Journal of Mathematical Psychology @mathpsych.bsky.social The official BlueSky page for the Journal of Mathematical Psychology. We publish advances in decision theory, psychometrics, neural modeling, and computational cognition.
An official, peer-reviewed journal of the Society for Mathematical Psychology.
Jordan Revol @jordanrvl.bsky.social PhD Student at KU Leuven | ESM, Statistics and Data Science enthusiast 🌟
Psychometric Society @pmetricsoc.bsky.social 
Josip Razum @josiprazum.bsky.social Research associate at Ivo Pilar Institute of Social Sciences in Zagreb, Croatia. Interested in clinical psychology and psychotherapy research using ecological momentary assessment (EMA).
@carlottarieble.bsky.social @carlottarieble.bsky.social PhD Candidate at Leiden University
Investigating depression onset http://WARN-D.com
#OpenScience
Society for Psychotherapy Research @sprofficial.bsky.social The Society for Psychotherapy Research (SPR) is an international, multidisciplinary scientific association devoted to research on psychotherapy.
https://www.psychotherapyresearch.org/
WOinActie.bsky.social @woinactie.bsky.social WOinActie strijdt voor een adequate basisfinanciering van en werkomstandigheden in het WO.
woinactie.blogspot.com
Matti Heino @heinonmatti.bsky.social Crisis preparedness 🛡️ Complex systems approach to behaviour change science. Resilience 🔀 Antifragility. PhD social psychology by accident.
Society for Ambulatory Assessment @ambulatory-assessment.org The Society for Ambulatory Assessment (SAA) is devoted to fostering research and applications using ambulatory assessment approaches.
Web: https://ambulatory-assessment.org
#SAA2026: 3-5 Aug '26 in Vienna
APA Journals @apajournals.bsky.social The latest research, calls for papers, and news from journals published by the nonprofit American Psychological Association.
https://www.apa.org/pubs/journals/- D @dennyborsboom.bsky.social @dennyborsboom.bsky.social
SAA 2025 Leuven @saa2025leuven.bsky.social Official account for the Society for Ambulatory Assessment Conference 2025 taking place from May 26-28 in Leuven, Belgium.
SAA official account: @ambulatory-assessment.org 
Bridgy Fed for the fediverse @ap.brid.gy Bridgy Fed (https://fed.brid.gy/) bot user for the fediverse. To bridge your account to the fediverse, follow this account.
To ask a fediverse user to bridge their account, send their address (eg @user@instance) to this account in a chat message.
More i…- E @ejwagenmakers.bsky.social @ejwagenmakers.bsky.social
Kun Dong @kundong.bsky.social PhD candidate@DondersInst| Formerly CNS Msc@DondersInst| Multisensory perception| Neural decoding| Temporal dynamics| System Neuroscience
PsychoPy @psychopy.org Free software for creating experiments for psychology, neuroscience, economics and more. psychopy.org
Supported by opensciencetools.org and The University of Nottingham.
Host your study online using Pavlovia.org.
Altmetric @altmetric.com We measure the attention that research outputs receive from policy documents, mainstream news outlets, Wikipedia, social media and online reference managers. We detect sentiment of Bluesky/X posts.
Come for the attention to research. Stay for the memes.
Tom Peacock @peacockflu.bsky.social Virologist - Influenza and Coronaviruses 
František Bartoš @fbartos.bsky.social PhD Candidate | Psychological Methods | UvA Amsterdam | interested in statistics, meta-analysis, and publication bias | once flipped a coin too many times
Santa Fe Institute @sfiscience.bsky.social The premier research center for #ComplexSystems #science.
santafe.edu
linktr.ee/sfiscience
Typst @typst.app The new foundation for documents: Limitless power to write, create, and automate anything that you can fit on a page.
