Angelika Stefan
@ephemeralidea.bsky.social
Lecturer at University of Liverpool, psychological methods & computational modeling in psychology, open science advocat. Always asking questions. Loves music, art & good food. She/her
Reposted by Angelika Stefan
I'm now also looking for a postdoc with strong Bayesian background and interest in developing Bayesian cross-validation theory, methods and software. Apply by email with no specific deadline (see contact information at users.aalto.fi/~ave/).
Others, please share
Others, please share
I'm looking for a doctoral student with Bayesian background to work on Bayesian workflow and cross-validation (see my publication list users.aalto.fi/~ave/publica... for my recent work) at Aalto University.
Apply through the ELLIS PhD program (dl October 31) ellis.eu/news/ellis-p...
Apply through the ELLIS PhD program (dl October 31) ellis.eu/news/ellis-p...
ELLIS PhD Program: Call for Applications 2025
The ELLIS mission is to create a diverse European network that promotes research excellence and advances breakthroughs in AI, as well as a pan-European PhD program to educate the next generation of AI...
ellis.eu
October 29, 2025 at 2:37 PM
I'm now also looking for a postdoc with strong Bayesian background and interest in developing Bayesian cross-validation theory, methods and software. Apply by email with no specific deadline (see contact information at users.aalto.fi/~ave/).
Others, please share
Others, please share
Reposted by Angelika Stefan
Struggling to keep your research data organized and reusable? 📂 The LMU Open Science Center has a tutorial to help bring order and accessibility to your datasets.
Self-Paced Tutorial of the Day: FAIR Data Management 📚 lmu-osc.github.io/FAIR-Data-Ma...
Self-Paced Tutorial of the Day: FAIR Data Management 📚 lmu-osc.github.io/FAIR-Data-Ma...
Welcome – FAIR Research Data Management Tutorial
lmu-osc.github.io
October 28, 2025 at 11:00 AM
Struggling to keep your research data organized and reusable? 📂 The LMU Open Science Center has a tutorial to help bring order and accessibility to your datasets.
Self-Paced Tutorial of the Day: FAIR Data Management 📚 lmu-osc.github.io/FAIR-Data-Ma...
Self-Paced Tutorial of the Day: FAIR Data Management 📚 lmu-osc.github.io/FAIR-Data-Ma...
Hive mind, I need your help! What are good resources to give to a PhD student to catch up on basic calculus in their own time?
For example: logarithms, finding the integral/derivative of a function, basic matrix algebra...
High-school level is fine, no need for proofs!
#AcademicSky #StatsSky
For example: logarithms, finding the integral/derivative of a function, basic matrix algebra...
High-school level is fine, no need for proofs!
#AcademicSky #StatsSky
October 27, 2025 at 4:12 PM
Hive mind, I need your help! What are good resources to give to a PhD student to catch up on basic calculus in their own time?
For example: logarithms, finding the integral/derivative of a function, basic matrix algebra...
High-school level is fine, no need for proofs!
#AcademicSky #StatsSky
For example: logarithms, finding the integral/derivative of a function, basic matrix algebra...
High-school level is fine, no need for proofs!
#AcademicSky #StatsSky
Reposted by Angelika Stefan
We built the openESM database:
▶️60 openly available experience sampling datasets (16K+ participants, 740K+ obs.) in one place
▶️Harmonized (meta-)data, fully open-source software
▶️Filter & search all data, simply download via R/Python
Find out more:
🌐 openesmdata.org
📝 doi.org/10.31234/osf...
▶️60 openly available experience sampling datasets (16K+ participants, 740K+ obs.) in one place
▶️Harmonized (meta-)data, fully open-source software
▶️Filter & search all data, simply download via R/Python
Find out more:
🌐 openesmdata.org
📝 doi.org/10.31234/osf...
October 22, 2025 at 7:34 PM
We built the openESM database:
▶️60 openly available experience sampling datasets (16K+ participants, 740K+ obs.) in one place
▶️Harmonized (meta-)data, fully open-source software
▶️Filter & search all data, simply download via R/Python
Find out more:
🌐 openesmdata.org
📝 doi.org/10.31234/osf...
