Reposted by Constantin SpäthAmitai Shenhav @ashenhav.bsky.social · 28/09/20262 yrs ago, I briefly laid out a new theory of how motivation works (AGH). Here, I expand on the problems AGH was trying to solve, why they are hard to solve, what my solution looks like, and how this should change our understanding of thoughts & actions. osf.io/preprints/ps... 🧵A few highlights: 16637
Constantin Späth @cspaeth.bsky.social · 22/09/2026Scientific norms derived from a philosophy of science should perhaps not be viewed as “restrictive rules,” but rather as “enabling conditions” 000
Constantin Späth @cspaeth.bsky.social · 19/09/2026Great thoughts on replications! @uyguntunc.bsky.social I’d vote for an additional educational version that is, as far as possible, jargon-free and suitable for undergraduate students. :) bsky.app/profile/phil... 152
Reposted by Constantin SpäthPhilSci-Archive @philsci-archive.bsky.social · 29/05/2026New on the Archive: Uygun Tunc, Duygu (2026) What is an informative replication? In: UNSPECIFIED. philsci-archive.pitt.edu/29781 042
Reposted by Constantin SpäthDan Quintana @dsquintana.bsky.social · 19/09/2026New preprint! 🎉 I analysed 1660 papers from 4 psychology journals and found materials sharing went from 9% of papers in 2015 to 82% in 2025, and these materials *do* get downloaded — a median of 135 times each. BUT shared code is often hard to run. doi.org/10.31234/osf... Let's walk through it 🧵 4265113
Constantin Späth @cspaeth.bsky.social · 16/09/2026Great idea to incorporate undergraduate students in sports science as well to replicate studies! meta-student.commeta-student.comMeta-Student | Sports Science Replication CentreSubmit your final-year project data and earn co-authorship on peer-reviewed meta-analyses in sports science. 000
Reposted by Constantin SpäthFramework for Open and Reproducible Research Training @forrt.bsky.social · 16/09/2026Give your peer review to the journals that give back. Diamond open access journals don't charge authors to publish or readers to access; they run on community effort, for the community's benefit. Pledge one review a year and help sustain the research community. forrt.org/diamond-reviewer 086
Reposted by Constantin SpäthJulia M. Rohrer @dingdingpeng.the100.ci · 14/09/2026Did you know that there’s only a single letter separating an “idionomic clinical workflow” from an “idiotnomic clinical workflow”? I haven’t managed to write my screed about cluster analysis yet, here’s another blog post in the meantime: www.the100.ci/2024/10/28/i...the100.ciIdiographic Approaches in Psychology: Hold your horsesThere have been persistent calls spurring psychologists to do more “idiographic” research, starting even before Peter Molenaar’s “Manifesto on Psychology as Idiographic Science”, which is already 20 y... 73912
Reposted by Constantin SpäthMatthew B. Jané @matthewbjane.bsky.social · 13/09/2026I’ve been quiet on social media lately, but today I’m launching Audit Clinical Evidence (ACE), an initiative I’ve been developing over the past year. Take a look: AuditClinicalEvidence.orgauditclinicalevidence.orgACEIndependent audits of published clinical research for statistical errors, data inconsistencies, and research integrity violations. 89132
Reposted by Constantin SpäthDaniel Lakens @lakens.bsky.social · 11/09/2026Journals should stop offering to store supplemental information. Everything that is shared with a paper should have it's own DOI, and live in a proper repository. As authors, link to files (e.g., Zenodo), but never add them as supplemental files. 5469
Reposted by Constantin SpäthSaloni @scientificdiscovery.dev · 05/09/2026By the way, if you enjoyed that, you might also enjoy Giving What We Can's version of the birth lottery. It's a random generator for people born today: www.givingwhatwecan.org/birth-lotterygivingwhatwecan.orgBirth LotteryIf you were reborn today, where would you land? And how would that change your life? 0215
Reposted by Constantin SpäthJulia M. Rohrer @dingdingpeng.the100.ci · 27/08/2026Psychological Science special issue call 📣 Ever had your research denigrated bc it's "only descriptive", "what's the mechanism though?" and "but what are the theoretical implications?" Now has come your time to shine. Send your best descriptive work! www.psychologicalscience.org/publications... 7244128