Timon Elmer @timonelmer.bsky.social 🎓 Postdoc and SNSF Ambizione fellow @ University of Zürich
🔍 Doing research on mental health, digital interventions and social processes
Philipp Herzog @herzog.bsky.social Postdoc at RPTU Kaiserslautern-Landau | previously Harvard | Clinical Psychologist interested in trauma research
Melissa De Smet @melissadesmet.bsky.social I'm an assistant professor in qualitative research. I aim for meaningful idiographic assessment and personalized care by centralizing patients' experiences. Special interests: Youth mental health. Depression. ESM. Grounded theory. Mixed methods. Art.
The ESM Item Repository @esmrepository.bsky.social The Experience Sampling Method (ESM) Item Repository is an #OpenScience initiative to increase transparency & quality of ESM measures. Open bank of ESM items for use in research with 3000+ items. www.esmitemrepository.com | https://osf.io/kg376/
Mini Many Labs for ESM @minimanylabsesm.bsky.social NWO-funded open science initiative to foster collaboration among Experience Sampling Method (ESM) researchers to tackle methodological research questions, whilst increasing the uptake of #OpenScience practices within the Belgian-Dutch ESM Network.
Fridtjof Petersen @fridtjofptrsn.bsky.social PhD student in Psychometrics & (Bio)statistics @ University of Groningen, NL
Time Series | Survival Analysis | Joint Models | Prediction
Margarita Panayiotou @margaritap.bsky.social I think psychometrics is cool and sometimes I draw about it osf.io/czxht. Looking into the measurement of adolescent social media www.so-me-study.org
Senior lecturer at Uni of Manchester
Guðrún R. Guðmundsdóttir @grgudmundsdottir.bsky.social PhD Candidate @ Maastricht University & NSMD New Science of Mental Disorders | Mental Health as Complex Systems | Transdiagnostic | Personality & Identity | ESM/EMA | she/her
joanne m. chung @joannemchung.bsky.social korean american personality psychologist @ university of toronto mississauga. studies culture, the self, & emotion using longitudinal, behavioral, qualitative, and community-engaged approaches. makes art & loves the absurd. cats & riot grrrl 4eva. she/her.
Dr Ellie Murray, ScD @epiellie.bsky.social Epidemiologist and science communicator | newsletter: epiellie.substack.com | cohost @casualinfer podcast | Causal inference for public health #epitwitter | Canadian in US 🇨🇦 | she/her/Dr
James Uanhoro @jamesuanhoro.bsky.social Nigerian. Assistant professor in the Research, Measurement & Statistics program at University of North Texas. Uses Stan a lot. Member @CWA6186 / TSEU
Jan R. Boehnke @jrboehnke.bsky.social I work at the School of #HealthSciences, University of Dundee
Measurement, (health-related) quality of life #HRQL, multimorbidity, #ResearchEthics, publishing, #PeerReview, research assessment
Ex- #REF2021, former #NightshiftEditor
No DMs due to UK-OSA.
Esteban Montenegro-Montenegro @m-square.net I'm a faculty at CSU Stan, I'm interested in #rstats #healthyAging #quartoPub #python #statistics. I might share content related to quantitative methods from a diverse number of fields. 
Dariia Mykhailyshyna @dariia.bsky.social Ukrainian, Economist, Postdoctoral Researcher at KSE, organizer of Workshops for Ukraine series, #RStats
https://sites.google.com/view/dariia-mykhailyshyna/main
Sean Mackinnon @seanpmackinnon.bsky.social Instructor at Dalhousie University. Personality, statistics, mixed methods
Andreas Brandmaier @brandmaier.bsky.social Research Methods. Multivariate Models. Individual differences. Lifespan. Reproducibility. R. Views are my own but you can keep them.
Michael D. Nunez @nunezanalyzed.bsky.social Asst. Prof. University of Amsterdam, rock climber, husband, father. Model-based (Mathematical) Cognitive Neuroscientist. I study decision-making, EEG, 🧠, statistical methods, etc.
🇺🇦🇪🇺
John Sakaluk @johnsakaluk.bsky.social He/him/his. Associate Professor at Western University.