▶️60 openly available experience sampling datasets (16K+ participants, 740K+ obs.) in one place
▶️Harmonized (meta-)data, fully open-source software
▶️Filter & search all data, simply download via R/Python
Find out more:
🌐 openesmdata.org
📝 doi.org/10.31234/osf...
Reposted by Angelika Stefan
🌟 We’re hiring! 🌟 Are you interested in memory, cognitive training, & healthy ageing? We’re looking for a Research Assistant to join our lab! www.jobs.ac.uk/job/DOZ814/r...
👉 0.5 FTE (2.5 days/week), 4 months (likely from 01/26)
👉 Annual salary £32,080 to £33,002 (pro-rata)
👉 Based in Sheffield, UK
👉 0.5 FTE (2.5 days/week), 4 months (likely from 01/26)
👉 Annual salary £32,080 to £33,002 (pro-rata)
👉 Based in Sheffield, UK
Research Assistant - Cognitive Ability & Plasticity Lab at University of Sheffield
Searching for an academic job? Explore this Research Assistant - Cognitive Ability & Plasticity Lab opening on jobs.ac.uk! Click to view more details and browse other academic jobs.
www.jobs.ac.uk
October 17, 2025 at 8:08 AM
🌟 We’re hiring! 🌟 Are you interested in memory, cognitive training, & healthy ageing? We’re looking for a Research Assistant to join our lab! www.jobs.ac.uk/job/DOZ814/r...
👉 0.5 FTE (2.5 days/week), 4 months (likely from 01/26)
👉 Annual salary £32,080 to £33,002 (pro-rata)
👉 Based in Sheffield, UK
👉 0.5 FTE (2.5 days/week), 4 months (likely from 01/26)
👉 Annual salary £32,080 to £33,002 (pro-rata)
👉 Based in Sheffield, UK
Happy to see our paper on p-hacking discussed in @nulliusinverba.bsky.social !
New Nullius In Verba episode on p-hacking (Part 1 of 2). We discuss why it is useful for a single term to describe all practices that untransparently inflate error rates, and what these practices are.
nulliusinverba.podbean.com/e/p-hacking-i/
nulliusinverba.podbean.com/e/p-hacking-i/
Episode 68: Fraus P-Valoris - I | Nullius in Verba
In this two-part episode, we delve into the phenomenon of p-hacking. What are the various terms used to describe practices that inflate error rates? How does terminology shape our understanding and…
nulliusinverba.podbean.com
October 11, 2025 at 9:41 AM
Happy to see our paper on p-hacking discussed in @nulliusinverba.bsky.social !
London calling! All psyched to give a talk at the Open Research Summer School at @kingscollegelondon.bsky.social tomorrow!
July 20, 2025 at 9:02 PM
London calling! All psyched to give a talk at the Open Research Summer School at @kingscollegelondon.bsky.social tomorrow!
PSA future employers of my students: Asking me in your reference form whether my student is "loyal and discreet" (not applying for the MoD here) and "prone to continual days off sick" is not a good look!
🤯🤯I AM SO MAD RIGHT NOW! 🤯🤯
🤯🤯I AM SO MAD RIGHT NOW! 🤯🤯
July 2, 2025 at 6:59 PM
PSA future employers of my students: Asking me in your reference form whether my student is "loyal and discreet" (not applying for the MoD here) and "prone to continual days off sick" is not a good look!
🤯🤯I AM SO MAD RIGHT NOW! 🤯🤯
🤯🤯I AM SO MAD RIGHT NOW! 🤯🤯
Anyone else having trouble with the OSF today? Tried uploading some files today and now I keep getting internal server errors...
#openscience @cos.io
#openscience @cos.io
June 30, 2025 at 10:19 AM
Anyone else having trouble with the OSF today? Tried uploading some files today and now I keep getting internal server errors...
#openscience @cos.io
#openscience @cos.io
Looking forward to presenting at the King's Open Research Summer School and meeting the London Open Science crowd! Thanks @samwestwood.bsky.social for the invitation!
Excited to welcome @ephemeralidea.bsky.social to King’s Open Research Summer School on Mon 21st July.
She’ll be sharing new reflections since Big Little Lies, a standout in the growing movement to detect and challenge questionable research practices misconduct.
🔗 Register: tinyurl.com/j7y9962r
She’ll be sharing new reflections since Big Little Lies, a standout in the growing movement to detect and challenge questionable research practices misconduct.