Reposted by Constantin SpäthSajedeh Rasti @sajedehra.bsky.social · 25/08/2026Join us on October 8–9 at TU Eindhoven for two days of metascience, including a hands-on workshop, hackathons, research presentations, and keynote talks 🔸️Free to attend, but registration is required. Check out the program and details here: paulmeehlschool.github.io/workshops/sy...paulmeehlschool.github.ioPaul Meehl Graduate School Meta Research Symposium 2026 | Paul Meehl Graduate SchoolOctober 8-9, 2026 01813
Reposted by Constantin SpäthBeth 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 Constantin SpäthDaniel Lakens @lakens.bsky.social · 17/08/2026The fact that this view is even remotely controversial is a good illustration of what you could call 'mindless reform' - changes that are not improvements. Preregistration of secondary data analysis does not coherently follow from any philosophy of science. Just use an open lab notebook instead. 1102
Reposted by Constantin SpäthDaniel Lakens @lakens.bsky.social · 15/08/2026New Blog post: Which Data Repository Should you Use? In light of OSF closing down, I compare Zenodo, Dataverse, ResearchBox, PsychArchive, and local repositories on six important dimensions. If you want to know which to pick: It depends! daniellakens.blogspot.com/2026/08/whic...daniellakens.blogspot.comWhich Data Repository Should You Use?The Center for Open Science has announced that from November 16, 2026, no new projects can be created on the Open Science Framework. After F... 4197111
Constantin Späth @cspaeth.bsky.social · 12/08/2026A wise person doesn't just ask "What do I know?". A wise person will ask: "How do I know it? For whom might it be true? Under what conditions has it been true? What does my experience help me see? And what might what I think I know prevent me from seeing?" www.youtube.com/watch?v=t4sM...youtube.comRunning WiseYouTube video by Just Another Runner 000
Reposted by Constantin SpäthDan Quintana @dsquintana.bsky.social · 11/08/2026This is also a good reminder that scientific infrastructure is not free. Very easy to forget when the service *itself* is free. 0335
Reposted by Constantin SpäthCenter for Open Science @cos.io · 11/08/2026COS is announcing important changes to the Open Science Framework (OSF). OSF Projects—used for project collaboration, file mgmt, & storage—is being phased out as an active workspace over the next 6 months. This change does not affect persistence & accessibility of existing public projects. (🧵1/2) 53945
Reposted by Constantin SpäthPeder M Isager @isager.bsky.social · 11/08/2026In practice, I think I would normally recommend a sequential analysis approach with a max N set to the number of participants you can afford, but with the option of stopping early if power is high for the TST before max N is reached. lakens.github.io/statistical_...lakens.github.io10 Sequential Analysis – Improving Your Statistical InferencesThis open educational resource contains information to improve statistical inferences, design better experiments, and report scientific research more transparently. 011
Constantin Späth @cspaeth.bsky.social · 08/08/2026A little progress in sport and exercise psychology regarding sample sizes: www.sciencedirect.com/science/arti...sciencedirect.com 000
Reposted by Constantin SpäthKatrin Weller @kwelle.bsky.social · 04/08/2026*JOB* My group at @gesis.org has an open position: we are looking for a candidate to support the expansion of our Trusted Research Environment for providing access to sensitive research data: gesis.jobs.personio.de/job/2707934?...gesis.jobs.personio.deResearch Infrastructure Specialist (Postdoc) for Trusted Research Environments (DSS-26) | Jobs at GESIS – Leibniz-Institut für SozialwissenschaftenGESIS is one of the world's leading social science infrastructure facilities, supporting researchers at all levels of their research projects with expertise and infrastructure services. We help ensure... 12226
