Reposted by Lena HahnInstitute for Replication @i4replication.bsky.social · 25/09/2026Reproducibility depends heavily on where you start. From authors' final analysis data: ✅: 58.2% fully reproducible 🟡: 32.8% partially reproducible ❌: 9.0% not reproducible From raw data: ✅: 28.4% fully reproducible 🟡: 34.3% partially reproducible ❌: 37.3% not reproducible 196
Reposted by Lena HahnInstitute for Replication @i4replication.bsky.social · 25/09/2026Over the past two years, I4R partnered with Psychological Science (@psychscience.bsky.social) on a large reproducibility project. 67 independent teams reproduced 64 articles published in 2024–2025, about 44% of eligible papers. Paper: www.econstor.eu/bitstream/10... Here's what we learned 🧵 18955
Reposted by Lena HahnAndré Bittermann @abitter.bsky.social · 15/09/2026Reference limits can exacerbate biased citation behavior! In my current commentary article on the work of @kaileylawson.bsky.social, @brettmurpsych.bsky.social, et al. (2025), I provide empirical support for this thesis. Now published #OA @collabrapsychology.bsky.social 👉 doi.org/10.1525/coll... 31816
Reposted by Lena HahnAndré Bittermann @abitter.bsky.social · 08/09/2026When you apply for an academic position in psych, which criteria should be used to evaluate your work? Make your voice count in our brief survey (6-7min)! 👉https://tinyurl.com/zpid-indicators When you're at #DGPs2026 this week, you can get a free @zpid.bsky.social mug! #ResearchAssessment #CoARA 145
Reposted by Lena HahnJohannes Hartig @johartig.fediscience.org.ap.brid.gy · 09/09/2026Probably the most memorable takeaway from the podium discussion on academic freedom on the #dgps2026 : Be prepared to resist from day 1! #fckafd #academicfreedom #DGPs2026 #dgps 161
Reposted by Lena HahnLeibniz-Institut für Psychologie (ZPID) @zpid.bsky.social · 09/09/2026„Populist politics as a threat to academic freedom - Where do we stand?“ 🙌🏼 So important, to discuss! Currently on the panel: @kaisassenberg.bsky.social @lenahahn.bsky.social @lewan.uk Dieter Frey & G.-Jürgen Hogrefe @dgps.bsky.social #DGPs2026 #zpid @unitrier.bsky.social 0125
Lena Hahn @lenahahn.bsky.social · 01/09/2026Excited and looking forward to the panel discussion with @kaisassenberg.bsky.social @evalottabrakemeier.bsky.social @rimamrahal.bsky.social @lewan.uk & G.-J. Hogrefe on populist politics as a threat to academic freedom at #DGPs2026 📆Wednesday, 9 September, 🕧1:45PM, 📍 Room Plenary 1 #psychscisky 0148
Reposted by Lena HahnBeth Clarke @bethclarke.bsky.social · 21/08/2026I’m hiring a PhD student to work with me on metascience in psychology at @zpid.bsky.social! The position is very open - could cover a wide range of topics/themes 🤸🏻♀️✨ If you have questions, please reach out! Applications are open until October 1st. leibniz-psychology.onlyfy.jobs/en/job/fyjwt...leibniz-psychology.onlyfy.jobsPhD in Psychological Meta-Science (m/f/d)Become part of the open science movement The Leibniz Institute for Psychology Information (ZPID) in Trier (Germany) is an internationally recognized research-based psychology service center located in... 36157
Reposted by Lena HahnLeibniz-Institut für Psychologie (ZPID) @zpid.bsky.social · 17/08/2026Regarding the changes at the OFS: 0136
Reposted by Lena HahnUniversität Trier @unitrier.bsky.social · 13/07/2026Immer auf dem Laufenden zur Uni Trier! 💯 Ab sofort findet ihr hier das Bluesky-Startpaket eurer liebsten Hochschule. Alle Profile von Mitarbeitenden und Institutionen auf einen Blick. Wer fehlt noch? Oder ist etwas nicht mehr aktuell? Schreibt einen Kommentar oder eine DM! bsky.app/starter-pack... 076
Reposted by Lena HahnMarlene Altenmüller @marlephie.bsky.social · 04/07/2026Researchers in moral psych: @sarahmlr.bsky.social is now presenting the newly developed and validated eMFV vignettes at #EASP2026, assessing moral wrongs AND upholdings across different contexts and for all moral foundations. Reach out to her if you’re interested in using the vignettes! 🤓 083
Reposted by Lena HahnMarlene Altenmüller @marlephie.bsky.social · 03/07/2026Closing our day on science reception at #EASP2026 with intense poster discussions! I presented an overview of the ambivalent effects of sharing personal details in scicomm and @kduermeier.bsky.social shared our data revealing scientists’ critical perspectives on Citizen Science. #SciReLab 0103
