Sign in

Angelika Stefan

@ephemeralidea.bsky.social
1.4K followers 970 following 167 posts

Lecturer at University of Liverpool, psychological methods & computational modeling in psychology, open science advocat. Always asking questions. Loves music, art & good food. She/her

PostsRepliesMedia
Angelika Stefan @ephemeralidea.bsky.social · 29/09/2026
I've always thought my name was easy to spell/pronounce but suddenly in the UK people keep misspelling it, sometimes several times in one e-mail chain, and I'm a bit bemused by it ... Cheers, Angelika. Hi Anjelika,... ... Thanks, Angelika. Hi Angelina,... ... Best, Angelika. Hi Angelica,...
110
Angelika Stefan @ephemeralidea.bsky.social · 19/09/2026
Top-notch German rage bait 😂
121
Angelika Stefan @ephemeralidea.bsky.social · 11/08/2026
Big (and sad) news indeed... I've been using the OSF since I was in undergrad and can't even picture what research life will be without OSF projects.
120
Reposted by Angelika Stefan
Vishnu Sreekumar @vishnusreekumar.bsky.social · 05/08/2026
📢 ***Call for papers at Psychological Science (APS)*** Dr Roni Porat and I are editing a special issue, "From Lab to Life: Psychological Science in the Real World.” Please see the detailed call here (www.psychologicalscience.org/publications...) and send us your best work!
41923
Angelika Stefan @ephemeralidea.bsky.social · 05/08/2026
Journal: Please submit registered reports! Yay, #openscience! Also journal: We just accepted your Stage 2 RR, but could you please shove these pesky design analyses from Stage 1 into an appendix? Your manuscript is really too long 🤡 Am I the only one who finds this weird?
070
Angelika Stefan @ephemeralidea.bsky.social · 18/06/2026
Had a fabulous day in London presenting our project with West Yorkshire Police at the Police STAR Fund event! This is my first funded project as a PI and I am absolutely enthusiastic to work on this for the next year with a fantastic team 😎 @livunipsyc.bsky.social
Conference name badge showing my name and university and the title of the project: "Developing Trustworthy Bayesian Analytics for Risk Assessment in Missing Children Incidents". The badge is blue with a big logo of Science & Technology in Policing.
131
Reposted by Angelika Stefan
Angelika Stefan @ephemeralidea.bsky.social · 03/06/2026
🧑🏻‍🏫 Do you teach statistics? 📊 Have you ever taught ANOVA? ⏰ Do you have 5 minutes to spare? Then participate in our survey and help us improve statistics education! run.pavlovia.org/pavlovia/sur... #stats #edusky #mathsky #scisky #academicsky
run.pavlovia.org
Pavlovia Survey 2025.2.0
078
Angelika Stefan @ephemeralidea.bsky.social · 05/06/2026
Absolutely thrilled to be invited to speak at KCL's Open Research Summer School again! 😎 Join my session on 20th July if you want to hear me talk about why p-hacking is bad and if we can possibly detect it. I'll be looking forward to meeting all the other fantastic speakers and participants! 🤩
070
Angelika Stefan @ephemeralidea.bsky.social · 03/06/2026
🧑🏻‍🏫 Do you teach statistics? 📊 Have you ever taught ANOVA? ⏰ Do you have 5 minutes to spare? Then participate in our survey and help us improve statistics education! run.pavlovia.org/pavlovia/sur... #stats #edusky #mathsky #scisky #academicsky
run.pavlovia.org
Pavlovia Survey 2025.2.0
078
Reposted by Angelika Stefan
Ian Hussey @ianhussey.mmmdata.io · 18/04/2026
I’m hiring a PhD student! The candidate will work alongside @zefreeman.bsky.social, who is joining our research group as postdoc. jobs.unibe.ch/job-vacancie...
jobs.unibe.ch
PhD Student in Meta-Science and Clinical Psychology - Universität Bern
Universität Bern is looking for PhD Student in Meta-Science and Clinical Psychology
47358
Angelika Stefan @ephemeralidea.bsky.social · 08/05/2026
The advantage of Open Educational Resources? Students can still access them when Canvas is down! 😎 #OpenScience #EduSky
031
Angelika Stefan @ephemeralidea.bsky.social · 15/04/2026
Good news, due to data collected over the Easter break, we can conclude: He has significantly risen, p < .05!
Reminder: Invitation to review | Is Statistical Analysis an Appropriate Tool to Apply to the Alleged Resurrection of Jesus?
010
Angelika Stefan @ephemeralidea.bsky.social · 22/01/2026
Interested in discussing how Artificial Intelligence can be helpful or hurtful to academia? 🤖 As a newly minted UKRN (@ukrepro.bsky.social) Local Network Lead, I'm co-organizing a hybrid event about this next Friday (30th January) Join us at @livunipsyc.bsky.social or online via Teams!
Poster showing a robot, saying:

Does AI threaten research integrity?

