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Oscar Lecuona

@oscarlecuona.bsky.social
1K followers 450 following 154 posts

Assistant Professor at @UCM_Psico linktr.ee/oscar.lecuona #mindfulness | #nonmonogamous | #networkanalysis | #psychometrics | #metascience @oscarlecuona@fediscience.org Spiral out, keep going.

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Reposted by Oscar Lecuona
Dan Quintana @dsquintana.bsky.social · 17/03/2026
Nice to wake up to the news that our paper on the ESDist R package for calculating effect size distributions has been accepted for publication 🎉 Since our initial 2023 (!?) preprint we’ve made lots of improvements to the package based on feedback
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Reposted by Oscar Lecuona
Nathanael 🧦 Roy @sporkredfox.bsky.social · 12/03/2026
The probability distribution function of standard Cauchy. Because its expected value has to be 0. Just look at it. I know it isn't but come on. It *looks* normal but this function is an abomination.
Cauchy pdf
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Reposted by Oscar Lecuona
Eiko Fried @eikofried.bsky.social · 11/02/2026
LLMs good performance on medical exams does not translate to accurate performance in real-world settings (preregistered n~1,300 study). This can't be explained by current standard benchmarks for medical knowledge & simulated patient interactions. www.nature.com/articles/s41...
nature.com
Reliability of LLMs as medical assistants for the general public: a randomized preregistered study - Nature Medicine
In a randomized controlled study involving 1,298 participants from a general sample, performance of humans when assisted by a large language model (LLM) was sensibly inferior to that of the LLM alone ...
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Cédric Scherer @cedricscherer.com · 11/02/2026
I just opted out of a workshop with a heavy heart when I learned it's a collab with DataCamp. No matter what, I'll maintain my boycott — why? Here is a detailed overview: dnlmc.medium.com/dont-use-dat... There are soooo many other options that value you, the community, and the instructors!
dnlmc.medium.com
Don’t use DataCamp
A timeline of transgressions & community response
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Laura Botzet @laura-j-botzet.bsky.social · 09/02/2026
What do asexual women want? Paula Bange (research.tilburguniversity.edu/en/persons/p...) first asked this question over four years ago in her Master’s thesis. Now our results are published in Archives of Sexual Behavior: link.springer.com/article/10.1...
link.springer.com
What Do Asexual Women Want? A Propensity Score Matching Study of Preferred Relationship Options and Ideal Partner Preferences - Archives of Sexual Behavior
Research on whether asexual individuals desire (romantic) relationships and, if so, how they picture their ideal relationship has been growing in the past few years. However, less is known about the p...
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Reposted by Oscar Lecuona
Johannes Breuer @johannesbreuer.com · 25/01/2026
"War is peace, freedom is slavery, ignorance is strength" George Orwell, 1984
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Junior Researcher Programme @jresearcherprog.bsky.social · 16/01/2026
𝗔𝗿𝗲 𝘆𝗼𝘂 𝗮 𝗣𝗵𝗗 𝘀𝘁𝘂𝗱𝗲𝗻𝘁 𝗼𝗿 𝗽𝗼𝘀𝘁𝗱𝗼𝗰𝘁𝗼𝗿𝗮𝗹 𝗿𝗲𝘀𝗲𝗮𝗿𝗰𝗵𝗲𝗿? Are you eager to: 🚀 Lead your own research project? 🔬 Mentor psychology students from around the world on topics ranging from social media communication to AI-powered assistance? Read more ➡️ jrp.pscholars.org/supervisor-a...
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Oscar Lecuona @oscarlecuona.bsky.social · 15/01/2026
Amazing opportunity to develop dynamic and lasting projects and connections with other European fellows. Go #jschool2026!