🔗 Register: tinyurl.com/j7y9962r
June 11, 2025 at 9:31 PM
Looking forward to presenting at the King's Open Research Summer School and meeting the London Open Science crowd! Thanks @samwestwood.bsky.social for the invitation!
Consider supporting my brilliant Master student Carys Hoggan (not on Bluesky) by taking part in her study on how research results may influence our decision-making!
June 10, 2025 at 1:42 PM
Consider supporting my brilliant Master student Carys Hoggan (not on Bluesky) by taking part in her study on how research results may influence our decision-making!
Reposted by Angelika Stefan
Please spread the word!
Psych Science is recruiting volunteers to help conduct computational reproducibility checks.
If you have experience writing reproducible analysis scripts in psychology, and want to join the team, please apply!
www.psychologicalscience.org/publications...
Psych Science is recruiting volunteers to help conduct computational reproducibility checks.
If you have experience writing reproducible analysis scripts in psychology, and want to join the team, please apply!
www.psychologicalscience.org/publications...
Call for Volunteers: Psychological Science REPEAT Network
Are you passionate about ensuring the reproducibility of scientific research? The journal Psychological Science is looking for volunteers to join REPEAT—our new network of computational reproducibilit...
www.psychologicalscience.org
May 23, 2025 at 1:48 PM
Please spread the word!
Psych Science is recruiting volunteers to help conduct computational reproducibility checks.
If you have experience writing reproducible analysis scripts in psychology, and want to join the team, please apply!
www.psychologicalscience.org/publications...
Psych Science is recruiting volunteers to help conduct computational reproducibility checks.
If you have experience writing reproducible analysis scripts in psychology, and want to join the team, please apply!
www.psychologicalscience.org/publications...
Reposted by Angelika Stefan
After years of hard work, @hashimsat.bsky.social's big one is out!
Huge thanks to co-authors Katharina Wille, Matt Nassar, Radek Cichy, @nicoschuck.bsky.social & Peter Dayan - and to @haukeren.bsky.social for his invaluable support!
Huge thanks to co-authors Katharina Wille, Matt Nassar, Radek Cichy, @nicoschuck.bsky.social & Peter Dayan - and to @haukeren.bsky.social for his invaluable support!
May 19, 2025 at 5:43 AM
After years of hard work, @hashimsat.bsky.social's big one is out!
Huge thanks to co-authors Katharina Wille, Matt Nassar, Radek Cichy, @nicoschuck.bsky.social & Peter Dayan - and to @haukeren.bsky.social for his invaluable support!
Huge thanks to co-authors Katharina Wille, Matt Nassar, Radek Cichy, @nicoschuck.bsky.social & Peter Dayan - and to @haukeren.bsky.social for his invaluable support!
Reposted by Angelika Stefan
Because I have opened a BlueSky window and am procrastinating on reading final papers, let me also share what this spring has been like from my corner of the academic world.
May 16, 2025 at 3:09 PM
Because I have opened a BlueSky window and am procrastinating on reading final papers, let me also share what this spring has been like from my corner of the academic world.
Reposted by Angelika Stefan
If you'll be at APS2025 in DC next week, I'll be talking about the terrible statistical properties of the p curve procedure in the "Current Issues in Meta-Science" session Saturday, May 24th at 3pm. This will likely be my last US conference in a very long time. A brief summary follows. 1/
May 15, 2025 at 7:25 AM
If you'll be at APS2025 in DC next week, I'll be talking about the terrible statistical properties of the p curve procedure in the "Current Issues in Meta-Science" session Saturday, May 24th at 3pm. This will likely be my last US conference in a very long time. A brief summary follows. 1/
Travelling to the UK from Munich Airport, always a joy... After accidentally (!) stamping my partner's passport on a previous trip, today they didn't want to believe me that eVisas exist in the UK. But, thankfully, they believed the random guy next to me who shouted "DOCH" in good German fashion 😒
May 4, 2025 at 6:31 AM
Travelling to the UK from Munich Airport, always a joy... After accidentally (!) stamping my partner's passport on a previous trip, today they didn't want to believe me that eVisas exist in the UK. But, thankfully, they believed the random guy next to me who shouted "DOCH" in good German fashion 😒
Reposted by Angelika Stefan
🎥 We're live! Catch up on the “From R to Python: A Gentle Introduction” session with R-Ladies Rome and Federica Gazzelloni. Explore similarities, differences, and essential Python libraries like Pandas and Sklearn.
