Lenni
@leonhardreiter.bsky.social
Psychologist cosplaying as a Marketing PhD Student @ Uni Vienna. Interested in how people use and evaluate new technologies, research syntheses and cats.
Pinned
Lenni
@leonhardreiter.bsky.social
· Sep 25
Emphasising herd immunity in vaccine advocacy: a systematic review and meta-analysis
Emphasising herd immunity in vaccine communication may affect vaccine uptake by eliciting prosocial or selfish motivations. While experimental evidence has accumulated, quantitative syntheses are l...
doi.org
📢 New SysRev + Meta-Analysis out in Health Psychology Review!
Together with the amazing Martin Voracek, @corneliabetsch.bsky.social & @robertboehm.bsky.social
Do messages about herd immunity increase or decrease vaccination motivation? 🤔
Read more to find out! 🧵
OA: doi.org/10.1080/1743...
Together with the amazing Martin Voracek, @corneliabetsch.bsky.social & @robertboehm.bsky.social
Do messages about herd immunity increase or decrease vaccination motivation? 🤔
Read more to find out! 🧵
OA: doi.org/10.1080/1743...
Reposted by Lenni
Stop being a lame-o and replace dplyr with the more slappin genzplyr.
November 7, 2025 at 2:06 AM
Stop being a lame-o and replace dplyr with the more slappin genzplyr.
Reposted by Lenni
Reposted by Lenni
We're hiring! @univie.ac.at is seeking a TT Assistant Professor in the Psychology of Digitalization. If your work is about automation, AI, or immersive technology (e.g., VR) in the context of work and organizations (broadly defined), we’d love to hear from you. 👇
October 29, 2025 at 6:24 PM
We're hiring! @univie.ac.at is seeking a TT Assistant Professor in the Psychology of Digitalization. If your work is about automation, AI, or immersive technology (e.g., VR) in the context of work and organizations (broadly defined), we’d love to hear from you. 👇
Reposted by Lenni
I think this is kind of neat and I don't think anyone else has noticed it (I've looked and I can't find anyone who has) osf.io/preprints/so...
Maybe I should back off "justification" language, but it's at least a remarkable coincidence. I still think someone else *must* have noticed it...
Maybe I should back off "justification" language, but it's at least a remarkable coincidence. I still think someone else *must* have noticed it...
October 24, 2025 at 12:23 PM
I think this is kind of neat and I don't think anyone else has noticed it (I've looked and I can't find anyone who has) osf.io/preprints/so...
Maybe I should back off "justification" language, but it's at least a remarkable coincidence. I still think someone else *must* have noticed it...
Maybe I should back off "justification" language, but it's at least a remarkable coincidence. I still think someone else *must* have noticed it...
Reposted by Lenni
An AI algorithm that discovers its own way to learn achieves state-of-the-art performance, including on some tasks it had never encountered before
go.nature.com/3L4AmKL
go.nature.com/3L4AmKL
AI discovers learning algorithm that outperforms those designed by humans
An artificial-intelligence algorithm that discovers its own way to learn achieves state-of-the-art performance, including on some tasks it had never encountered before.
go.nature.com
October 23, 2025 at 11:10 AM
An AI algorithm that discovers its own way to learn achieves state-of-the-art performance, including on some tasks it had never encountered before
go.nature.com/3L4AmKL
go.nature.com/3L4AmKL
Reposted by Lenni
My PhD student @qinyuxiao.bsky.social has written a wonderful tribute to Gary Bornstein’s influential paper on team games (doi.org/10.1207/S153...) — a paper that remains as relevant today as it was over 20 years ago. You can read Qinyu’s short piece here: doi.org/10.1038/s441...
The multi-level social dilemmas of intergroup interactions - Nature Reviews Psychology
Nature Reviews Psychology - The multi-level social dilemmas of intergroup interactions
doi.org
September 25, 2025 at 2:40 PM
My PhD student @qinyuxiao.bsky.social has written a wonderful tribute to Gary Bornstein’s influential paper on team games (doi.org/10.1207/S153...) — a paper that remains as relevant today as it was over 20 years ago. You can read Qinyu’s short piece here: doi.org/10.1038/s441...