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Dr Danny Penman @drdannypenman.bsky.social · 14/01/2026
Struggling with anger? Try this Body Scan meditation bit.ly/2qVkKhx #ArtOfBreathing #mindfulness
bit.ly
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Copernicus ECMWF @handle.invalid · 14/01/2026
The global warming trend continued in 2025. Each of the past 11 years (2015–2025) has been among the 11 warmest on record. Explore more data from #CopernicusClimate in the Global Climate Highlights 2025. #GCH2025 🔗 climate.copernicus.eu/global-clima... @ecmwf.int
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Oscar Lecuona @oscarlecuona.bsky.social · 13/01/2026
Yay we got published! 🎉🤓 Following our 21 systematic reviews of interventions impacting strengths and well-being, we provide meta-analytic evidence for those claims, now live on Clinical Psychology Review: www.sciencedirect.com/science/arti... #Psychology #MetaAnalysis #WellBeing #AcademicSky
sciencedirect.com
Efficacy of cultivating human strengths and virtues on well-being: A one-stage meta-analytic structural equation modeling approach
Mental health research emphasizes the importance of fostering character strengths to promote well-being. However, whether the strengths supposedly dev…
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Cell Press @cellpress.bsky.social · 13/11/2025
The link between the gut #microbiome and autism is not backed by science, researchers say. Read the full opinion piece in @cp-neuron.bsky.social: spkl.io/63322AbxpA @wiringthebrain.bsky.social, @statsepi.bsky.social, & @deevybee.bsky.social
First page of Opinion piece: "Conceptual and methodological flaws undermine claims of a link between the gut microbiome and autism"
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Oscar Lecuona @oscarlecuona.bsky.social · 01/01/2026
separados al nacer, "magia por los cuatro costados" #Monóculos2026
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Oscar Lecuona @oscarlecuona.bsky.social · 01/01/2026
Ahora si feliz añooo, así se empieza!!! #Monóculos2026
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Oscar Lecuona @oscarlecuona.bsky.social · 01/01/2026
Polka del circo para la tremenda CIRCA de este concierto #Monóculos2026
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Oscar Lecuona @oscarlecuona.bsky.social · 01/01/2026
VALS DEL ARCOIRIS de una mujer afroamericana con dos ovarios. A tope Yannick #Monóculos2026
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Oscar Lecuona @oscarlecuona.bsky.social · 01/01/2026
Que AHORA CANTAN #Monóculos2026
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La cabeza cortada del SrViteri @srviteri.bsky.social · 01/01/2026
¡Campana, silbato, cosa frotada! ¡Tren a escala entre las flores! ¡Gorros ferroviarios! ¡Señales! MARAVILLOSO. #Monóculos2026
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Oscar Lecuona @oscarlecuona.bsky.social · 01/01/2026
SI QUE HAY BAILE TRAS LA DIGNIDAD DE LAS MUJERES Y encima con tjimotee chalamet #Monóculos2026
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SostieneNatalia @sostienenatalia.bsky.social · 01/01/2026
'La dignidad de las mujeres'. Con toda la intención. Te queremos muchísimo, Yannick. #Monóculos2026
media.tenor.com
a woman is sitting in a chair with a napkin in her hand and the words `` you 're doing amazing sweetie '' .
ALT: a woman is sitting in a chair with a napkin in her hand and the words `` you 're doing amazing sweetie '' .
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La cabeza cortada del SrViteri @srviteri.bsky.social · 01/01/2026
Terrible la tiranía woke, obligando a la gente a pasárselo bien. Directores gays, compositoras, piezas menos habituales… menudo sindiós. #Monóculos2026
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Paolo Crosetto @paolocrosetto.bsky.social · 31/12/2025
I wish 2026 is the year we stop the drain that scientific publishers impose on science. Instead of funding science, increasing shares of shrinking research budgets are funneled to publishers in exchange of.. not much. Understand the strain: tinyurl.com/2b6wxx5r Stop the drain: tinyurl.com/3jfscscy
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Reposted by Oscar Lecuona
PsyArXivBot @psyarxivbot.bsky.social · 29/12/2025
A Unified Framework for Psychometrics in Experimental Psychology: The Standardized Generalized Hierarchical Factor Model: osf.io/gv6k7
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Reposted by Oscar Lecuona
Jay Van Bavel, PhD @jayvanbavel.bsky.social · 14/12/2025
A new PNAS paper finds that polarization increased immediately after the invention of smartphones and the advent of social media, which both appeared around the same year, 2008. www.pnas.org/doi/10.1073/...
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Reposted by Oscar Lecuona
Tarik Abou-Chadi @tabouchadi.bsky.social · 12/12/2025
This is a brilliant piece on the restructuring of political competition in Western Europe and goes far beyond the question of populism. Great also for teaching.