Reposted by Lena HahnMarlene Altenmüller @marlephie.bsky.social · 03/07/2026Now @lenazohm.bsky.social shares her research on expert trespassing: people do - at least somewhat - recognize it when scientists transgress the boundaries of their expertise and this might lead to (small) losses of trust. #SciReLab 274
Reposted by Lena HahnWhitney Agunyego @wagunyego.bsky.social · 02/07/2026Had a great time presenting my current work on epistemic injustice and trust in science at my first #EASP2026. Thanks for all the feedback! Happy to be part of the conference! 0133
Reposted by Lena HahnMarlene Altenmüller @marlephie.bsky.social · 01/07/2026Now at #EASP2026: The symposium organized by @svenjabfrenzel.bsky.social and @kaisassenberg.bsky.social discusses how people high in conspiracy beliefs might be drawn to deviance such as trusting “outlaws” and supporting non-normative action. 👽 064
Reposted by Lena HahnMarlene Altenmüller @marlephie.bsky.social · 01/07/2026Bringing together psychology of science, computational methods, and social psych to explain how social influence spreads within academic (online) communities: It’s not so much single academic influencers but the community that drives change. Great talk by @abitter.bsky.social at #EASP2026! 🤓 092
Reposted by Lena HahnKai Sassenberg @kaisassenberg.bsky.social · 24/06/2026@marlephie.bsky.social and I are searching for a postdoc in SciComm research. Feel free to contact us before applying! 065
Reposted by Lena HahnMarlene Altenmüller @marlephie.bsky.social · 24/06/2026🚨JOB ALERT🚨 3 YEAR POSTDOC in #SciComm research at @zpid.bsky.social! @kaisassenberg.bsky.social and me are searching for a postdoc with background in psychology or communication science. Own research ideas are welcome! Focus should be on societies' preparation for future pandemics. Please share!leibniz-psychology.onlyfy.jobsApplication ProcessApply now 11620
Reposted by Lena HahnIsabel Kreis @ivkreis.bsky.social · 30/05/2026At #aps26bcn now (10:00): Interested in the interplay between social factors and counterfactual thoughts in the aftermath of trauma? Come check out my brilliant colleague's poster, number 83 :) 👇 061
Reposted by Lena HahnAmanda Kay Montoya @akmontoya.bsky.social · 29/05/2026Great talk by @lenahahn.bsky.social on how #preregistration compares to the published papers. Evidence of HARKing persists! 072
Lena Hahn @lenahahn.bsky.social · 29/05/2026Come to our symposium with @kaisassenberg.bsky.social and @marlephie.bsky.social on Transparency in the Reseach Cycle at #APS26BCN. Today 🕧12:30PM, 📍 Room 125 (P1 Level, CCIB). #psychscisky 052
Reposted by Lena HahnLisa Spitzer @lspitzer.bsky.social · 27/05/2026Join our Mini-Hackathon and help us draft community-driven best-practice guidelines for preregistration!✨ 🗓️ Friday, June 5, 4-6 PM CET 📍 Zoom Register by indicating your interest in participating in the #prereg community events here: forms.gle/yrmK8Wnd4oqw... @zpid.bsky.social @forrt.bsky.socialforms.gleBest-Practice Guidelines for PsychologyThank you for your interest in being part of our community project "Best Practices in Psychology"! For more information on the project, please refer back to our website: https://forrt.org/best-practic... 086
Lena Hahn @lenahahn.bsky.social · 13/05/2026Excited and looking forward to the symposium with @kaisassenberg.bsky.social & @marlephie.bsky.social on Transparency in the Research Cycle at #APS26BCN. If you are interested in #openscience and #metasci save the date: 📆Firday, 29 May, 🕧12:30PM, 📍 Room 125 (P1 Level, CCIB) #psychscisky 084
Reposted by Lena HahnBernhard Pastötter @pastotter.bsky.social · 12/05/2026You can also follow the organization behind it here: @zpid.bsky.social - ZPID is based at the @unitrier.bsky.social 171
Reposted by Lena HahnMarlene Altenmüller @marlephie.bsky.social · 07/05/2026Today, @lenahahn.bsky.social and me got to join the opening of the amazing new 🌿FLORA🌾 exhibition in Mainz. Reawakening and reimagining old, medieval plant knowledge via new and innovative media techniques. And right in the middle: our psychological research on art and scicomm. 🤩 092
Reposted by Lena HahnLisa Spitzer @lspitzer.bsky.social · 06/05/2026We're launching a project I'm really passionate about at #SIPS2026 Online today: ✨Community-driven & Consensus-based Best Practices for Psychology✨ If you're at SIPS, consider joining! @improvingpsych.org Check out our project website & get involved here: forrt.org/best-practic... #OpenScienceforrt.orgBest-Practice Guidelines for PsychologyA community-led project to develop consensus-based best-practice guidelines for open science in psychology. 185