Work: #rstats, #psychometrics, #dyadic data, #MetaAnalysis, #closerelationships, Sexuality
Fun: All things cured, fermented, roasted, seared, smoked, shaken, stirred, and swizzled.
Julia Strand @juliafstrand.bsky.social Professor of Psychology at Carleton College. Speech, cognition, measurement, open science! Book carver. Podcast: Juice and the Squeeze. she/her. http://juliastrand.com
Abdel Abdellaoui @dr-appie.bsky.social Complex Trait Genetics | Population Genetics | Evolutionary Genetics
https://scholar.google.nl/citations?user=hsyseKEAAAAJ&hl=en
Michèle Nuijten @michelenuijten.bsky.social Assistant Professor at the Meta-Research Center, Tilburg University, NL. Interested in reproducibility, replicability, and overall robustness of psychological science. Developer of #statcheck: a spellchecker for statistics. She/her. Mom.
Jurgen Tijms @jurgentijms.bsky.social Developmental psychologist | Scientist | Interested in neurocognitive development of reading and math | reading disabilities | mathematical disabilities
Daniel Oberski @daob.nl Data science prof @ Utrecht. Incoming scientific director, Dutch national infrastructure for social sciences ODISSEI
Latent variables, Structural Equation Models, Measurement error
https://daob.nl | https://hds.sites.uu.nl | https://odissei-data.nl
Øystein Sørensen @osorensen.bsky.social Professor in Biostatistics, Department of Psychology, University of Oslo
Kathryn Paige Harden @kph3k.bsky.social Psychology & behavior genetics. Author of THE GENETIC LOTTERY (2021) and ORIGINAL SIN (2026). Speaking as an individual.
Ed Merkle @edgarmerkle.bsky.social quantitative psychologist, open source enthusiast, recently working on R package blavaan
Mijke Rhemtulla @mijke.bsky.social professor of psych methods at UC Davis. SEM, measurement, rigorous and replicable research methods.
Victoria Savalei @vsavalei.bsky.social Quantitative Psychologist at the University of British Columbia
Andrew Grotzinger @andrewgrotzinger.bsky.social Assistant Professor at CU Boulder interested in multivariate genomic methods development and their application to understanding shared and unique signal across human disease and risk factors. Lab website: https://www.p-badger-lab.com/
Beate St Pourcain @bstpourcain.bsky.social genetic epidemiologist, mum of twins, rose gardener, occasional expression of an opinion
Michel Nivard @michelnivard.bsky.social Professor of Genetic Epidemiology, University of Bristol at: uob-ieu@bsky.social
Andrea Howard @drandreahoward.bsky.social Professor of Psychology | Adolescence and the transition to adulthood | Mental health, alcohol, social media, ADHD | Open science and quantitative psychology | She/her.- M Michael Aristodemou @maristodemou.bsky.social
Magnus Johansson @pgmj.bsky.social PhD & lic. psychologist. Research specialist at Karolinska Institutet @ki.se . R packages for Rasch psychometrics: pgmj.github.io/easyRasch2 (also for jamovi) and easyRaschBayes.
#openscience, #psychometrics, #rstats, #photo
Bruno D. Zumbo @brunozumbo.bsky.social Professor & Distinguished University Scholar, University of British Columbia.
Mathematical models of mental test scores. Statistical methods for educational & behavioral science.
https://ecps.educ.ubc.ca/bruno-d-zumbo/
Private account; all opinions my own
Joe Barnby @joebarnby.com Assoc. Professor & AI+ Senior Fellow @ KCL & UWA | PI @ socrlab.net
Computation, representation, and social cognition in biological 🧠 and artificial 🤖 intelligence
Borysław Paulewicz @boryslaw.bsky.social Intro to causal inference for psychologists:
https://czasopisma.uwm.edu.pl/index.php/pp/article/view/9731/7171
A causal-theoretic definition of measurement invariance (see p. 14):
+
A new ordinal regression family
https://osf.io/preprints/psyarxiv/e7a3x
Mark Elliott @thatmarkelliott.bsky.social Music, cycling, political and other random ramblings. Work: computer scientist/language tester/psychometrican in some order. Once drew trees and was told it was "better than felling them", which is a start, I guess. Views my own, cat photos will happen.
