Reposted by Harry D. CoulsonGiving Multiplier @givingmultiplier.bsky.social · 52mHow can behavioral science create a new way to give? 🧪 Learn how our founders' original academic research on donor psychology has helped thousands of people give joyfully and with greater impact: harvardmag.com/2023/04/right-now-charitable-giving 021
Reposted by Harry D. CoulsonVera Wilde @verawil.de · 14hToday I start teaching Data Science for Punks* at TUM Heilbronn. A methods manifesto: Question the p < .05 rule Draw the DAG Beware the collider Respect the base rate Preregister Model the data-generating process DIY or die wildetruth.substack.com/p/data-scien... (*AKA Business Research Methods) 5275
Reposted by Harry D. CoulsonLukas Röseler @aufdroeseler.bsky.social · 05/10/2026What do we expect of robustness reproductions in the age of AI? Help us find out at the Münster Reprohack workshop from December 2-4. We will conduct AI-led and human-led robustness reproductions, that are subsequently submitted to @r2journal.bsky.social Apply at indico.uni-muenster.de/e/reprohackindico.uni-muenster.deReproHackReproHack: Join us for a mentored three-day reproduction hackathon! Background When building on past research, we rely on it being correct and robust - and yet, these characteristics are rarely assess... 01010
Reposted by Harry D. CoulsonBig Team Science Conference @btscon.bsky.social · 06/10/2026#BTSCON2026 starts soon! We can’t wait to celebrate another year of big team science with all of you! 🥰 @psysciacc.bsky.social @manybabies.org @manyprimates.bsky.social @manydogsproject.bsky.social @manylanguagesc.bsky.social @cos.io @forrt.bsky.social @abrir.bsky.social @reproducibilitea.orgbigteamscienceconference.github.ioBig Team Science ConferenceThe goal of the Big Team Science Conference is to bring together a multidisciplinary group of researchers, funders, and stakeholders to discuss advancements, challenges, and future opportunities relat... 01913
Reposted by Harry D. CoulsonHenrik Singmann @singmann.bsky.social · 01/10/2026Just opened: UBEL PhD studentships (eg at UCL): ubel-dtp.ac.uk/esrc-student... Reach out if you are interested in working with me on computational modelling in decision-making, memory, etc. or quantitative psych. 1st deadline: 30 October Unfortunately, only few places for international students.ubel-dtp.ac.ukESRC Studentships Main Competition - UBEL DTPESRC Studentships Main Competition The UBEL DTP’s fully funded ESRC studentships cover full payment of tuition fees per year and an annual maintenance stipend. What’s on offer UBEL DTP studentships co... 076
Reposted by Harry D. CoulsonKristian Steensen Nielsen @kristiansn89.bsky.social · 25/09/2026🎯 What should we expect from behavior change interventions? Growing evidence suggests that most behavior change interventions have small effects on behavior. I regularly hear fellow behavioral scientists understandably feeling discouraged by this. But should we be discouraged? Not necessarily.🧵 44617
Reposted by Harry D. CoulsonAlex Holcombe @alexh.bsky.social · 21/09/2026If we have to call them Type 1 / 2 instead of false positive and false negative, use this mnemonic: the boy who cried wolf caused both Type I & Il errors, in that order. 14214
Reposted by Harry D. CoulsonFramework for Open and Reproducible Research Training @forrt.bsky.social · 17/09/2026🚀Making Replications Count Hackathon🚀 create open source tools that make replication studies impossible to ignore. 📅11th-13th November 2026 Münster, Germany ✈️ Travel & accommodation covered Looking for coders, data wranglers, UX folks & open science enthusiasts Apply: indico.uni-muenster.de/e/marco3 054
Reposted by Harry D. CoulsonKevin O’Neill @kevingoneill.github.io · 17/09/2026New commentary! Are scientists and laypeople alike under persistent illusions of understanding? Shiffrin, Stigler, & Keil (2026) seem to think so. I argue this isn't the case w/ @sharonchungsl.bsky.social, Adam Harris, @davidlagnado.bsky.social & @singmann.bsky.social: rdcu.be/3swzbgH3ePvardcu.be 12513
Reposted by Harry D. CoulsonLukas Röseler @aufdroeseler.bsky.social · 16/09/2026Oh boy. I owe academia about 45 reviews. I am sorry. Please invite me as a reviewer! Apart from writing a review during #PeerReviewWeek I cleaned up my own tracker and you can read most of my reviews since 2024 online on a page on my Uni's gitlab: lroesele.zivgitlabpages.uni-muenster.de/reviews/ 151