Reposted by Lena HahnMarlene Altenmüller @marlephie.bsky.social · 30/03/2026📣 Dear #CitizenScience crowd! 📣 This October (5+6), we are organizing a SYMPOSIUM in collab with @pcstnetwork.bsky.social at the wonderful @mfnberlin.bsky.social in Berlin. We welcome PRACTICAL and RESEARCH perspectives on "Building Knowledge Together: #CitizenScience, #Communication & #Trust".tu-braunschweig.deBuilding Knowledge Together: Citizen Science, Communication, and Trust 163
Reposted by Lena HahnKai Sassenberg @kaisassenberg.bsky.social · 31/03/2026How does Nazi propaganda influence the emotions of Germans today? In a registered report in EJSP Lara Ditrich, Katharina Bernecker and I tested the affective consequences of Nazi propaganda pictures shown among pictures of Nazi terror on recipients emotions. onlinelibrary.wiley.com/doi/10.1002/...onlinelibrary.wiley.comVicious Pictures? How National Socialist Propaganda Glorifying Adolf Hitler Affects Contemporary Viewers' EmotionsThe atrocities committed during the Nazi era still affect Germany's image in the world and Germans' feelings about their country's past. Herein, we investigate how historical propaganda images glorif... 183
Reposted by Lena HahnFrederic R. Hopp @fhopp.bsky.social · 25/03/2026Moral psychology flourishes because of our variation in moral values both within and across cultures. I'm happy to see that our registered report protocol for developing and validating the MFQ-2 in German populations is out now! Next up: Data collection and analysis ⚖️ 💻journals.plos.orgValidation of the moral foundations questionnaire-2 (MFQ-2) in Germany: Psychometric properties and associations with political ideology, religiosity, and personalityCross-cultural moral psychology requires robust, validated measures. The Moral Foundations Questionnaire-2 (MFQ-2) is a recent revision of the original MFQ that offers improved assessment of moral int... 0166
Lena Hahn @lenahahn.bsky.social · 25/03/2026Since April 1st, 2024, cannabis is legal in Germany – no April fool's joke! In our new publication (with @doomed-generation.bsky.social & @kaisassenberg.bsky.social), we ask: What are antecedents of recreational cannabis consumption? 🧵 doi.org/10.1177/0047...doi.orgSage Journals: Discover world-class researchSubscription and open access journals from Sage, the world's leading independent academic publisher. 155
Reposted by Lena HahnKai Sassenberg @kaisassenberg.bsky.social · 19/03/2026New preprint available: Transparency and open data are important. In contrast to Elson et al. (2026) doi.org/10.31234/osf..., who have called for non-anonymized data in metascience, we argue for a more nuanced approach to prevent unjustified harm for authors of original work doi.org/10.31234/osf...doi.orgOSF 194
Reposted by Lena HahnKai Epstude @kaiepstude.bsky.social · 15/03/2026Looking forward to meeting everyone at the EASP small group meeting on "Counterfactual thinking and its role in cognition and communication" starting later today here in Groningen sites.google.com/rug.nl/count...sites.google.comCounterfactual meeting 012
Reposted by Lena HahnKai Epstude @kaiepstude.bsky.social · 03/03/2026We're looking for a PhD student working on the (mis)perception of social norms in social networks (in collaboration with Vincent Buskens at Utrecht University). Deadline: April 1, 2026. More information here: socion-program.org/vacancy/phd-...socion-program.orgPhD position-The (Mis)Perception of Social Norms in Dynamic Social Networks - SOCION 098
Reposted by Lena HahnLena Hahn @lenahahn.bsky.social · 19/02/2026How strong is the threat to academic freedom? If you are a publishing psychologist, please help us get a better understanding of the threats due to external pressure and self-censorship in the publication process by taking our 5-10 min anonymous survey: t1p.de/t1qof Results will be shared here! 11314
Reposted by Lena HahnLeibniz-Institut für Psychologie (ZPID) @zpid.bsky.social · 19/02/2026💥 Academic freedom - so important! Please help our research team and take time for their survey: 045
Lena Hahn @lenahahn.bsky.social · 19/02/2026How strong is the threat to academic freedom? If you are a publishing psychologist, please help us get a better understanding of the threats due to external pressure and self-censorship in the publication process by taking our 5-10 min anonymous survey: t1p.de/t1qof Results will be shared here! 11314