Reposted by Constantin SpäthDaniel Lakens @lakens.bsky.social · 31/07/2026I have a renewed appreciation for the statistical software packages Jamovi and JASP. Use them! In terms of reproducibility, they can't be beat. Archiving the data, code, and output in a single file is a genius move. Achieving the same reproducibility in R is very hard work. 0202
Reposted by Constantin SpäthLisa DeBruine @debruine.bsky.social · 29/07/2026I agree! I also think that papers should originate on the lead author’s institutional repository and the only journals are overlay journals run by learned societies. 071
Constantin Späth @cspaeth.bsky.social · 27/07/2026link.springer.com/article/10.1...link.springer.comAffective memories of school physical education, life-phase timing of formative experiences, and adult sport and exercise participation: a quota-representative study in Germany - BMC Public HealthBackground School physical education (PE) is one of the few contexts in which nearly all individuals encounter structured movement. We explored whether adults’ PE memories relate to sport and exercise... 000
Reposted by Constantin SpäthPsyArXivBot @psyarxivbot.bsky.social · 23/07/2026Uncertainty in Psychology Research Articles: The Evolution of Its Frequency Between 2005 and 2020: osf.io/qz96d 001
Reposted by Constantin SpäthCenter for Advanced Internet Studies @cais-research.bsky.social · 23/07/2026📢 Jetzt bewerben! Für den Bereich Wissenschaftliche Politikberatung & Forschung suchen wir eine Person auf PostDoc-Level (all genders). 📍Bochum & mobiles Arbeiten 📄 Vollzeit, TV-L E13, unbefristet 📅 Bewerbungsfrist: 30.08.2026 🔗 stellenangebote.cais-research.de/de?id=e22ee7 #Stellenangebot #Bochum 036
Reposted by Constantin SpäthBeth Clarke @bethclarke.bsky.social · 15/07/2026If you had to guess, what proportion of social/personality psych articles include a claim that the findings can be applied in the real world? 53514
Reposted by Constantin SpäthDaniel Lakens @lakens.bsky.social · 15/07/2026We are hiring an assistant professor in Metascience! Join our lovely department of Human-Technology Interaction, with a very active Metascience group, at Eindhoven University of Technology. Apply here before August 14, or share the vacancy in your network! www.tue.nl/en/working-a...tue.nlAssistant Professor in MetasciencePersonal type: Scientific staff 06260
Reposted by Constantin SpäthJamie Cummins @jamiecummins.bsky.social · 14/07/2026Today we launch the first stable release of RegCheck: v1.0.0. RegCheck makes it easier and quicker to compare study registrations to published papers for consistency - something we know is important in principle, but rarely done in practice. A 🧵 on what's new: regcheck.appregcheck.appRegCheckRegCheck is an AI tool to compare preregistrations with papers instantly. 512783
Reposted by Constantin SpäthJamie Cummins @jamiecummins.bsky.social · 08/07/2026WE ARE HIRING! Come work with us (me + @malte.the100.ci) on developing and validating RegCheck. PhD or postdoc applications welcome. Folk with backgrounds in meta-science, psychology, (pre)clinical trials, and/or economics are especially invited to apply. jobs.unibe.ch/job-vacancie...jobs.unibe.chPhD Student/ Postdoc Position in Meta-Science - Universität BernUniversität Bern is looking for PhD Student/ Postdoc Position in Meta-Science 15648
Constantin Späth @cspaeth.bsky.social · 07/07/2026Powering a superiority trial is challenging: when the SESOI defines the null hypothesis, what superiority margin exceedance should the study be powered to detect? Are there any applied examples? @isager.bsky.social @lakens.bsky.social @jamessteeleii.bsky.social 121
Reposted by Constantin SpäthLisa DeBruine @debruine.bsky.social · 25/06/2026Tip for senior authors, too… 3435
Reposted by Constantin SpäthConstantin Späth @cspaeth.bsky.social · 25/06/2026Recommendation for all junior authors in the affect paradigm of exercise psychology: bsky.app/profile/cspa... 022