Matt Williams @matthewmatix.bsky.social The 8th-ranked Matthew Williams on Google Scholar. Keen on open science, meta-psychology, and conspiracy theories. https://mattwilliams.netlify.app/
Michael Friendly @datavisfriendly.bsky.social ASA Fellow; #rstats developer of graphical methods for categorical and multivariate data; #datavis history of data visualization; #historicaldatavis; Milestones project
Web: www.datavis.ca
GitHub: github.com/friendly
Pam Davis-Kean, PhD @umpamdk.bsky.social Director of the Survey Research Center @um-src.bsky.social Univ. of Michigan Dev/Quant. Prof. of Psychology. APS President. Longitudinal researchers studying SES, parenting, math dev, achievement, and data science. Open science supporter.
Dustin Haraden @dustinharaden.bsky.social Assistant Professor Clinical Psych @RIT
Sleep, Chronotype & Internalizing Disorders
Developmental Psychopathologist
Data WizaRd
Psychological Gangster
Dad
Felipe Fontana Vieira @felipefv.bsky.social PhD researcher | Department of Data Analysis, @UGent | https://felipelfv.github.io | I like psychometrics, copulas, causal inference, statistics, and metascience sometimes; pasta, ice cream, and coxinha always
Vithor Rosa Franco @vthorrf.bsky.social Mathematical psychology, psychometrics, and computational methods from São Francisco University 🇧🇷 #science #bayes #r
Daniel Heck @danielheck.bsky.social Professor of Psychological Methods @Phillips-Universtät Marburg
Mathematical psychology | Cognitive modeling | Psychometrics | Bayesian statistics
Personal: www.dwheck.de
Team: https://www.uni-marburg.de/de/fb04/team-heck
Klint Kanopka @klint.bsky.social Assistant Professor of Applied Statistics at NYU ASH
Psychometrician and sandwich lover
Reluctant dog account
klintkanopka.com
Dr Clem Edwards @clemedwards.bsky.social Research Clinical Psychologist & Wellcome ECA Fellow researching motivation and pleasure.
Twin Mum, Bookworm, Runner. 
Johannes Thrul @drjthrul.bsky.social mHealth and substance use research, Associate Prof, @JohnsHopkinsDMH, @JohnsHopkinsSPH, immigrant 🇩🇪 ➡️ 🇺🇸
thrulresearchlab.com
Lisa Starr @lisastarr.bsky.social Clinical psychological scientist at U of Rochester with interests in depression, life stress, interpersonal factors, daily processes, clinical affective science. Mom of 2. Probably tired right now.
Opinions my own
Dr. Laura M. König @lauramkoenig.bsky.social Professor of Health Psychology, @univie.ac.at #HPGVienna | eating behaviour, #digitalhealth, social inequality, research methods | #scicomm & #openscience
Web: https://gesundheit-psy.univie.ac.at
Dr. Alea Ruf @alearuf.bsky.social Scientific project manager @ Endo Health GmbH | ECR representative @dgps-gesundheit.bsky.social
David R. Kolar @dkolar.bsky.social Prof of Clinical Child & Adolescent Psychology & Psychotherapy at University of Regensburg. Eating disorders, Functional models of psychopathology, EMA 🇩🇪🇨🇴🇺🇸🇧🇷
John Felt @jfeltphd.bsky.social Quantitative methodologist interested in Bayesian and frequentist approaches to longitudinal data analysis, causal inference, and measurement. Assistant Research Professor in the Center for Healthy Aging at Penn State. UC Merced Quant Psych Alum.
Katie Witkiewitz @katiew.bsky.social Clinical Psychologist, Director @ Univ New Mexico Center on Alcohol, Substance use, & Addictions, Distinguished Professor in Psychology, addiction science, mindfulness, quant methods. Lover of trail running, skiing, hiking, ballooning, and dogs!
