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Dora Matzke

@doramatzke

Mathematical psychologist at the University of Amsterdam. Cognitive modeling and Bayesian statistics. Co-editor in chief Behavior Research Methods.

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11.11.2024
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Latest posts by Dora Matzke @doramatzke

Theory and practice of Bayesian inference using JASP
Theory and practice of Bayesian inference using JASP YouTube video by OPAM Conference

Awesome YouTube tutorial by Johnny van Doorn, "Theory and Practice of Bayesian Inference Using JASP". Link to the video: www.youtube.com/watch?v=VhIm...

Blogpost:

www.bayesianspectacles.org/youtube-lect...

05.03.2026 12:44 πŸ‘ 3 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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Apply for the eScience JASP Hackathon in Amsterdam: Update and Last Call - JASP - Free and User-Friendly Statistical Software On 16-17 February 2026 the Netherlands eScience Center is hosting a two-day JASP hackathon in Amsterdam. The purpose of the hackathon is to guide participants into developing their very own JASP modul...

Ten new JASP modules -- or perhaps more?

The JASP Hackathon will take place Feb 16-17 at the eScience center in Amsterdam.

This is our last call for applications. Teams are welcome; support to offset travel costs is available.

jasp-stats.org/2026/01/27/a...

27.01.2026 13:10 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

Abstract submission are open for the MathPsych/ICCM 2026 conference in Montreal July 17 to 21, 2026 mathpsych.org/conference/23/ The submission deadline is February 28!

08.01.2026 16:36 πŸ‘ 8 πŸ” 8 πŸ’¬ 0 πŸ“Œ 1
LB journal cover set against a blue background with the white PS logo.Β 

LB journal cover set against a blue background with the white PS logo.Β 

The Publications Committee is seeking applications for a new Editor-in-Chief of Learning & Behavior, with a term beginning in 2027. The application deadline is February 15. Learn more: buff.ly/AZ8DNBa

15.12.2025 18:02 πŸ‘ 2 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
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JASP Now Accepts Tax-Deductable Contributions from the US - JASP - Free and User-Friendly Statistical Software For larger donations (> $500), JASP now accepts tax-deductable contributions. To donate from the US, simple visit this UvA website. As you can read there: U.S.-based donors can make tax-deductible con...

How to donate to JASP (tax-deductable from the US)

jasp-stats.org/2025/12/19/j...

19.12.2025 10:17 πŸ‘ 2 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
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Sharing, caring, and developing better practices for both One of the greatest (and, in my opinion, most overlooked) aspects of science is that it is a process inherently founded on and driven by community. Almost all ongoing research questions are derived…

The procedures for what, where, and how to share materials can be wildly inconsistent. A BRM paper by @haywardgodwin.bsky.social @michaelhout.bsky.social et al. introduces the Find It, Access It, Reuse It scorecard to help standardize research sharing practices. Post by Lai

15.12.2025 21:00 πŸ‘ 5 πŸ” 4 πŸ’¬ 0 πŸ“Œ 1
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Do the 1kg Albert Heijn Potato Bags Really Contain 1kg of Potatoes? - JASP Services BV A few days ago I announced a small quality control project where I would measure 20 bags of β€œ1 kg” Albert Heijn (AH) potato bags to assess whether or not AH is systematically underfilling them, as som...

The suspense is building: do the measurements of 20 units indicate that the Albert Heijn underfills its 1 kg bags of potatoes? An interim post on the importance of articulating your predictions *before* seeing the results. :-)

www.jasp-services.com/do-the-1kg-a...

12.12.2025 11:43 πŸ‘ 6 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
Groningen Spring School in Cognitive Modeling

The Groningen Spring school on Cognitive Modeling is back! Join us from March 30th-April 2nd, 2026! www.ai.rug.nl/springschool/

04.12.2025 19:50 πŸ‘ 12 πŸ” 12 πŸ’¬ 0 πŸ“Œ 0
Andrew R. A. Conway

Andrew R. A. Conway

Michael J. Kane

Michael J. Kane

PS is excited to announce the launch of "Individual Differences in Cognition” (IDIC), an open-access journal on research in cognitive psychology, science, and neuroscience. Co-Editors-in-Chief are Andrew R.A. Conway & Michael J. Kane. Manuscripts accepted this spring. More information coming soon!