30th January 2026 10:30-16:30 (Eleanor Rathbone Building 2.62 & online)

Session 1 (11:00-12:00): The Metascience of Peer Review - Guest speaker: Tom Stafford

Session 2 (13:00-14:30): Risks of Chatbots in Online Surveys - Guest speakers: Phoebe Wallman, Alexandra Lautarescu

Session 3 (15:00-16:30): The Uncritical Adoption of AI Technologies in Academia - Guest speakers: Olivia Guest, Iris van Rooij

Sign up here: https://www.ticketsource.co.uk/ukrn-liverpool/does-ai-threaten-research-integrity/2026-01-30/10:00/t-yzqrxyr
25125
Reposted by Angelika Stefan
Aki Vehtari @avehtari.bsky.social · 29/10/2025
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
13022
Reposted by Angelika Stefan
LMU Open Science Center @lmu-osc.bsky.social · 28/10/2025
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...
lmu-osc.github.io
Welcome – FAIR Research Data Management Tutorial
2129
Angelika Stefan @ephemeralidea.bsky.social · 27/10/2025
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
222
Reposted by Angelika Stefan
Björn Siepe @bsiepe.bsky.social · 22/10/2025
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...
14285146
Reposted by Angelika Stefan
Claudia von Bastian @cvonbastian.bsky.social · 17/10/2025
🌟 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
jobs.ac.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.
1311
Angelika Stefan @ephemeralidea.bsky.social · 11/10/2025
Happy to see our paper on p-hacking discussed in @nulliusinverba.bsky.social !
171
Angelika Stefan @ephemeralidea.bsky.social · 20/07/2025
London calling! All psyched to give a talk at the Open Research Summer School at @kingscollegelondon.bsky.social tomorrow!
View from the Golden Jubilee Bridges towards the London Eye, with Westminster and Big Ben in the background
010
Angelika Stefan @ephemeralidea.bsky.social · 02/07/2025
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! 🤯🤯
141
Angelika Stefan @ephemeralidea.bsky.social · 30/06/2025
Anyone else having trouble with the OSF today? Tried uploading some files today and now I keep getting internal server errors... #openscience @cos.io
100
Angelika Stefan @ephemeralidea.bsky.social · 11/06/2025
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!
141
Angelika Stefan @ephemeralidea.bsky.social · 10/06/2025
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!
Poster to call for participants in a research study named "Decision-making based on research outcomes". 

Link to the study: https://livpsych.eu.qualtrics.com/jfe/form/SV_9KKU6B4Rg2DMQ1U
000
Reposted by Angelika Stefan
simine vazire @simine.com · 23/05/2025
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...
psychologicalscience.org
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...
59695
Reposted by Angelika Stefan
Rasmus Bruckner @rasmusbruckner.bsky.social · 19/05/2025
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!
22510
Reposted by Angelika Stefan
David Bindel @dbindel.bsky.social · 16/05/2025
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.
116655
Reposted by Angelika Stefan
Richard D. Morey @richarddmorey.bsky.social · 15/05/2025
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/
Screenshot of the APS program for "Current Issues in Meta-Science", Saturday, May 24, 3:00pmTitles and authors in the session:

* Statistical Power in the Light of Methodological Reform (Jolynn Pek)

* The Poor Statistical Properties of the P-Curve Procedures (Richard Morey)

* Consistent Methods Protect Against False Findings Produced By p Hacking (Duane Wegener)