Reposted by Lena HahnLeibniz-Institut für Psychologie (ZPID) @zpid.bsky.social · 17/02/2026We are hiring 👉 Postdoctoral Researcher (f/m/d) Would you like to start working at our beautiful institute this coming spring? #psychology #openscience #metascience Find out more here: leibniz-psychology.onlyfy.jobs/job/ylp9kss4leibniz-psychology.onlyfy.jobsPostdoctoral Researcher (f/m/d) 017
Reposted by Lena HahnMarlene Altenmüller @marlephie.bsky.social · 16/02/2026Also calling on a couple of feeds - thanks to all who already participated! 😊 #socialpsyc #psycsci #psychscisky #psychologie #academicsky #OpenSci #PhDSky 042
Reposted by Lena HahnMarlene Altenmüller @marlephie.bsky.social · 11/02/2026Dear colleagues - we want to better understand perceptions of data fraud and its detection and need your support! Are you currently a #researcher in #psych (or related fields) working with #data? Perfect - please respond to & share this short study (7min): sosci.rlp.net/detection/?r... Thank you!! 🫶sosci.rlp.netFragebogen | Seite 1 11417
Reposted by Lena HahnMarlene Altenmüller @marlephie.bsky.social · 05/01/2026🚨 Deadline tomorrow! 🚨 154
Reposted by Lena HahnMarlene Altenmüller @marlephie.bsky.social · 26/11/2025You are someone who does quantitative #metascience? Want to do this as a #professor? With a research-focused, tenure-track position in Germany? At a great institute with a super smart and fun team? This one is for you! 🤗 11512
Reposted by Lena HahnKai Sassenberg @kaisassenberg.bsky.social · 26/11/2025At ZPID we are searching for a tenure track assistant professor for Psychological Metascience in joint appointment with @unitrier.bsky.social preferably someone who has conducted quantitative research in metascience in psychology or related disciplines. Questions? Feel free to contact me personally. 01718
Reposted by Lena HahnTom Hardwicke @tomhardwicke.bsky.social · 26/11/2025Job opportunity — Junior Professorship in Psychological Metascience @zpid.bsky.social leibniz-psychology.onlyfy.jobs/job/10kku5n7 h/t @bethclarke.bsky.social 12323
Reposted by Lena HahnBenjamin Buttlar @benjaminbuttlar.bsky.social · 11/11/2025🧵 New paper alert! People enjoy eating meat but often feel uneasy when being reminded that it comes from animals. To understand how people avoid this conflict, our new study explores how food preparation helps people mentally separate meat from its animal origins. Here’s what we found 👇 1/9 142
Reposted by Lena HahnMarlene Altenmüller @marlephie.bsky.social · 03/11/2025Researchers are often advised to "reveal the person behind the science" in #scicomm to appear more approachable and trustworthy to their audiences. But does this really work? 🤔 In this short piece for Current Opinion in Psych, I review the recent literature... 👇 1/3 doi.org/10.1016/j.co...doi.orgRedirecting 3239
Reposted by Lena HahnKai Sassenberg @kaisassenberg.bsky.social · 21/10/2025In a new preprint led by @abitter.bsky.social we tested whether open data is useful for reproducibility and usage based on automated and human assessment of data FAIRness. The short answer is: in the majority of cases not really. For more information 👇 033
Reposted by Lena HahnKai Epstude @kaiepstude.bsky.social · 21/10/2025The deadline for the meeting on counterfactuals is coming up. Don't forget to send in your contribution. 026
Lena Hahn @lenahahn.bsky.social · 21/10/2025Great work by @abitter.bsky.social @mariogollwitzer.bsky.social @kaisassenberg.bsky.social @t-1m.bsky.social et al. on FAIR data sharing in Psychology. They also suggest 6 simple checks that can be implemented in the editorial process to improve data FAIRness. 01610
Reposted by Lena HahnKai Epstude @kaiepstude.bsky.social · 24/09/2025We're organizing an EASP small group meeting on counterfactuals in March 2026. More details can be found here: www.easp.eu/news/itm/eas... 094
Reposted by Lena HahnBenjamin Buttlar @benjaminbuttlar.bsky.social · 01/09/2025Do you sometimes feel torn when making decisions, like whether to eat unhealthy food or recycle? This is called felt ambivalence: a psychological discomfort from having mixed feelings about something. Check out our new work to know how people resolve such conflicts: doi.org/10.1016/j.je... 🧠💥 1/10doi.orgRedirecting 286