📢 New SysRev + Meta-Analysis out in Health Psychology Review!
Together with the amazing Martin Voracek, @corneliabetsch.bsky.social & @robertboehm.bsky.social
Do messages about herd immunity increase or decrease vaccination motivation? 🤔
Read more to find out! 🧵
OA: doi.org/10.1080/1743...
Together with the amazing Martin Voracek, @corneliabetsch.bsky.social & @robertboehm.bsky.social
Do messages about herd immunity increase or decrease vaccination motivation? 🤔
Read more to find out! 🧵
OA: doi.org/10.1080/1743...
Emphasising herd immunity in vaccine advocacy: a systematic review and meta-analysis
Emphasising herd immunity in vaccine communication may affect vaccine uptake by eliciting prosocial or selfish motivations. While experimental evidence has accumulated, quantitative syntheses are l...
doi.org
September 25, 2025 at 7:32 AM
📢 New SysRev + Meta-Analysis out in Health Psychology Review!
Together with the amazing Martin Voracek, @corneliabetsch.bsky.social & @robertboehm.bsky.social
Do messages about herd immunity increase or decrease vaccination motivation? 🤔
Read more to find out! 🧵
OA: doi.org/10.1080/1743...
Together with the amazing Martin Voracek, @corneliabetsch.bsky.social & @robertboehm.bsky.social
Do messages about herd immunity increase or decrease vaccination motivation? 🤔
Read more to find out! 🧵
OA: doi.org/10.1080/1743...
Reposted by Lenni
🚨 Beyond excited that our new paper is out today in @natureportfolio.nature.com
We find that people are more likely to cheat when they delegate to AI than when acting themselves.
www.nature.com/articles/s41...
We find that people are more likely to cheat when they delegate to AI than when acting themselves.
www.nature.com/articles/s41...
Delegation to artificial intelligence can increase dishonest behaviour - Nature
People cheat more when they delegate tasks to artificial intelligence, and large language models are more likely than humans to comply with unethical instructions—a risk that can be minimized by ...
www.nature.com
September 17, 2025 at 3:34 PM
🚨 Beyond excited that our new paper is out today in @natureportfolio.nature.com
We find that people are more likely to cheat when they delegate to AI than when acting themselves.
www.nature.com/articles/s41...
We find that people are more likely to cheat when they delegate to AI than when acting themselves.
www.nature.com/articles/s41...
Reposted by Lenni
Z-curve plot is a new visual model fit diagnostic for #metaanalysis with an emphasis on #publicationbias. In contrast to funnel plots, z-curve plots
- visualize the distribution of z-statistics (where bias usually occurs)
- compare the fit of multiple models simultaneously
- visualize the distribution of z-statistics (where bias usually occurs)
- compare the fit of multiple models simultaneously
September 10, 2025 at 9:42 AM
Z-curve plot is a new visual model fit diagnostic for #metaanalysis with an emphasis on #publicationbias. In contrast to funnel plots, z-curve plots
- visualize the distribution of z-statistics (where bias usually occurs)
- compare the fit of multiple models simultaneously
- visualize the distribution of z-statistics (where bias usually occurs)
- compare the fit of multiple models simultaneously
Reposted by Lenni
A shout out for @nrennie.bsky.social fab book on data viz! nrennie.rbind.io/art-of-viz/
The Art of Data Visualization with ggplot2
nrennie.rbind.io
September 5, 2025 at 11:17 AM
A shout out for @nrennie.bsky.social fab book on data viz! nrennie.rbind.io/art-of-viz/
Reposted by Lenni
"Understanding different types of review articles: A primer for early career researchers."
By Ghosh & Choudhury (2025)
Open Access: dx.doi.org/10.4103/indi...