* Accumulating Evidence across Studies (Blakeley McShane)
24618
Angelika Stefan @ephemeralidea.bsky.social · 04/05/2025
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 😒
010
Reposted by Angelika Stefan
R-Ladies Rome @rladiesrome.bsky.social · 29/04/2025
🎥 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
youtube.com
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...
1126
Reposted by Angelika Stefan
Aki Vehtari @avehtari.bsky.social · 24/04/2025
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
n-kall.github.io
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...
17422
Reposted by Angelika Stefan
Prof Charlotte Hardman @charlottehardman.bsky.social · 22/04/2025
📢 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
tinyurl.com
Job Specification
105
Reposted by Angelika Stefan
Melissa Kline Struhl @mekline.bsky.social · 09/04/2025
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)
psych-ds.github.io
Psych-DS
A specification for psychological datasets. JSON metadata, predictable directory structure, and machine-readable specifications for tabular datasets.
913360
Reposted by Angelika Stefan
James Bland @jamesbland.bsky.social · 18/04/2025
🚩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
2112
Angelika Stefan @ephemeralidea.bsky.social · 17/04/2025
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 😔
021
Reposted by Angelika Stefan
Brian Nosek @briannosek.bsky.social · 10/04/2025
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
cos.io
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 ...
36047
Reposted by Angelika Stefan
Ruben C. Arslan @ruben.the100.ci · 18/03/2025
Want to make nice graphs with me, starting this summer? I am hiring for two PhD positions at the University of Witten/Herdecke.
Treemap chart showing the fragmented landscape of psychological measures.
59473
Reposted by Angelika Stefan
Dr. Joscelin Rocha-Hidalgo 🇧🇴🏳️‍🌈 @joscelinrocha.com · 27/09/2023
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
resouRces - resouRces: Database of Resources to Learn & Teach R
1232118
Reposted by Angelika Stefan
Christoph Scheuch @christophscheuch.bsky.social · 28/02/2025
📢 New R package on CRAN: {owidapi}! Easily pull chart data from @ourworldindata.org into R: fetch data, explore datasets & embed charts in docs & Shiny apps (experimental). Feedback & ideas welcome 🙏
413236
Reposted by Angelika Stefan
Pause @ Real Scientists DE @realscientists.de · 17/02/2025
[Admin] Was fördert und hemmt Vertrauen in Wissenschaft? Begrüßt unsere neue Kuratorin @marlephie.bsky.social! realscientistsde.blogspot.com/2025/02/was-...
realscientistsde.blogspot.com
Was fördert und hemmt Vertrauen in Wissenschaft? Marlene Altenmüller ist jetzt bei Real Scientists DE!
Diese Woche freuen wir uns auf unsere Kuratorin Marlene Altenmüller ( @marlephie.bsky.social ) ! Marlene ist Sozialpsychologin und leitet se...
16012
Reposted by Angelika Stefan
Data Rescue Project #DataRescue @datarescueproject.org · 12/02/2025
Our group has been hard at work to release a new tool: The Data Rescue Tracker. The tool aims to provide a consolidated overview of who is downloading which dataset from which government websites. Please share! www.datarescueproject.org/data-rescue-...
datarescueproject.org
The Data Rescue Tracker
We are excited to introduce the Data Rescue Tracker, a collaborative tool built to catalog existing public data rescue efforts so that we can coordinate better across initiatives. At this stage, you c...
10295230
Reposted by Angelika Stefan
Jack Wilkinson @jdwilko.bsky.social · 07/02/2025
Investigating fraud and errors in health research is obviously laudable. But we need to maintain high methodological standards. That means scrutinising each others’ work, and calling each other out when we err. There are so many errors in error detection. A few recurring errors:
77729
Reposted by Angelika Stefan
Don van Ravenzwaaij @donvanraven.bsky.social · 07/02/2025
After my first year as EiC of Collabra: Psychology, I wrote an editorial with my reflections so far. Featured are some observations about submission triage, author geolocation data, and a registered revisions experiment. @collabrapsychology.bsky.social @improvingpsych.org doi.org/10.1525/coll...
doi.org
General Triage, Geolocation Data, and Registered Revisions: A Peek Under the Hood of Collabra: Psychology
This editorial comes one year after I took the reins of Collabra: Psychology from Simine Vazire. Simine led the journal from 2020 to 2023, and I have had the privilege of working with her during that ...
02313
Angelika Stefan @ephemeralidea.bsky.social · 06/02/2025
How can a company that takes so much money for their product have such a poorly designed, buggy, and undocumented API? So far, I'd always choose SoSciSurvey >> Qualtrics #SoSciSky
010
Angelika Stefan @ephemeralidea.bsky.social · 06/02/2025
I'm against citation-counting as a performance metric, but let's be real, when has being cited not felt like an accomplishment? In other news: I just learned that @nicebread.bsky.social and my p-hacking paper was among the 5 most cited in RSOS in 2023!!! 😱😱😱
email screenshot from the Royal Society stating that the paper 'Big little lies: A compendium and simulation of p-hacking strategies' was one of the top five most highly cited in Royal Society Open Science
141
Angelika Stefan @ephemeralidea.bsky.social · 31/01/2025
After struggling with Qualtrics for hours today, I have to ask: What survey software do you use if you want to embed lots of custom JavaScript code? Is there any software that doesn't make this an absolute pain? #SciSky
021
Reposted by Angelika Stefan
Deutsche Forschungsgemeinschaft @dfg.de · 14/01/2025
Hallo Bluesky! Wir sind die Deutsche Forschungsgemeinschaft. #DFG Als Selbstverwaltungsorganisation der #Wissenschaft in Deutschland fördern wir erkenntnisgeleitete #Forschung. Hier erhaltet Ihr Infos u.a. zu Förderangeboten, Ausschreibungen und Anträgen. Wir freuen uns auf den Austausch!
801877399
Reposted by Angelika Stefan
Protzko @protzko.bsky.social · 13/01/2025
In a study that may surprise some or may surprise no one... Participants don't read consent forms. They spend about 8 seconds on them, older people are more likely to have read , but really 6-17% could have even skimmed. Ethical & practical issues abound. osf.io/npa3b/downlo... #metasky #phdsky
46225
Angelika Stefan @ephemeralidea.bsky.social · 10/01/2025
Can someone with editorial experience explain to me why manuscript review requests always come in batches? Haven't reviewed anything for 3 months, and now I'm at 5 reviews since the start of the year... #SciSky
media.tenor.com
harry potter is surrounded by letters including one that says ' harry potter ' on it
ALT: harry potter is surrounded by letters including one that says ' harry potter ' on it
200
Reposted by Angelika Stefan
Julia M. Rohrer @dingdingpeng.the100.ci · 13/12/2024
Do you know any early career researchers in the UK who have contributed something special to improve research practices? The call for the 2025 Dorothy Bishop award is open now! Nominations close on 26 January 2025. www.ukrn.org/2024/12/12/t...
A picture of a trophy. The real award looks much cooler.
3109138