Natalie Goulter @nataliegoulter.bsky.social Developmental Psychopathology Researcher • Senior Lecturer • Art: Alicia Frankovich
Ryan Carpenter @rwcarpenterphd.bsky.social Assistant professor at the University of Notre Dame in clinical psychology.
Mirinda Whitaker @mirindaw.bsky.social Assistant professor, Ohio University. Applied quantitative psychologist. Variance obsessed Bayesian nerd, fascinated by dynamics & change, especially in affective & health processes like stress & pain. The mean is overrated. Opinions (& typos) are my own.
Michael Mullarkey @mcmullarkey.bsky.social Clinical psych PhD | ML Engineer in sports
Subscribe to my newsletter on data, learning, and building: https://buttondown.com/datadash
Opinions are my own and don't reflect the opinions of my employer
Matt Southward @mattsouthward.bsky.social Assistant Prof at Ohio State / UChicago, OSU, Duke, & UK alum / BPD, DBT, emotion regulation flexibility / CV: bit.ly/4ydJrEq / Scholar: bit.ly/3PMktZT / Lab: u.osu.edu/mattlab/
Simon Blackwell @blackwellse.bsky.social Post-doctoral researcher in clinical psychology at the University of Göttingen, focussing on positive mental imagery and translational research methods. All tweets are in a personal capacity. He/him.
More info: http://tinyurl.com/sebtrace 
Caspar van Lissa 🟥 @cjvanlissa.bsky.social Associate professor of social data science at Tilburg University, chair of the Open Science Community Tilburg, board member of Tilburg Young Academy
Nina de Boer @ninasdeboer.bsky.social PhD candidate @ Radboud University | philosophy | network models | psychiatry | neurodiversity | she/her - H @harrietteriese.bsky.social @harrietteriese.bsky.social
Grzegorz (Greg) Stec @grzegorzstec.bsky.social Head of Brussels Office at Mercator Institute for China Studies #MERICS #EU #China
Chinese Open Science Network (COSN) @chineseopensci.bsky.social A grassroots network for promoting open science via both Mandarin & English!
@nicolewalasek.bsky.social @nicolewalasek.bsky.social Postdoc @IBED_UvA working on formal models of sensitive periods. https://walaseknicole.wixsite.com/site
Nastasia @gryphire.bsky.social researcher | creative | excitement is my motivator | www.nastasiagriffioen.com
Freek Oude Maatman @freekoudemaatman.bsky.social Theoretical(ly) Psychologist, Philpsy/Philsci |Joint PhD student @University of Groningen @Radboud University | Theory evaluation | Psychopathology | Complexity | he/him
Danielle Navarro @djnavarro.net occasionally reasonable
Yihui Xie @yihui.org https://yihui.org
Nina Bruinhof @ninabruinhof.bsky.social PhD candidate Developmental Psychobiology at Donders Institute and Radboudumc, NL. Studying perinatal mental health, early development, parent-infant interaction and infant behavior.
Zeyu Wang @zeyuwang.bsky.social PhD candidate @roamaastricht.bsky.social and Radboud University. AI, Inequality, Education & more. 
@schreudermj.bsky.social @schreudermj.bsky.social 
Alexandra @alexdanvers.bsky.social alter ego. por aqui teremos várias aleatoriedades comprometedoras.
Floor Burghoorn @floorburghoorn.bsky.social Postdoctoral researcher in computational psychiatry @UniTuebingen | Also likes Stats and Open Science
MH Manuel Haqiqatkhah @psyguy.bsky.social | Retired 📶 engineer | MSc AI & MSc Psychology grad
#KULeuven | Postdoctoral researcher @ #UtrechtUniversity | Psychological process & adaptive longitudinal measurement | #ItGetsBetter believer/dreamer |
Tuo(Thorsten) Liu @liuthorsten.bsky.social Nearly finished Ph.D. Student in Self and Virtual Reality | Emotion | Media Psychology | Psychometrics and Statistical Models | 🏳️🌈