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Reposted by Oscar Lecuona
Tom Hollenstein @tomhollenstein.bsky.social · 07/12/2025
So...my undergrad thesis student is doing a quality analysis of studies found in meta-analyses. She identified a few and we contacted the authors to request their effect sizes and other variables for the studies in their papers. Here's what happened: scientiapsychiatrica.com/index.php/Sc...
scientiapsychiatrica.com
The Impact of Social Media on Adolescent Mental Health: A Meta-Analysis | Scientia Psychiatrica
Introduction: The proliferation of social media has raised significant concerns about its potential effects on the mental health of adolescents. This meta-analysis aims to provide a comprehensive asse...
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Daniel Lakens @lakens.bsky.social · 04/12/2025
People post more code and preregister more, and have very positive attitudes about it www.nature.com/articles/s41... Increase in sample sizes: Bakker, M., Lê, T. T., & Marzalek, J. M. (2025). osf.io/preprints/ps...
nature.com
Survey of open science practices and attitudes in the social sciences - Nature Communications
Open science practices are becoming more common in the social sciences, but there is limited data on their popularity and prevalence. Here, using survey data, the authors provide evidence that levels ...
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Reposted by Oscar Lecuona
Sasha Gusev @sashagusevposts.bsky.social · 21/11/2025
I wrote a little bit about the "missing heritability" question and several recent studies that have brought it to a close. A short 🧵
theinfinitesimal.substack.com
The missing heritability question is now (mostly) answered
Not with a bang but with a whimper
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Reposted by Oscar Lecuona
Chelsea Parlett @chelseaparlett.bsky.social · 21/11/2025
IF YOURE NOT GOING TO LOOK AT THE UNCERTAINTY OF YOUR ESTIMATES WHY BOTHER DOING THE ANALYSIS AT ALL #pikasShoutStats
A pika shouting while sitting on a rock
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Oscar Lecuona @oscarlecuona.bsky.social · 21/11/2025
Just released my short course on Bayesian Data Analysis using JASP. Hope you find it useful! 📚Materials, scripts, data and links: doi.org/10.17605/OSF... 📺 Playlist: www.youtube.com/playlist?lis... #StatsEd #Bayes #OpenScience #Statistics #Teaching @rosenetwork.bsky.social
youtube.com
Bayesian Data Analysis with JASP: Course for the EAM - YouTube
Short course to cover Bayesian Data Analysis. Starts at the foundations of probability and statistical inference, how Bayesian inference is built and how it ...
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Reposted by Oscar Lecuona
Mark A. Hanson @hansonmark.bsky.social · 11/11/2025
We wrote the Strain on scientific publishing to highlight the problems of time & trust. With a fantastic group of co-authors, we present The Drain of Scientific Publishing: a 🧵 1/n Drain: arxiv.org/abs/2511.04820 Strain: direct.mit.edu/qss/article/... Oligopoly: direct.mit.edu/qss/article/...
A table showing profit margins of major publishers. A snippet of text related to this table is below.

1. The four-fold drain
1.1 Money
Currently, academic publishing is dominated by profit-oriented, multinational companies for
whom scientific knowledge is a commodity to be sold back to the academic community who
created it. The dominant four are Elsevier, Springer Nature, Wiley and Taylor & Francis,
which collectively generated over US$7.1 billion in revenue from journal publishing in 2024
alone, and over US$12 billion in profits between 2019 and 2024 (Table 1A). Their profit
margins have always been over 30% in the last five years, and for the largest publisher
(Elsevier) always over 37%.
Against many comparators, across many sectors, scientific publishing is one of the most
consistently profitable industries (Table S1). These financial arrangements make a substantial
difference to science budgets. In 2024, 46% of Elsevier revenues and 53% of Taylor &
Francis revenues were generated in North America, meaning that North American
researchers were charged over US$2.27 billion by just two for-profit publishers. The
Canadian research councils and the US National Science Foundation were allocated US$9.3
billion in that year.A figure detailing the drain on researcher time.