Reposted by Harry D. CoulsonFramework for Open and Reproducible Research Training @forrt.bsky.social · 14/09/2026Peer review is a gift researchers give to the field, worth >$1B globally in 2020. Imagine if more of that generosity flowed straight back into the scholar-led journals that make research free to read and free to publish. Help build that future, become a diamond reviewer forrt.org/diamond-reviewer 22824
Reposted by Harry D. CoulsonZahra Rahmani @zah-rahmani.bsky.social · 11/09/2026[As promised some details on our new preprint] What happens when people freely choose information about climate policies? For 4 climate food policies, participants from 15 countries from the Global South and North sampled arguments: either for or against the policy, or unrelated trivia. 132
Reposted by Harry D. CoulsonChris Krupenye @chriskrupenye.bsky.social · 10/09/2026🚨 PhD position in human, nonhuman primate, and/or dog cognition! I am thrilled to be reviewing applicants this year for a new PhD student to join the Social & Cognitive Origins Group in the Department of Psychological & Brain Sciences at Johns Hopkins @jhu.edu @jhuartssciences.bsky.social 1/ 28372
Reposted by Harry D. CoulsonHarrison Ritz @hritz.bsky.social · 27/08/2026Our task-switching paper is now out at Current Biology! www.cell.com/current-biol... We find that that our brains reset to a task-neutral state between trials, providing flexibility when the upcoming task is uncertain. RNNs also learn this strategy, but only when trained to switch tasks. 315765
Reposted by Harry D. CoulsonBjörn Siepe @bsiepe.bsky.social · 21/08/2026Looking for a fun & useful science sidequest? Consider contributing to FLoRA. We did some coworking sessions in our lab this week, using their fun gamified app Learn more: forrt.org/replication-... Bonus: Reading interesting articles (I annotated one on the link b/w sleep & cruise tour enjoyment) 0166
Reposted by Harry D. CoulsonSociety for the Improvement of Psychological Science (SIPS) @improvingpsych.org · 04/08/2026Congratulations to the project “Love Replications Week,” which received🏆2026 SIPS commendation! During the Love Replications Week, the researchers gathered to learn about best practices, to get in touch with experts, and to join an open community of researchers who want to support replications. 1116
Reposted by Harry D. CoulsonAleksandra Lazić, PhD @alelazic.bsky.social · 05/08/2026For #OpenScience events, my go-to is @openresearchcalendar.org! 212
Reposted by Harry D. CoulsonLukas Röseler @aufdroeseler.bsky.social · 09/07/2026I’ve just published a #PreprintReview of “Anchoring-Based Causal Design (ABCD): Estimating the Effects of Beliefs” on @prereview.bsky.social prereview.org/reviews/2128...prereview.orgPREreview of Anchoring-Based Causal Design (ABCD): Estimating the Effects of BeliefsAuthored by Lukas Röseler 062
Reposted by Harry D. CoulsonLukas Röseler @aufdroeseler.bsky.social · 29/06/2026I really like @randalljellis.bsky.social's conversations for being about things that you would not read in a paper and I was honored to be one of his guests. We talked about replications, publishing, research assesment, @r2journal.bsky.social, @forrt.bsky.social, power posing, and many more things. 052
Reposted by Harry D. CoulsonKonstantinos Tsetsos @ktsetsos.bsky.social · 24/06/2026Our "insights" page updates automatically after every single match and offers more metrics and visualisations of the ongoing 🧠🤖 battle 👇 forecast2026.com/insights Plenty of football left to play, more forecasts to be made and many more insights to be uncovered! #FIFAWorldCup2026 #forecast2026forecast2026.comForecast 2026 — Humans vs AIAfter 48 matches, it's a genuine contest: the AI edges ahead on average, but the single sharpest forecaster of the whole field is a human. 011
Reposted by Harry D. CoulsonKonstantinos Tsetsos @ktsetsos.bsky.social · 24/06/2026The #FIFAWorldCup2026 is in full swing, and so is our forecast2026.com study, where we pit human forecasters against mainstream LLMs! ⚽🧠🤖 After 2 rounds and 48 matches, who is leading the race?forecast2026.comForecast 2026 122
Reposted by Harry D. CoulsonLukas Röseler @aufdroeseler.bsky.social · 16/06/2026Check for replications of a specific article or your entire Zotero library - it only takes a few seconds with our Zotero Replication Checker. Download it for free at forrt.org/flora-zotero/ @zotero.org @forrt.bsky.social 12713
Reposted by Harry D. CoulsonSander Hermsen @sanderhermsen.bsky.social · 17/06/2026Love how all the posters are openly available online padlet.com/bcconf2026/p.... Abstracts will be available through zenodo later #BCConf2026padlet.comBehaviour Change Conference 2026Made with Padlet 045
