsobserver.com
Duke prof with Epstein ties and research retractions runs for office in Israel
He’s declared candidacy in the country’s small Pirate Party and appeared at the Israeli legislature on Monday sporting a pirate hat.
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Brian Nosek @briannosek.bsky.social · 12/09/2026
The cover-up is always worse than the crime? Harvard's latest filing says that Gino manipulated a file to cover-up fabrication, hid the laptop used to do it during the discovery process, and did more [redacted] destruction of evidence after being compelled by the court to share the laptop.
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Julia M. Rohrer @dingdingpeng.the100.ci · 13/09/2026
MFW the work of a ”global keynote speaker on AI & Neuroscience” turns out to be AI slop all the way down
static.klipy.com
Surprised Pikachu Meme
Alt: Surprised Pikachu Meme
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Ian Hussey @ianhussey.mmmdata.io · 13/09/2026
Article now retracted. Retraction notice focuses on data sharing, but doesn't mention - the ethics review body is the author's own company - the tech used to to collect the data by intercepting users' LLM prompts does not exist ht @grinschglsandra.bsky.social psycnet.apa.org/fulltext/202...
psycnet.apa.org
APA PsycNet
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Gordon Hodson @gordonhodsonphd.bsky.social · 03/09/2026
#AcademicSky #PsychSciSky #MetaScience Article worth reading, & sharing w/ your student researchers. Can't get this out of my head: "Bishop’s law: The better designed a study is, the more likely it is to obtain a null result" journals.sagepub.com/doi/10.1177/... Meimoun & @lakens.bsky.social
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Sabrina Norwood @sabrinanorwood.bsky.social · 03/09/2026
Here’s a video showing how it looks for the user! With example survey questions at open and close
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Ian Hussey @ianhussey.mmmdata.io · 03/09/2026
turnstile-app.com
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Reposted by Ian Hussey
Sabrina Norwood @sabrinanorwood.bsky.social · 02/09/2026
🚨 New preprint: In this paper we make the case for measuring social media use at the level of naturally occurring sessions (i.e., beginning when the app/site is opened and ending when it is closed). Across 7 days and 161 participants this gave us nearly 4,000 paired sessions of use 🧵
Depicts the data collection process. 1) participant opens TikTok, 2) open survey is prompted, 3) participant uses TikTok as normal, 4) participant closes TikTok, 5) close survey is prompted
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Reposted by Ian Hussey
Eric Schares @eschares.bsky.social · 31/08/2026
🚨Update: Our analysis of global APC expenditure has now been expanded to cover more publishers (7 -> 14) and more years (2019-2025). We estimate $15B in APCs paid over seven years, $3.7B in 2025 alone. Elsevier crosses the $1B threshold by itself in 2025. arxiv.org/abs/2608.16322 #ScholComm
Line chart showing 5 biggest publishers from 2019-2025
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Data Colada @datacolada.bsky.social · 31/08/2026
An influential paper by Ariely & Wertenbroch (2002) reported two studies with tampered data. Post 1 of 2. datacolada.org/138
datacolada.org
[138] Artificial Deadlines (Part 1): Evidence of Fraud in an Influential Study About Procrastination
A new paper in Psychological Science (.htm) reports a failure to replicate Study 2 of Ariely and Wertenbroch’s influential article entitled, “Procrastination, Deadlines, and Performance: Self-Contr…
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Cameron Patrick @cameronpat.bsky.social · 28/08/2026
Welcome to Bluesky. Please familiarise yourself with the following to understand the range of opinions it is acceptable to hold.
portrait of Reverend Thomas Bayescover of Bayesian Data Analysis (Third Edition)cover of Statistical Rethinkingcover of The Book of Why
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Nick Brown @steamtraen.eu · 25/08/2026
What are some examples of *non-fraudulent* major errors in scientific papers that had major consequences, perhaps after taking a long time to be corrected?
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Ian Hussey @ianhussey.mmmdata.io · 20/08/2026
Could you check if you can see our website without errors/warning and let me know if not? We moved the INSPECT-SR guidance website from inspect.sr to inspect-sr.com because some networks were blocking the somewhat obscure .sr domain. Oddly, I have a report that the latter is throwing warnings too.
inspect-sr.com
INSPECT-SR Guidance
INveStigating ProblEmatic Clinical Trials in Systematic Reviews
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Sabrina Norwood @sabrinanorwood.bsky.social · 19/08/2026
I’m still gathering papers, so this is a call to my social media research colleagues 📣: if there’s a paper you find especially interesting, informative, or thought-provoking (yours or someone else’s) please pop it in the comments or email me sabrina.norwood@unibe.ch!
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Society for the Improvement of Psychological Science (SIPS) @improvingpsych.org · 17/08/2026
Congratulations to the project “RegCheck,” which received🏆2026 SIPS commendation! RegCheck is a tool that makes it easier and quicker for researchers to compare published papers with their associated study registrations. regcheck.app
regcheck.app
RegCheck
RegCheck is an AI tool to compare preregistrations with papers instantly.