1. The four-fold drain

1.2 Time
The number of papers published each year is growing faster than the scientific workforce,
with the number of papers per researcher almost doubling between 1996 and 2022 (Figure
1A). This reflects the fact that publishers’ commercial desire to publish (sell) more material
has aligned well with the competitive prestige culture in which publications help secure jobs,
grants, promotions, and awards. To the extent that this growth is driven by a pressure for
profit, rather than scholarly imperatives, it distorts the way researchers spend their time.
The publishing system depends on unpaid reviewer labour, estimated to be over 130 million
unpaid hours annually in 2020 alone (9). Researchers have complained about the demands of
peer-review for decades, but the scale of the problem is now worse, with editors reporting
widespread difficulties recruiting reviewers. The growth in publications involves not only the
authors’ time, but that of academic editors and reviewers who are dealing with so many
review demands.
Even more seriously, the imperative to produce ever more articles reshapes the nature of
scientific inquiry. Evidence across multiple fields shows that more papers result in
‘ossification’, not new ideas (10). It may seem paradoxical that more papers can slow
progress until one considers how it affects researchers’ time. While rewards remain tied to
volume, prestige, and impact of publications, researchers will be nudged away from riskier,
local, interdisciplinary, and long-term work. The result is a treadmill of constant activity with
limited progress whereas core scholarly practices – such as reading, reflecting and engaging
with others’ contributions – is de-prioritized. What looks like productivity often masks
intellectual exhaustion built on a demoralizing, narrowing scientific vision.A table of profit margins across industries. The section of text related to this table is below:

1. The four-fold drain
1.1 Money
Currently, academic publishing is dominated by profit-oriented, multinational companies for
whom scientific knowledge is a commodity to be sold back to the academic community who
created it. The dominant four are Elsevier, Springer Nature, Wiley and Taylor & Francis,
which collectively generated over US$7.1 billion in revenue from journal publishing in 2024
alone, and over US$12 billion in profits between 2019 and 2024 (Table 1A). Their profit
margins have always been over 30% in the last five years, and for the largest publisher
(Elsevier) always over 37%.
Against many comparators, across many sectors, scientific publishing is one of the most
consistently profitable industries (Table S1). These financial arrangements make a substantial
difference to science budgets. In 2024, 46% of Elsevier revenues and 53% of Taylor &
Francis revenues were generated in North America, meaning that North American
researchers were charged over US$2.27 billion by just two for-profit publishers. The
Canadian research councils and the US National Science Foundation were allocated US$9.3
billion in that year.The costs of inaction are plain: wasted public funds, lost researcher time, compromised
scientific integrity and eroded public trust. Today, the system rewards commercial publishers
first, and science second. Without bold action from the funders we risk continuing to pour
resources into a system that prioritizes profit over the advancement of scientific knowledge.
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Oscar Lecuona @oscarlecuona.bsky.social · 18/11/2025
Super relevant to ground the critique on scientific publishing. And the cause is pretty simple: the product they sell is made and refined for free, to then charge for it to the same community
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Oscar Lecuona @oscarlecuona.bsky.social · 17/11/2025
Este sábado 22 estaré con otras compañera, en mi caso hablando de la revolución de la credibilidad y la crisis de replicacion
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Meade Krosby @meadekrosby.bsky.social · 07/11/2025
Thinking only of Rosalind Franklin today, and what was stolen from her (and so many other female scientists alongside her).
science.org
Rosalind Franklin and the damage of gender harassment
Spurred by a recent report on sexual harassment in academia, our columnist revisits a historical case and reflects on what has changed—and what hasn’t
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Miri Forbes @miriforbes.bsky.social · 04/11/2025
I’ve spent the last 8 years(!) working from the position that HiTOP relies too much on analyses of traditional diagnoses, baking in limitations of the DSM, and that we need to move to symptom-level analyses to fix it It turns out that rebuilding HiTOP from the ground up doesn’t change much 💀 1/
A figure of the results from our study, showing a model that looks remarkably similar to the official HiTOP model. There are also important differences like a pathological introversion domain and a combined hypomania/disinhibition dimension.
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Jay Van Bavel, PhD @jayvanbavel.bsky.social · 04/11/2025
Engagement-based #algorithms amplify intergroup hostility + moral-emotional content, leading it to be overrepresented in your feed This leads us to falsely perceive that people want to see this kind of content and share more of it. This technology fuels false polarization: osf.io/preprints/os...
