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Jeroen van Baar, PhD

@jeroenvanbaar.nl
143 followers 74 following 57 posts

Interdisciplinary science for a mentally healthy society. Writing a book about uncertainty. Blogging irregularly at: jeroenvanbaar.nl/latest-newsletter. Postdoc @ Columbia Mailman, but views are my own. "Share useful stories."

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Jeroen van Baar, PhD @jeroenvanbaar.nl · 16/04/2025
Great plan! I might take you up on that 😁
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 16/04/2025
Interesting! Please keep me (everyone?) posted on your talk and share a video link if possible, because I'm trying to learn more about causal mediation at the moment. Would like to use it for a study, but only if justifiable... Thanks!
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 31/03/2025
I’d say the opposite. Until tenure it’s one of the most uncertain careers. After tenure the balance between teaching and research depends on annual grant applications. Academics do tend to be uncertainty-intolerant of character, maybe that’s what’s causing the confusion ;)
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Richard Branson @richardbranson.bsky.social · 19/02/2025
Interesting read - 'Conspiracists are about to get a dose of reality' www.thetimes.com/article/b3bb...
thetimes.com
Conspiracists are about to get a dose of reality
Antivaxers, cranks and fantasists thrive in safe, stable societies but the days of consequence-free idiocy may be ending
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Nicholas A. Christakis @nachristakis.bsky.social · 17/02/2025
“Measles vaccination alone is responsible for half a percent of all US income this year, $76.4 billion. That is just from the reduced disease burden, it doesn’t include reduced medical costs.” Via @emollick.bsky.social www.aeaweb.org/articles?id=...
aeaweb.org
The Long-Term Effects of Measles Vaccination on Earnings and Employment
(May 2022) - The measles vaccine was introduced in 1963. Take-up of the vaccine in the United States occurred quickly and universally, leading to reductions in morbidity and mortality. New biological ...
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 05/02/2025
This was a team effort with talented and driven colleagues from multiple countries. Funding was provided by the Swiss Agency for Development and Cooperation, who have long aided economic and social development in Moldova. Nobody is on BlueSky yet, but I'm sure they will be soon. FIN
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 05/02/2025
These data provide input for targeted treatment efforts such as community mental health centers, which have been set up in the country in the last 5 years. Data also suggest that effective prevention of mental ill-health must consider the socioeconomic conditions in which we live.
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 05/02/2025
There are limitations to the work. Data were collected during the covid-19 pandemic and while war already raged in neighboring Ukraine, so they may not generalize to other time periods. The symptom screeners are not clinical interviews. But the study provides good initial data where there were none.
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 05/02/2025
As found worldwide, low-income participants (<2/3 of poverty line, 22% of population) had much worse mental health than high-income (>2x poverty line, 25% of pop.). The low-income group had nearly 2x higher odds of screening for depression, when controlling for education, employment & demographics.
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 05/02/2025
Older adults (56–64y) had more anxiety and lower well-being than younger age groups. This contradicts data from other countries, where older age tends to go with better mental health. Suggests it's not an effect of aging itself but of idiosyncratic socioeconomic factors such as pensions.
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 05/02/2025
We found that women had higher rates of depression symptoms, anxiety symptoms, and loneliness than men. For symptoms of depression and anxiety (internalizing disorders), this is also in line with findings in other countries such as the Netherlands and the United States.
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 05/02/2025
Overall, about 20% of the population screened positive for depression and about 25% for anxiety. This is in line with observations around the same time in other Eastern-European countries. (www.tandfonline.com/doi/full/10....)
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 05/02/2025
We used basic screeners for anxiety and depression (PHQ/GAD-2), for which a validated Romanian version is available. We also asked about socioeconomic living conditions and collected demographics.
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 05/02/2025
New paper. With a big group of colleagues from Moldova and the Netherlands, we ran the first representative mental health survey of the adult population in Moldova. Local interviewer teams went door-to-door in 2022 to include 1826 adults in the study. 🧪 www.sciencedirect.com/science/arti...
sciencedirect.com
Socioeconomic correlates of mental health in Moldova: A nationally representative door-to-door survey
The mental health system in Moldova is transitioning toward a community-based model, which requires data on population mental health. This is the firs…
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Carl T. Bergstrom @carlbergstrom.com · 31/01/2025
This is not business as usual. It’s not just a change in funding priorities going forward; it is the reneging on funding agreements and is profoundly disruptive for even those grants that will be found to be compliant. Meanwhile, trainees who often live paycheck to paycheck are going unpaid.
science.org
EXCLUSIVE: NSF starts vetting all grants to comply with Trump’s orders
Grantee accounts remain frozen, while union accuses NSF of ignoring rules governing peer review
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 30/01/2025
bsky.app/profile/jero...