Reposted by Harry D. CoulsonSociety for the Improvement of Psychological Science (SIPS) @improvingpsych.org · 10/06/2026Interested in the Editor-in-Chief role of a journal that: ✅️ is a mission-driven Open Access journal ✅️ run by a scientific society, and ✅️ represents the broad field of psychology? Then we encourage you to apply for the EiC role in Collabra: Psychology! 📅 June 30th, 2026 buff.ly/PRQn7Ei #PsychSciSkybuff.lyCollabra: Psychology seeks applications for Editor-in-ChiefCollabra: Psychology, the official journal of the Society for the Improvement of Psychological Science, is a mission-driven Open Access (OA) journal from the University of California Press that sha… 0610
Reposted by Harry D. CoulsonKonstantinos Tsetsos @ktsetsos.bsky.social · 08/06/2026⚽ Can humans beat AI at forecasting the World Cup? @rezlescu.bsky.social and I are launching Forecast 2026, a live research study comparing real-life, real-time human predictions about World Cup matches with those of AI models. Join our study at: forecast2026.comforecast2026.comForecast 2026 184
Reposted by Harry D. CoulsonLara Kirfel @larakirfel.bsky.social · 08/06/2026Representing possible alternatives lies at the heart of moral judgment. As LLMs become embedded in our reasoning processes, they change the set of alternatives we bring to mind. 💭 Our #CogSci2026 paper shows that AI might be making us judge people harsher. ⚖️ osf.io/preprints/ps... 1267
Reposted by Harry D. CoulsonMaarten Speekenbrink @maartenspeek.bsky.social · 24/03/2026Out now in Cognitive Psychology, paper spearheaded by @davidyoung-psych.bsky.social showing that questions like "Does a torch cost more or less than a laptop?" can generate mutual anchoring effects: www.sciencedirect.com/science/arti...sciencedirect.comAnchoring the anchor: judgments of both items assimilate in item-based anchoringAnchoring is a prominent judgment bias which causes people’s estimates of uncertain quantities to assimilate towards recently encountered values. Here… 0156
Reposted by Harry D. CoulsonRichard McElreath 🐈⬛ @rmcelreath.bsky.social · 22/03/2026Statistical Rethinking 2026 is done: 20 new lectures emphasizing logical and critical statistical workflow, from basics of probability theory to causal inference to reliable computation to sensitivity. It's all free, made just for you. Lecture list and links: github.com/rmcelreath/s... 12683216
Reposted by Harry D. CoulsonEd Hagen @edhagen.net · 05/03/2026Wish there was a better academic publishing system? Bluesky and its underlying ATProto technology, along with services like @chive.pub and the broader @atproto.science ecosystem, could do the job. #AcademicSky 🧪 leaflet.pub/2f431faf-c12...leaflet.pubEach academic paper should have its own Bluesky accountBy @edhagen.net 3185
Reposted by Harry D. CoulsonLukas Röseler @aufdroeseler.bsky.social · 05/03/2026Welcome to #LoveReplicationsWeek Day 4 - with 4 events! - Getting your replication report ready by @r2journal.bsky.social - Large scale replications vs. Meta-analyses by @chbergma.bsky.social - CREP by @jorowags.bsky.social - Writing Reproducible Manuscripts by @mklingelhoeferj.bsky.social 144
Reposted by Harry D. CoulsonMatt Cowgill @mattcowgill.bsky.social · 18/02/2026I started making this R package 6 years ago. I finally have it in a state I'm happy with, thanks to Claude Code #Rstats github.com/MattCowgill/... 820541
Reposted by Harry D. CoulsonVanessa Cheung @vanessachg.bsky.social · 17/02/2026Now out in Behavior Research Methods! With @maxmaier.bsky.social & Falk Lieder, we developed the 12-item Decision Process Scale, which measures how much people rely on rules vs. cost-benefit reasoning and intuition vs. deliberation in individual dilemmas. link.springer.com/article/10.3...link.springer.comThe Decision Process Scale (DPS): Self-report measures of reliance on rules, cost–benefit reasoning, intuition, and deliberation in (moral) decision-making - Behavior Research MethodsUnderstanding how people make decisions in specific situations is a central challenge in (moral) psychology research. Yet there are no existing self-report scales for measuring the process of decision... 043
Reposted by Harry D. CoulsonLenka Fiala @fialalenka.bsky.social · 14/02/2026Reject button is red Your sloppiness makes me blue Yours sicerely Reviewer #2 #academicvalentine 011