📺 Watch now: www.youtube.com/watch?v=PVnT...
📚 Resources: Slides and booklet
📺 Watch now: www.youtube.com/watch?v=PVnT...
📚 Resources: Slides and booklet
R-Ladies Rome (English) - From R to Python: A Gentle Introduction
In this session, we explore how to get started with Python — especially if you’re coming from R or just curious about Python for data analysis.👩💻 What you...
www.youtube.com
April 29, 2025 at 8:22 PM
🎥 We're live! Catch up on the “From R to Python: A Gentle Introduction” session with R-Ladies Rome and Federica Gazzelloni. Explore similarities, differences, and essential Python libraries like Pandas and Sklearn.
📺 Watch now: www.youtube.com/watch?v=PVnT...
📚 Resources: Slides and booklet
📺 Watch now: www.youtube.com/watch?v=PVnT...
📚 Resources: Slides and booklet
Reposted by Angelika Stefan
priorsense 1.1.1, for prior and likelihood sensitivity analysis, is now in CRAN (n-kall.github.io/priorsense/)
There is now an easier way to select which priors are power-scaled using the new prior tags feature in brms (2.22.11+), which allows focusing the analysis on specific priors.
1/3
There is now an easier way to select which priors are power-scaled using the new prior tags feature in brms (2.22.11+), which allows focusing the analysis on specific priors.
1/3
Prior Diagnostics and Sensitivity Analysis
Provides functions for prior and likelihood sensitivity analysis in Bayesian models. Currently it implements methods to determine the sensitivity of the posterior to power-scaling perturbations of the...
n-kall.github.io
April 24, 2025 at 6:04 PM
priorsense 1.1.1, for prior and likelihood sensitivity analysis, is now in CRAN (n-kall.github.io/priorsense/)
There is now an easier way to select which priors are power-scaled using the new prior tags feature in brms (2.22.11+), which allows focusing the analysis on specific priors.
1/3
There is now an easier way to select which priors are power-scaled using the new prior tags feature in brms (2.22.11+), which allows focusing the analysis on specific priors.
1/3
Reposted by Angelika Stefan
📢 Postdoctoral Research Associate vacancy
Exciting opportunity for a Postdoctoral Research Associate to join our new UKRI-funded project on dietary health inequalities @liverpooluni.bsky.social.
See below for further details & reach out if any questions.
tinyurl.com/mpwbkdub
Exciting opportunity for a Postdoctoral Research Associate to join our new UKRI-funded project on dietary health inequalities @liverpooluni.bsky.social.
See below for further details & reach out if any questions.
tinyurl.com/mpwbkdub
Job Specification
tinyurl.com
April 22, 2025 at 4:35 PM
📢 Postdoctoral Research Associate vacancy
Exciting opportunity for a Postdoctoral Research Associate to join our new UKRI-funded project on dietary health inequalities @liverpooluni.bsky.social.
See below for further details & reach out if any questions.
tinyurl.com/mpwbkdub
Exciting opportunity for a Postdoctoral Research Associate to join our new UKRI-funded project on dietary health inequalities @liverpooluni.bsky.social.
See below for further details & reach out if any questions.
tinyurl.com/mpwbkdub
Reposted by Angelika Stefan
Psych-DS is (1) spellcheck for your datasets and (2) a pathway to standardizing data in our academic fields that *everyone* can learn.
And it's live RIGHT NOW!
psych-ds.github.io
(This is the announcement post I've been leading up to)
And it's live RIGHT NOW!
psych-ds.github.io
(This is the announcement post I've been leading up to)
Psych-DS
A specification for psychological datasets. JSON metadata, predictable directory structure, and machine-readable specifications for tabular datasets.
psych-ds.github.io
April 9, 2025 at 7:37 PM
Psych-DS is (1) spellcheck for your datasets and (2) a pathway to standardizing data in our academic fields that *everyone* can learn.