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Ian Hussey @ianhussey.mmmdata.io · 14/08/2026
Some firewalls and networks didn't like inspect.sr, so now inspect-sr.com also points to the same site. Thanks to @steamtraen.eu and others for feedback.
inspect-sr.com
INSPECT-SR Guidance
INveStigating ProblEmatic Clinical Trials in Systematic Reviews
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Brendan Nyhan @brendannyhan.bsky.social · 14/08/2026
See also d'Urso et al. www.cambridge.org/core/journal... and prior work by Clifford and coauthors www.cambridge.org/core/journal... onlinelibrary.wiley.com/doi/full/10.... Pre-treatment measures are fine (cc: R2). Contrary to 90s lore, 𝗆̶𝗈̶𝗇̶𝖾̶𝗒̶ priming ain't a thing.
cambridge.org
Where to place sensitive questions? Experiments on survey response order and measures of discriminatory attitudes | Political Science Research and Methods | Cambridge Core
Where to place sensitive questions? Experiments on survey response order and measures of discriminatory attitudes
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Ian Hussey @ianhussey.mmmdata.io · 14/08/2026
I’ve been told for years that it’s legally and ethically impossible to share medical RCT data. In 2024, the BMJ made sharing anonymised data mandatory, and now lots* of folk do it. Interesting how the barriers evaporated like that, isn’t it? *not everyone, compliance problems exist.
medrxiv.org
Availability of clinical trial individual patient data in the BMJ before and after adoption of a stringent data-sharing policy, compared with recent rates at other major medical journals
Background In 2024, the BMJ updated its data-sharing policy for clinical trials, requiring open deposit of deidentified individual participant data (IPD) before publication. We considered whether data...
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Jack Wilkinson @jdwilko.bsky.social · 13/08/2026
There’s a scene in Succession after Tom has been put in charge of Cruises, and he goes to Ken to make him aware of the serious problems at the department. And Ken is like ‘I do not want to know about this. It is your job to make sure I don’t find out.’ A lot of PIs are like this.
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Ian Hussey @ianhussey.mmmdata.io · 13/08/2026
Any suggestions for semi-popular online chi-square calculators? Sometimes less experienced people use them. To validate my {recalc} package, I'm reverse engineering them to make sure the package accommodate their results, as long as they're correct and sane. These are the ones I have already.
* https://www.statscalculators.com/ 
* https://www.statskingdom.com/
* https://www.omnicalculator.com/statistics
* https://www.statulator.com/
* https://www.danielsoper.com/statcalc/default.aspx
* https://statisticscalculators.com/
* https://statpages.info/
* https://numiqo.com/statistics-calculator/descriptive-statistics
* https://www.standarddeviationcalculator.io/chi-square-calculator
* https://www.socscistatistics.com/tests/chisquare/
* https://www.medcalc.org/en/calc/chisquared-2way.php
* https://www.socscistatistics.com/tests/chisquare2/calculator/
* https://biomath.med.uth.gr/statistics/chi_square.html
* https://www.appinio.com/en/tools/chi-square-calculator
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Brian Nosek @briannosek.bsky.social · 11/08/2026
Over the next several months, we will phase out some popular OSF features. These changes do not affect current public content, which remains safe and accessible. We have prepared support material to help users adapt. I am very sorry for the disruption to your work. Please read this post for details.
cos.io
OSF Changes | Center for Open Science
We are preparing substantial changes to OSF that will reduce its functionality, focus OSF on its unique strengths, and move toward an integrated model with complementary services. As part of that shif...
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Andrew Przybylski @shuhbillskee.bsky.social · 31/07/2026
The first official data on the effectiveness of Australia's social media ban is out. Nothing unexpected, but it's worth reading. www.esafety.gov.au/research/soc...
The Office meme of two images from corporate comparing two plots from esafety data on the Australia social media ban.
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Sabrina Norwood @sabrinanorwood.bsky.social · 05/08/2026
Are you interested in smartphone interventions?📱 We are too. Specifically we were interested in increasing retention in a digital friction intervention. Let me tell you about our new preprint (1/n) with @dgruning.bsky.social @frederik.riedel.wtf @malte.the100.ci using one sec
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Tobias Dienlin @tobiasdienlin.com · 04/08/2026
This fall semester, there's a cool lecture series at UZH titled "Fake Science". Presenters include @yesuncomm.bsky.social, @ianhussey.mmmdata.io and @heldleonhard.bsky.social. Takes place every second Tuesday at 6.15 pm, open to the public. More information: www.uzh.ch/de/events/rv...
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Ian Hussey @ianhussey.mmmdata.io · 03/08/2026
New Jingle assessment: we show that the "Perspective Taking Protocol" has very poor reliability and near-zero convergent validity with other nominal measures of emotional and spatial perspective taking, empathy, and theory of mind. w/ @malte.the100.ci
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Jamie Cummins @jamiecummins.bsky.social · 29/07/2026
New paper (led by Xiangji Ying) showing LLMs can achieve high accuracy in detecting changes in outcomes across registrations versions. Thrilled to have been a small part of this great work. Check it out below!
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Amanda Kay Montoya @akmontoya.bsky.social · 21/07/2026
Have you ever #preregistered a #psychometric evaluation of a measure? We’re looking for examples! Shameless self-promotion encouraged! Or if you found one you really liked as an example, send it my way! #OpenScience #measurement
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Jamie Cummins @jamiecummins.bsky.social · 21/07/2026
RegCheck ( regcheck.app) has received a Commendation from the Society for Improving Psychological Science! You can check the other awardees below too:
regcheck.app
RegCheck
RegCheck is an AI tool to compare preregistrations with papers instantly.
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Julia M. Rohrer @dingdingpeng.the100.ci · 21/07/2026
Sobering: initial trials with huge effect, large follow-up trial showing no evidence for an effect. But practice is already locked in and criticism is defused by pointing to random effects meta-analyses which are necessarily dominated by the initial trials. polypharmacy.substack.com/p/we-should-...
polypharmacy.substack.com
We should stop running clinical trials that cannot change practice
The case of prazosin for PTSD nightmares and the PACT trial
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Jamie Cummins @jamiecummins.bsky.social · 20/07/2026
There are still a few days to apply to work with me and @malte.the100.ci as a PhD or postdoc on the development and evaluation of RegCheck. Help us research whether RegCheck works in practice in helping to reduce preregistration-paper discrepancies. Apply below!
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