Reposted by Harry D. CoulsonBAMB! @bamb-school.bsky.social · 12/02/2026Applications for BAMB! 2026 are officially open! Join us in Barcelona (July 12–23) to master the art of behavioral modeling with our incredible faculty: @meganakpeters.bsky.social @marcelomattar.bsky.social @khamascience.bsky.social @thecharleywu.bsky.social Apply now here: www.bambschool.orgbambschool.orgBAMB! 2026 | Barcelona Summer School for Advanced Modeling of BehaviorIntensive training for experienced researchers in cognitive science, computational neuroscience and neuro-AI. Five interconnected modules, expert faculty, hands-on projects. July 12-23, 2026. 12827
Reposted by Harry D. CoulsonMarlene 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
Harry D. Coulson @harrydcoulson.bsky.social · 09/02/2026Also, been using this to find people to follow for a while: bsky-follow-finder.theo.io Just realised that it's also from @theo.io, nice work, and thanks!bsky-follow-finder.theo.ioBluesky Network AnalyzerFind accounts that you don't follow (yet) but are followed by lots of accounts that you do follow. 000
Reposted by Harry D. CoulsonLondon Judgement and Decision Making seminar series @ljdm.bsky.social · 05/02/2026Next Wednesday (Feb 11th) Dr @thecomplexbrain.bsky.social will join to guide us on how to uncover cognitive processes from open-text box data (full details: surl.li/mqtofs). All welcome (in person)! 141
Reposted by Harry D. CoulsonDavis Vaughan @davisvaughan.bsky.social · 04/02/2026dplyr 1.2.0 is out now and we are SO excited! - `filter_out()` for dropping rows - `recode_values()`, `replace_values()`, and `replace_when()` that join `case_when()` as a complete family of recoding/replacing tools These are huge quality of life wins for #rstats! tidyverse.org/blog/2026/02...tidyverse.orgdplyr 1.2.0dplyr 1.2.0 fills in some important gaps in dplyr's API: we've added a new complement to `filter()` focused on dropping rows, and we've expanded the `case_when()` family with three new recoding and re... 12463133
Reposted by Harry D. CoulsonIan Hussey @ianhussey.mmmdata.io · 05/02/2026Early draft of my ebook for the course: ianhussey.quarto.pub/reproducible... 1288
Reposted by Harry D. CoulsonDarren Dahly @statsepi.bsky.social · 03/02/2026Don't you f**king dare. 3134779
Reposted by Harry D. CoulsonBastian Jaeger @bxjaeger.bsky.social · 03/02/2026Researchers often present participants with stimuli that are assumed to reliably and exclusively evoke one, and only one, emotion category. This study shows that this is rarely the case for some widely used stimuli. doi.org/10.1037/emo0... 022
Reposted by Harry D. CoulsonThomas Pollet @tvpollet.bsky.social · 30/01/2026I built a basic shiny app to check doi's (with help of LLM, Claude Opus). The use case is for when students submit work with fabricated references (I used to randomly check, this will systematically check). Note it comes with no warranties,... . tvpollet.github.io/2026-01-30-D...tvpollet.github.io 173
Reposted by Harry D. CoulsonJan Broder Engler @jbengler.de · 30/01/2026This is how you can split a plot into multiple subplots using #tidyplots 🚀 #rstats #dataviz #phd 0191
Reposted by Harry D. CoulsonLukas Röseler @aufdroeseler.bsky.social · 30/01/2026Join us for the LOVE REPLICATIONS WEEK from March 2 - 6 with talks on reproductions, replications, how to find them, how to conduct them, how to have them conducted on your study, where to publish them, and much more! 32216
Reposted by Harry D. CoulsonDan Quintana @dsquintana.bsky.social · 29/01/2026Really nice paper by @neillewisjr.bsky.social doi.org/10.1037/amp0... 141
Reposted by Harry D. CoulsonJulia M. Rohrer @dingdingpeng.the100.ci · 28/01/2026May be of interest to the reproducibility folks: New tutorial on computational reproducibility for simulation studies just dropped! felipelfv.github.io/Why-risk-it-... by @felipefv.bsky.social, Jason Geller & @brodriguesco.bsky.social 66817
Harry D. Coulson @harrydcoulson.bsky.social · 27/01/2026Highly recommend Replication Games! Key takeaways: 1. Great way to learn about other psych methods 2. Improve on stats 3. More enjoyable with others 4. Realised my own code needs improving after being on the other side of a paper (replicating) Thanks @fialalenka.bsky.social @rujoanna.bsky.social 132
Reposted by Harry D. CoulsonIan Hussey @ianhussey.mmmdata.io · 25/01/2026The Iowa Gambling Task is an extreme example of Jingle Fallacy and schmeasurement. In 100 articles we found 244 different ways of scoring it, 177 were never reused. Correlations between them range -.99 to .99. At the same time, we show meta-analyses combine these results as if they’re equivalent. 417567