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Ruben C. Arslan @ruben.the100.ci · 28/10/2025
I built a DAG diagram with garden hoses for teaching. Pictured: a collider bias diagram, inspired by a blocked pipe situation I experienced (which I credit with giving me the intuition though it also ruined my belongings in the flooded cellar).
me with some garden hoses connected in a  X -> Z <- Y fashion. If I shut the valve at Z, water from X spills out at Y
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Oscar Lecuona @oscarlecuona.bsky.social · 31/10/2025
In Madrid we face extraordinary cuts and losses in budget, my uni may be unable to pay workers in mid-term. This is caused by govt pushing privatization. Despite all of that we still fight for public, high-quality and autonomous education, making good research: www.rtve.es/noticias/202...
rtve.es
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Anne Scheel @annemscheel.bsky.social · 31/10/2025
There still seems to be a lot of confusion about significance testing in psych. No, p-values *don’t* become useless at large N. This flawed point also used to be framed as "too much power". But power isn't the problem – it's 1) unbalanced error rates and 2) the (lack of a) SESOI. 1/ >
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Micah @rincewind.run · 21/09/2025
we have gone from a world in which we were told not to cite wikipedia because it was unreliable to a world where wikipedia might be the only reliable source left on the internet and we all owe a lot to the pedantic nerds who got us there
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Mark Rubin @markrubin.bsky.social · 21/09/2025
"Progress in theorising means treating our theories as works in progress in need of continuous improvement, and this sometimes also means having to kill one’s darlings." Martijn van Zomeren and @ayseuskul.bsky.social introduce the ERSP special issue on theorizing in social psychology. #SocialPsyc
doi.org
Introduction to the ERSP special issue on “Reflections on social-psychological theorizing and the state of our field”
Published in European Review of Social Psychology (Vol. 36, No. 2, 2025)
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Julia Serano @juliaserano.bsky.social · 22/09/2025
many ppl highlighting flaws in this article. but having fought in the "80% desistance" wars of the mid-2010s, I remember asking anti-trans activists if they'd be ok if 80% of youth were helped by gender-affirming care (flipping their argument). & they *never* answered. b/c they want *zero* trans ppl
screenshot of a The Economist post that reads: "A recent study found that children who transitioned young retained stable gender identities over time. But the fact that nearly a fifth of those in the group did not ought to give advocates of irreversible medical interventions pause". the byline of the linked to article says "a study finds that one in five who switch gender change their mind"
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Barack Obama @barackobama.bsky.social · 18/09/2025
After years of complaining about cancel culture, the current administration has taken it to a new and dangerous level by routinely threatening regulatory action against media companies unless they muzzle or fire reporters and commentators it doesn’t like.
yahoo.com
Let’s be clear about what happened to Jimmy Kimmel
Trump’s most brazen attack on free speech yet.
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Hadas Weiss @hadas.bsky.social · 30/08/2025
2 years ago today
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Oscar Lecuona @oscarlecuona.bsky.social · 26/08/2025
Colleague added an open-access full-text + paper database in the same file, easy access to the full information: Link here: www.researchgate.net/publication/...
researchgate.net
(PDF) A synthesis of RCTs on psychological interventions fostering strengths and virtues: Evidence from 21 systematic reviews
PDF | Research on mental health advocates the cultivation of character strengths to enhance well‐being. Existing meta‐analyses support positive... | Find, read and cite all the research you need on Re...
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Oscar Lecuona @oscarlecuona.bsky.social · 19/08/2025
We got published! We synthesized 21 systematic reviews of RCTs testing of interventions can impact character strengths and well-being. Almost 62k abstracts screened and immense work! doi.org/10.1111/aphw...
doi.org
A synthesis of RCTs on psychological interventions fostering strengths and virtues: Evidence from 21 systematic reviews
Research on mental health advocates the cultivation of character strengths to enhance well-being. Existing meta-analyses support positive correlations between strengths and well-being, and an increas...
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Gil Durán @gilduran.com · 07/08/2025
Tech fascism, like the tech libertarianism that birthed it, specializes in hijacking left-wing ideals, repackaging them as right-wing ideology, and selling the resulting sludge as “moderate/centrist/common sense.” The roots of this go very deep. Keep an eye out!
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