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 30/01/2025
I wrote about how it feels to be a UnitedHealthcare customer. New research confirms my hunch: broken trust isn't just frustrating, it's a health hazard. 🧪 jeroenvanbaar.substack.com/p/the-hidden...
jeroenvanbaar.substack.com
The Hidden Cost Of Unreliable Insurance
Profit-driven health insurance may irreparably damage what it ought to aid: health.
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Michael Inzlicht @minzlicht.bsky.social · 29/01/2025
Roy Baumeister called ego depletion "one of the most replicable findings in social psychology." As someone who spent 20 years studying it—and ultimately had to admit it wasn't real—I have to respectfully disagree. Here's my perspective of what went so wrong.
open.substack.com
The Collapse of Ego Depletion
Science's Biggest Self-Control Failure
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Don Moynihan @donmoyn.bsky.social · 29/01/2025
NSF grantees - people who have already received their grants based on a previously funded and approved research proposal - are being told to stop any activities related to DEI and accessibility. Call this what it is: government censorship of ongoing research projects. www.opm.gov/policy-data-...
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Christopher Webb @cwebbonline.com · 29/01/2025
The silence from Dems is deafening. We’re exhausted—looking for leadership and starting to feel desperate. Everything feels like it’s slipping away & electeds aren’t acknowledging it, let alone speaking on it. @dougjones.bsky.social sounds like someone who’s actually read the room. More of this!
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 29/01/2025
In all these cases, we could not fathom the outcome when the money was given. The grants probably appeared wasteful at the time. But they were critical to America’s dominance in the world. If you want to live in the light, don’t switch it off.
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 29/01/2025
3) a forerunner of the internet itself, ARPANET, was developed with a grant from the Department of Defense. www.britannica.com/topic/ARPANET
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 29/01/2025
2) the monoclonal antibody treatment Trump received for his covid-19 infection in 2020 was developed by Renegeron with a $611 million grant from the department of Health and Human Services, not to mention all the NIH-funded basic research that made it possible; www.usaspending.gov/award/CONT_A...
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 29/01/2025
1) our beloved AI chatbots only exists because of NSF-funded basic neuroscience research in the 1980s; www.goldengooseaward.org/01awardees/pdp
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 29/01/2025
Now that the leader of the free world has put his boot on the garden hose of knowledge, some might be wondering why we spend our money on research anyway. At the risk of stating the obvious, here are a few examples: 🧪
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 26/01/2025
It’s great for coming up with recipes based on what you have in your fridge. That’s been 80% of my use 🙌🏼
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 24/01/2025
Congrats, looks awesome! I can't wait to read it (really need it right now actually)
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 07/01/2025
Voor de Nederlandse volgers: een hilarisch accurate beschrijving van het ondergaan van een MRI-scan 😁🧪
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Melanie Mitchell @melaniemitchell.bsky.social · 04/01/2025
Shame on the @washingtonpost.com, which at one time was beacon of the free press. anntelnaes.substack.com/p/why-im-qui...
anntelnaes.substack.com
Why I'm quitting the Washington Post
Democracy can't function without a free press
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 01/01/2025
Happy new year my fellow scientific travelers! May 2025 bring you much inspiration, growth, and fun. 🧪
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 30/12/2024
I think if you removed the corrupting incentives, the corruption would stop. It’s not the people, it’s the rules we make for them (or in more colloquial terms: do not hate the player, hate the game)
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 30/12/2024
Shocked by the blatant corruption and greed in UnitedHealthCare’s Medicare Advantage scheme. You won’t believe the bonuses offered to practitioners… Excellent research by @wsj.com. Hope they lift the paywall. For those without access I will blog about this soon. 🧪 www.wsj.com/health/healt...
wsj.com
UnitedHealth’s Army of Doctors Helped It Collect Billions More From Medicare
The biggest Medicare Advantage insurer presented physicians with checklists of potential diagnose.; “I didn’t think I was obese,” one suspicious patient told his doctor.