22.11.2025 22:09 πŸ‘ 80 πŸ” 40 πŸ’¬ 0 πŸ“Œ 2
Call for Abstract (AMPC 2026): Applying Mathematical and Quantitative Psychology to Real World Complex Problems

Singapore, 23-25 February 2026. Abstract submission deadline 26 November 2024

Plus a bunch of other info. Go to https://ampc2026.com/ for details.

Call for Abstract (AMPC 2026): Applying Mathematical and Quantitative Psychology to Real World Complex Problems Singapore, 23-25 February 2026. Abstract submission deadline 26 November 2024 Plus a bunch of other info. Go to https://ampc2026.com/ for details.

Hello fellow nerds! The upcoming Australasian Mathematical Psych Conference (AMPC) is going to be on Feb 23-25, and they've just put out the call for abstracts.

Details below. This is one of my favourite conferences and this year it's in Singapore(!!) which should be awesome.

13.11.2025 07:32 πŸ‘ 19 πŸ” 8 πŸ’¬ 0 πŸ“Œ 0
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New database helps researchers choose reliable wearable devices If you’ve ever checked your smartwatch to see how stressed you are, you’re part of a growing group of peopleβ€”and scientistsβ€”turning to wearable tech for insights about the body and mind. From smart…

Choosing the right wearable for research just got easier. Explore the new Stress in Action Wearables Database - #psynomBRM paper by Schoenmakers and colleagues

21.10.2025 20:01 πŸ‘ 6 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Resources for Research This section provides brief summaries of selected resources for research that have been published in journals of the Psychonomic Society, typically Behavior Research Methods. These resources consis…

Cohen’s & Fleiss’ kappa assume each subject has one category. @filipmoons Filip Moons & Ellen Vandervieren introduce a generalized Fleiss’ kappa that handles multiple categories per subject, supports hierarchies & weights, and works with missing data.

26.09.2025 20:01 πŸ‘ 9 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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Resources for Research This section provides brief summaries of selected resources for research that have been published in journals of the Psychonomic Society, typically Behavior Research Methods. These resources consis…

JASP Raincloud plots! More transparency, clearer patterns, better science. New BRM paper by @vlott.bsky.social, @donvdbergh.bsky.social, @fbartos.bsky.social, @njudd.com, @jordyvanlangen.bsky.social, @lukekorthals.bsky.social, @rogierk.bsky.social, @ejwagenmakers.bsky.social et al.

18.09.2025 20:00 πŸ‘ 13 πŸ” 6 πŸ’¬ 0 πŸ“Œ 1
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Resources for Research This section provides brief summaries of selected resources for research that have been published in journals of the Psychonomic Society, typically Behavior Research Methods. These resources consis…

Researchers have validated Fabla, a secure smartphone app that lets participants record spoken diary entries in their daily lives. βœ… Higher adherence & usability βœ… 2x more language data than text diaries. #psynomBRM paper by Kaplan @deannakaplan.bsky.social and colleagues.

12.09.2025 20:00 πŸ‘ 8 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
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πŸ’¬ Donate your messages for scienceβ€”without sharing the content. Dona collects only metadata, protecting privacy while enabling research. New post by Alyssa Asmar on #psynomBRM paper by Hakobyan @olya-hakobyan.bsky.social and co @drimalla.bsky.social buff.ly/rubawuB

02.09.2025 20:01 πŸ‘ 3 πŸ” 3 πŸ’¬ 0 πŸ“Œ 1
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Resources for Research This section provides brief summaries of selected resources for research that have been published in journals of the Psychonomic Society, typically Behavior Research Methods. These resources consis…

Need to control visual similarity in your experiments? A new open database by Robbins and colleagues @michaelhout.bsky.social @haywardgodwin.bsky.social, published in #psynomBRM, maps similarity among 1,200 objects in 20 categories using MDSβ€”validated & ready to use.