#AcademicSky #PhDSky #Methodology
By Ghosh & Choudhury (2025)
Open Access: dx.doi.org/10.4103/indi...
#AcademicSky #PhDSky #Methodology
August 26, 2025 at 6:03 PM
"Understanding different types of review articles: A primer for early career researchers."
By Ghosh & Choudhury (2025)
Open Access: dx.doi.org/10.4103/indi...
#AcademicSky #PhDSky #Methodology
By Ghosh & Choudhury (2025)
Open Access: dx.doi.org/10.4103/indi...
#AcademicSky #PhDSky #Methodology
Reposted by Lenni
Happy to announce ✨quarto-revealjs-editable✨
This fully supersedes the imagemover extension, as I back then didn't realize the potential. You can now also move, resize, change font size and alignment for text in your slides
github.com/EmilHvitfeld...
#quarto #slidecrafting
This fully supersedes the imagemover extension, as I back then didn't realize the potential. You can now also move, resize, change font size and alignment for text in your slides
github.com/EmilHvitfeld...
#quarto #slidecrafting
August 20, 2025 at 5:39 PM
Happy to announce ✨quarto-revealjs-editable✨
This fully supersedes the imagemover extension, as I back then didn't realize the potential. You can now also move, resize, change font size and alignment for text in your slides
github.com/EmilHvitfeld...
#quarto #slidecrafting
This fully supersedes the imagemover extension, as I back then didn't realize the potential. You can now also move, resize, change font size and alignment for text in your slides
github.com/EmilHvitfeld...
#quarto #slidecrafting
Reposted by Lenni
Paper drop, for anyone interested in #metascience, #statistics, or #metaanalysis! @clintin.bsky.social and I show in a new paper in JASA that the P-curve, a popular forensic meta-analysis method, has deeply undesirable statistical properties. www.tandfonline.com/doi/full/10.... 1/?
August 8, 2025 at 6:56 PM
Paper drop, for anyone interested in #metascience, #statistics, or #metaanalysis! @clintin.bsky.social and I show in a new paper in JASA that the P-curve, a popular forensic meta-analysis method, has deeply undesirable statistical properties. www.tandfonline.com/doi/full/10.... 1/?
Reposted by Lenni
New blog post: Easily download files from the Open Science Framework with Papercheck daniellakens.blogspot.com/2025/07/easi...
Downloading all files in an OSF project can be a hassle. Not anymore, with Papercheck! Just run:
osf_file_download("6nt4v")
Downloading all files in an OSF project can be a hassle. Not anymore, with Papercheck! Just run:
osf_file_download("6nt4v")
Easily download files from the Open Science Framework with Papercheck
Researchers increasingly use the Open Science Framework (OSF) to share files, such as data and code underlying scientific publications, or ...
daniellakens.blogspot.com
July 22, 2025 at 9:58 AM
New blog post: Easily download files from the Open Science Framework with Papercheck daniellakens.blogspot.com/2025/07/easi...
Downloading all files in an OSF project can be a hassle. Not anymore, with Papercheck! Just run:
osf_file_download("6nt4v")
Downloading all files in an OSF project can be a hassle. Not anymore, with Papercheck! Just run:
osf_file_download("6nt4v")
Awesome reading list!
A bunch of readings and a new book on Bayesian meta-analysis
statmodeling.stat.columbia.edu/2025/07/15/a...
statmodeling.stat.columbia.edu/2025/07/15/a...
A bunch of readings and a new book on Bayesian meta-analysis | Statistical Modeling, Causal Inference, and Social Science
statmodeling.stat.columbia.edu
July 15, 2025 at 8:54 PM
Awesome reading list!