And it's live RIGHT NOW!
psych-ds.github.io
(This is the announcement post I've been leading up to)
And it's live RIGHT NOW!
psych-ds.github.io
(This is the announcement post I've been leading up to)
Reposted by Angelika Stefan
🚩New version of a working paper now available!🚩
"Rounding the (Non)Bayesian Curve: Unraveling the Effects of Rounding Errors in Belief Updating" with Yaroslav Rosokha
papers.ssrn.com/sol3/papers....
A thread 👇👇
#Bayes #TeachBE #EconSky
"Rounding the (Non)Bayesian Curve: Unraveling the Effects of Rounding Errors in Belief Updating" with Yaroslav Rosokha
papers.ssrn.com/sol3/papers....
A thread 👇👇
#Bayes #TeachBE #EconSky
April 18, 2025 at 1:41 PM
🚩New version of a working paper now available!🚩
"Rounding the (Non)Bayesian Curve: Unraveling the Effects of Rounding Errors in Belief Updating" with Yaroslav Rosokha
papers.ssrn.com/sol3/papers....
A thread 👇👇
#Bayes #TeachBE #EconSky
"Rounding the (Non)Bayesian Curve: Unraveling the Effects of Rounding Errors in Belief Updating" with Yaroslav Rosokha
papers.ssrn.com/sol3/papers....
A thread 👇👇
#Bayes #TeachBE #EconSky
I'm sad to see that the UvA and other Dutch universities took this decision. Cutting English-language degrees is not going to improve the quality of education of Dutch students and it hurts the academic environment. Feeling with my former colleagues today 😔
The UvA stops its English-language bachelor’s degree in Psychology, as do several other universities in the Randstad. “We from Psychology are being thrown under the the bus.” www.folia.nl/en/actueel/1...
UvA ends English-language bachelor’s degree in psychology
www.folia.nl
April 16, 2025 at 11:47 PM
I'm sad to see that the UvA and other Dutch universities took this decision. Cutting English-language degrees is not going to improve the quality of education of Dutch students and it hurts the academic environment. Feeling with my former colleagues today 😔
Reposted by Angelika Stefan
Call for collaborators!
We are launching the Replicability Project: Health Behavior (RPHB) to replicate a sample of findings relevant to public health, epidemiology, health policy, and behavioral science.
Teams receive funding for conducting replication studies.
Details: www.cos.io/rphb
We are launching the Replicability Project: Health Behavior (RPHB) to replicate a sample of findings relevant to public health, epidemiology, health policy, and behavioral science.
Teams receive funding for conducting replication studies.
Details: www.cos.io/rphb
Replicability Project: Health Behavior (RPHB)
The Center for Open Science (COS) is launching the Replicability Project: Health Behavior (RPHB), which is a large-scale, multi-team effort to help support a transparent and trustworthy foundation in ...
www.cos.io
April 10, 2025 at 1:23 PM
Call for collaborators!
We are launching the Replicability Project: Health Behavior (RPHB) to replicate a sample of findings relevant to public health, epidemiology, health policy, and behavioral science.
Teams receive funding for conducting replication studies.
Details: www.cos.io/rphb
We are launching the Replicability Project: Health Behavior (RPHB) to replicate a sample of findings relevant to public health, epidemiology, health policy, and behavioral science.
Teams receive funding for conducting replication studies.
Details: www.cos.io/rphb
Reposted by Angelika Stefan
Want to make nice graphs with me, starting this summer? I am hiring for two PhD positions at the University of Witten/Herdecke.
March 18, 2025 at 3:31 PM
Want to make nice graphs with me, starting this summer? I am hiring for two PhD positions at the University of Witten/Herdecke.
Reposted by Angelika Stefan
Sharing this R resources database with y'all! For the past 4 years, I have been accumulating resources (mainly free ones) for new & advanced #Rlearners in their programming journey. Feel free to share!
resourcesdatabase.com
#RStats #RResources #learningR #DataScience #Python #R
resourcesdatabase.com
#RStats #RResources #learningR #DataScience #Python #R
resouRces - resouRces: Database of Resources to Learn & Teach R
resourcesdatabase.com
September 27, 2023 at 7:02 PM
Sharing this R resources database with y'all! For the past 4 years, I have been accumulating resources (mainly free ones) for new & advanced #Rlearners in their programming journey. Feel free to share!
resourcesdatabase.com
#RStats #RResources #learningR #DataScience #Python #R
resourcesdatabase.com
#RStats #RResources #learningR #DataScience #Python #R