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Chris Aalberts @chrisaalberts.bsky.social · 23/12/2024
Goede recensie van Omtzigt bij WNL, al mist dat het storend is dat de interviewer en recensent hier ook door elkaar liepen (Nieman dus). www.nrc.nl/nieuws/2024/...
nrc.nl
Tv-recensie | Boven nieuws over Omtzigt had ook zijn uitspraak over strafbaar stellen van bezit Koran kunnen staan
ZAP: Presentator Rick Nieman had gelijk: er zou nog ‘wel een beetje worden doorgepraat’ over het interview – met weglooponderbreking – van NSC-leider Pieter Omtzigt.
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 18/12/2024
Goed nieuws. En mooi dat het door Raad van State is gecheckt.
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 16/12/2024
Has anyone been trying PaperQA2 for automated document/literature review? I would like to exchange notes on how to set it up & evaluate results. 🧪 github.com/Future-House...
github.com
GitHub - Future-House/paper-qa: High accuracy RAG for answering questions from scientific documents with citations
High accuracy RAG for answering questions from scientific documents with citations - Future-House/paper-qa
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 09/12/2024
Did they know for sure the cod would die off? Or were they uncertain?
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 08/12/2024
What’s your best recommended reading on the precautionary principle? I’d like to know more about that for my book project. Thank you in advance.
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 08/12/2024
Many of the ‘systems’ scientists care about, from minds to ecosystems, are so complex that you can’t capture them with deterministic models. How do we deal with this ‘modeling gap’? Perhaps we can learn something from a cautionary fish tale. 🧪🐠 jeroenvanbaar.substack.com/p/a-fish-tal...
jeroenvanbaar.substack.com
A fish tale that slams science
How cod ecology reveals the limitations of science and mathematical modeling.
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 06/12/2024
Hi Monica, could you add me please? I’m a computational cognitive neuroscientist by training and now work in psychiatric epidemiology bridging both fields. Thank you. scholar.google.com/citations?us...
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 06/12/2024
Thanks for adding! Interdisciplinary science for a mentally healthy society 🧪 en.jeroenvanbaar.nl scholar.google.com/citations?us...
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Nicholas A. Christakis @nachristakis.bsky.social · 03/12/2024
A new view on the gut microbiome and the social contagion of health 3quarksdaily.com/3quarksdaily... via @jeroenvanbaar.nl
3quarksdaily.com
A new view on the gut microbiome and the social contagion of health - 3 Quarks Daily
by Jeroen van Baar
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 22/11/2024
As a scientist, I used the Mendeley reference manager nearly every day for the last 12.5 years. Today, finally driven mad by their terrible redesign, I made the switch to Zotero. Migrating took less than an hour and the experience is already endlessly better. AMA 😎
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 21/11/2024
This is a huge insight, very exciting!
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Duncan Weldon @duncanweldon.bsky.social · 15/11/2024
What a chart. www.economist.com/interactive/...
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 19/01/2024
Does money make you happy? In a new post, I reviewed the adversarial collaboration between Daniel Kahneman and Matthew Killingsworth that attempted to answer this age-old question. Had a lot of fun writing this! jeroenvanbaar.substack.com/p/data-dispa...
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 15/01/2024
❗ 27% of American adults are "most days so stressed they can't function" (representative APA survey from 2022). 🧠 But 100 years ago, legendary economist John Maynard Keynes predicted we would all live a life of leisure. 🤔 What happened? I wrote a post about it, link in bio
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 22/12/2023
I wrote a Christmas-inspired newsletter this week, full of fascinating insights about the placebo effect. Read on: jeroenvanbaar.substack.com/p/the-perple... Happy holidays!
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Daniel @danielrembrandt.bsky.social · 13/10/2023
This is my favourite vampire cartoon from Science Saves Lives…
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 09/12/2023
Thank you!
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Jeroen van Baar, PhD @jeroenvanbaar.nl · 09/12/2023
Trying to find median household income per month for Moldova, but lack the training... Using World Bank Poverty & Inequality Platform, I found survey median consumption at $10.6 per day (2017 PPP). Does this translate to 30*10.6 = $318 per month? 🤔 Help! #EconSky pip.worldbank.org/poverty-calc...
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