Reposted by Lenni
{ralger} #rstats package looks like an absolute game changer in the task of web scraping for people with very occasional need in this rather nerdy task 🤩
Instead of drilling manually through cached HTML, one can use intuitively named functions that just do it ✨
🔗 feddelegrand7.github.io/ralger/
Instead of drilling manually through cached HTML, one can use intuitively named functions that just do it ✨
🔗 feddelegrand7.github.io/ralger/
July 12, 2025 at 7:37 PM
{ralger} #rstats package looks like an absolute game changer in the task of web scraping for people with very occasional need in this rather nerdy task 🤩
Instead of drilling manually through cached HTML, one can use intuitively named functions that just do it ✨
🔗 feddelegrand7.github.io/ralger/
Instead of drilling manually through cached HTML, one can use intuitively named functions that just do it ✨
🔗 feddelegrand7.github.io/ralger/
Reposted by Lenni
An AI model (Llama 3.1 70B) fine-tuned on the results of 60,000 people in psychology experiments shows some real promise in using LLMs for studying and predicting human behavior.
It predicts actual human behavior in held-out data & it generalizes to out-of-distribution tasks and experiments.
It predicts actual human behavior in held-out data & it generalizes to out-of-distribution tasks and experiments.
July 5, 2025 at 3:50 PM
An AI model (Llama 3.1 70B) fine-tuned on the results of 60,000 people in psychology experiments shows some real promise in using LLMs for studying and predicting human behavior.
It predicts actual human behavior in held-out data & it generalizes to out-of-distribution tasks and experiments.
It predicts actual human behavior in held-out data & it generalizes to out-of-distribution tasks and experiments.
Reposted by Lenni
Just a reminder that #ESMARConf2025 is starting tomorrow! This is a free online conference about evidence synthesis and meta-analysis using #Rstats. Further details can be found here: esmarconf.org/2025/
2025 - ESMARConf
esmarconf.org
June 10, 2025 at 12:08 PM
Just a reminder that #ESMARConf2025 is starting tomorrow! This is a free online conference about evidence synthesis and meta-analysis using #Rstats. Further details can be found here: esmarconf.org/2025/
Reposted by Lenni
🚨New paper!🚨
Meta-analysis on 4M p-values across 240k psych articles: How has psychology changed since the replication crisis began? How is replicability linked to citations, impact factor, and university prestige? 🧵
Paper: journals.sagepub.com/doi/10.1177/...
Interactive: pbogdan.com/meganal
Meta-analysis on 4M p-values across 240k psych articles: How has psychology changed since the replication crisis began? How is replicability linked to citations, impact factor, and university prestige? 🧵
Paper: journals.sagepub.com/doi/10.1177/...
Interactive: pbogdan.com/meganal
April 9, 2025 at 1:15 PM
🚨New paper!🚨
Meta-analysis on 4M p-values across 240k psych articles: How has psychology changed since the replication crisis began? How is replicability linked to citations, impact factor, and university prestige? 🧵
Paper: journals.sagepub.com/doi/10.1177/...
Interactive: pbogdan.com/meganal
Meta-analysis on 4M p-values across 240k psych articles: How has psychology changed since the replication crisis began? How is replicability linked to citations, impact factor, and university prestige? 🧵
Paper: journals.sagepub.com/doi/10.1177/...
Interactive: pbogdan.com/meganal
Reposted by Lenni
Ende einer Ära: Brickerl (†) erhält Staatsbegräbnis dietagespresse.com/ende-einer-a...
Ende einer Ära: Brickerl (†) erhält Staatsbegräbnis
Österreich trauert um eine Legende: das Brickerl (1973 – 2025) wurde gestern unerwartet und viel zu früh aus dem Leben gerissen.
dietagespresse.com
May 21, 2025 at 9:13 AM
Ende einer Ära: Brickerl (†) erhält Staatsbegräbnis dietagespresse.com/ende-einer-a...
Reposted by Lenni
Does ChatGPT help with students' learning performance, learning perception, and higher-order thinking? We re-analyzed a recently published meta-analysis and found that the original conclusion is almost entirely driven by publication bias.