Reposted by Constantin SpäthJEP: Human Perception and Performance @jephpp.bsky.social · 25/06/2026Tip for junior authors: A power analysis is only as good as the effect size you feed it. "Medium" is not a justification. Tell us whether your effect size comes from prior empirical work (justifying that choice) or from theory (e.g., the smallest effect you'd care to detect). #cogpsyc #AcademicSky🧪 42710
Reposted by Constantin SpäthKristoffer Magnusson @rpsychologist.com · 25/06/2026New interactive blog! "Why Adjusted Regression Coefficients Are Less Descriptive Than They Look" rpsychologist.com/descriptive-... 1520769
Reposted by Constantin SpäthDaniel Lakens @lakens.bsky.social · 21/06/2026Integrative experiments - where effects are tested across auxiliary assumptions - are a more useful tool than multiverse analysis and many analyst studies. If you like to ponder the philosophical basis of statistical procedures, you might enjoy this paper! osf.io/preprints/ps...osf.ioOSF 173
Reposted by Constantin SpäthDaniel Lakens @lakens.bsky.social · 21/06/2026New preprint: There is only one correct analysis. osf.io/preprints/ps... with @sajedehra.bsky.social and @mntunc.bsky.social We take a critical look at recent proposals for multiverse or many analyst procedures, and strongly argue that epistemic uncertainty should be reduced, not “embraced”. >osf.ioOSF 55823
Reposted by Constantin SpäthConstantin Späth @cspaeth.bsky.social · 04/06/2026New Paper (open access): www.sciencedirect.com/science/arti...sciencedirect.comFrom arbitrary metrics to meaningful change: Empirical smallest effect sizes of interest for the Feeling Scale during exerciseResearch addressing changes in affective valence during exercise is often difficult to interpret because such changes are typically expressed on arbit… 486
Reposted by Constantin SpäthDaniel Lakens @lakens.bsky.social · 10/06/2026If you prefer to read open access texts, then read our more extensive overview (submitted to Meta-Psychology) here: osf.io/preprints/ps... I'm extremely proud of the excellent work Sajedeh is doing - she is an incredibly talented young scholar.osf.ioOSF 0122
Reposted by Constantin SpäthZ-curve @replicationindex.com · 09/06/2026What are standardized standard errors and why are they useful but ignored? replicationindex.com/2026/06/08/h...replicationindex.comHypothesis Testing and Estimation with Standardized Standard Errors - Replicability-IndexInferential statistics in psychology lacks a unified practice. Debates about statistical inference tend to organize around a 2 × 2 structure: one dimension distinguishes frequentist from Bayesian appr... 0136
Reposted by Constantin SpäthDaniel Lakens @lakens.bsky.social · 08/06/2026With Deborah Mayo, Kent Staley, and Wendy Parker we are editing a special issue of Synthese on "Severity and Learning from Error": link.springer.com/collections/... Deadline for submissions is the 15th of December, 2026. If this is a topic that you are interested in, consider contributing!link.springer.comSeverity and Learning from ErrorThis Topical Collection examines how inquiry learns from error by focusing on a basic principle of evidence in science, statistics, medicine, law, ... 0146
Reposted by Constantin SpäthChris Hanretty @chanret.bsky.social · 04/06/2026but works in incognito mode!? 111
Constantin Späth @cspaeth.bsky.social · 04/06/2026New Paper (open access): www.sciencedirect.com/science/arti...sciencedirect.comFrom arbitrary metrics to meaningful change: Empirical smallest effect sizes of interest for the Feeling Scale during exerciseResearch addressing changes in affective valence during exercise is often difficult to interpret because such changes are typically expressed on arbit… 486
Reposted by Constantin SpäthDaniel Lakens @lakens.bsky.social · 29/05/2026If you are sad we haven't released a podcast for a while, and you'd like to hear me talk about coordination in science (and why it is such an important solution to many of the challenges we have been facing for decades), see my recent talk here: youtu.be/g8LFwyQsML8?...youtu.beBig Ideas Series - Daniël Lakens on Coordination in ScienceTalk outline: In recent years scientists in many disciplines have had to raise the bar to improve the reliability of their findings. The increasing realization that fields should perform more… 1103