May 12, 2025 at 1:55 PM
Does ChatGPT help with students' learning performance, learning perception, and higher-order thinking? We re-analyzed a recently published meta-analysis and found that the original conclusion is almost entirely driven by publication bias.
Reposted by Lenni
A 2021 paper in a pay-to-publish #Nature journal claimed #mindfulness tasks (notice 3 things around you or differences between 2 similar images) reduced some cognitive #biases: doi.org/10.1057/s415...
The mindful #debiasing was undetected in a re-analysis and 2 replications: doi.org/10.1007/s126...
The mindful #debiasing was undetected in a re-analysis and 2 replications: doi.org/10.1007/s126...
May 6, 2025 at 10:29 AM
A 2021 paper in a pay-to-publish #Nature journal claimed #mindfulness tasks (notice 3 things around you or differences between 2 similar images) reduced some cognitive #biases: doi.org/10.1057/s415...
The mindful #debiasing was undetected in a re-analysis and 2 replications: doi.org/10.1007/s126...
The mindful #debiasing was undetected in a re-analysis and 2 replications: doi.org/10.1007/s126...
Reposted by Lenni
Pleased to announce that @sdpbht.bsky.social, @lukaszwalasek.bsky.social, Feiyi Wang and I published this work in @pnas.org last month. A particularly intricate project I'm thankful to have been part of! Going from unstructured text to an attribute repr. of decisions.
www.pnas.org/doi/10.1073/...
www.pnas.org/doi/10.1073/...
Computational analysis of 100 K choice dilemmas: Decision attributes, trade-off structures, and model-based prediction | PNAS
We present a dataset of over 100 K textual descriptions of real-life choice dilemmas,
obtained from social media posts and large-scale survey data....
www.pnas.org
May 6, 2025 at 11:31 AM
Pleased to announce that @sdpbht.bsky.social, @lukaszwalasek.bsky.social, Feiyi Wang and I published this work in @pnas.org last month. A particularly intricate project I'm thankful to have been part of! Going from unstructured text to an attribute repr. of decisions.
www.pnas.org/doi/10.1073/...
www.pnas.org/doi/10.1073/...
Amazing paper!
🚨 New paper out in @pnas.org 🚨
Together with Armin Granulo and Christoph Fuchs, we explore how people respond to system-level policies—like bans or mandates— 𝘣𝘦𝘧𝘰𝘳𝘦 vs. 𝘢𝘧𝘵𝘦𝘳 they are implemented.
Paper 🔗 doi.org/10.1073/pnas...
Preprint 🔗 osf.io/preprints/ps...
Open materials 🔗 osf.io/6qajn/
Together with Armin Granulo and Christoph Fuchs, we explore how people respond to system-level policies—like bans or mandates— 𝘣𝘦𝘧𝘰𝘳𝘦 vs. 𝘢𝘧𝘵𝘦𝘳 they are implemented.
Paper 🔗 doi.org/10.1073/pnas...
Preprint 🔗 osf.io/preprints/ps...
Open materials 🔗 osf.io/6qajn/
May 1, 2025 at 4:19 PM
Amazing paper!
🎉 New paper out in Mindfulness 📄
🧠 Can a 5-minute online mindfulness task help you make better decisions? That’s what a widely cited study claimed. We put it to the test. Not once, but twice!
OA: link.springer.com/article/10.1...
🧠 Can a 5-minute online mindfulness task help you make better decisions? That’s what a widely cited study claimed. We put it to the test. Not once, but twice!
OA: link.springer.com/article/10.1...
April 24, 2025 at 9:26 AM
🎉 New paper out in Mindfulness 📄
🧠 Can a 5-minute online mindfulness task help you make better decisions? That’s what a widely cited study claimed. We put it to the test. Not once, but twice!
OA: link.springer.com/article/10.1...
🧠 Can a 5-minute online mindfulness task help you make better decisions? That’s what a widely cited study claimed. We put it to the test. Not once, but twice!
OA: link.springer.com/article/10.1...