28.08.2025 20:01 πŸ‘ 39 πŸ” 17 πŸ’¬ 0 πŸ“Œ 0
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The case of the missing information: Reconstructed faces and hy the other race effect happens Ever confuse two people you’ve met, particularly if they’re both of a different race than you are? It’s likely that part of why this is hard for you is the Other Race Effect, where we find people w…

Why do we struggle to tell apart faces of other races? New #psynomBRM paper by Shoura @moazshoura.bsky.social , Walther & Nestor @adriannestor.bsky.social uses GAN-based β€œknockout faces” to reveal what info we miss. #FaceRecognition πŸ‘‰

19.08.2025 20:00 πŸ‘ 4 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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🚨 New tool alert! Fokin and co created the Polish Vocabulary Size Test (PVST) β€” a fast, validated, and adaptive way to measure Polish vocab for natives & learners. Try it here πŸ‘‰ myvocab.info/pl #Psycholinguistics #LanguageScience buff.ly/lFaPqCE

14.08.2025 20:04 πŸ‘ 7 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0
Graphic with blue background and PS branding indicating the name, institution, and paper title of the 2025 Best Article Award recipient for each of the Society's journals.Β 

Graphic with blue background and PS branding indicating the name, institution, and paper title of the 2025 Best Article Award recipient for each of the Society's journals.Β 

The Psychonomic Society is pleased to announce that Roy S. Hessels has been honored with the 2025 Best Article Award for BRM. Congratulations on this well-deserved recognition. Read the paper here: bit.ly/45dKKWM #psynomBRM

11.08.2025 22:00 πŸ‘ 8 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
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πŸŽ‰AWARD ANNOUNCEMENTπŸŽ‰

The 2025 Computational Brain & Behavior Outstanding Paper Award goes to Daniel Cavagnaro & Michel Regenwetter for the paper "Probabilistic Choice Induced by Strength of Preference"

link.springer.com/article/10.1...

#iccmpsyched

28.07.2025 18:20 πŸ‘ 4 πŸ” 5 πŸ’¬ 1 πŸ“Œ 0
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πŸŽ‰AWARD ANNOUNCEMENTπŸŽ‰

The 2025 R. Dunca Luce Outstanding Paper Award goes to Thomas Richter, Rolf Ulrich & Markus Janczyk for "Diffusion models with time-dependent parameters: An analysis of computational effort and accuracy of different numerical methods"

#iccmpsyched

28.07.2025 18:29 πŸ‘ 3 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0
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SMP is excited to recognize Dr Barbara Dosher, newest Society for Mathematical Psychology Senior Fellow! The SMP Senior Fellow Award honors the lifetime contributions of a Society member. #iccmpsyched

26.07.2025 17:38 πŸ‘ 11 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
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Can a β€œfish” be friends with a β€œdish” – a new open-access resource for phonological network research A common trope in high school movies involves the protagonist being given a tour of the various student cliques, where distinctive groups like the rowdy football players, the fashionable mean girls…

A researcher-friendly resource for studying phonological social networks. Spread the word to your networks! #psynomBRM paper by Alderete and colleagues #Psycholinguistics #NetworkAnalysis #OpenAccess post by Caballero

22.07.2025 20:00 πŸ‘ 10 πŸ” 7 πŸ’¬ 0 πŸ“Œ 1
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Assessing reading skills for an entire school’s worth of children is challenging and time-consuming – unless you’re using ROAR-CAT! πŸ“šπŸ¦Computerized Adaptive Testing (CAT) to assess reading abilities. Post by Anthony Cruz; #psynomBRM paper by @anyawma, @KlintKanopka and colleagues buff.ly/IuhWKaB

15.07.2025 20:01 πŸ‘ 4 πŸ” 1 πŸ’¬ 0 πŸ“Œ 1
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Today 11am-1pm EDT: ICCM Symposium - Understanding & Modeling Information & Influence Operation Effects

More information & registration at mathpsych.org/conference/20/

#iccmpsyched

16.06.2025 05:30 πŸ‘ 1 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
Save the date: Australiasian Mathematical Psychology Conference. 23-25 Feburary 2026. Singapore. "Applying mathematical and quantitative psychology to real-world complex problems"

Save the date: Australiasian Mathematical Psychology Conference. 23-25 Feburary 2026. Singapore. "Applying mathematical and quantitative psychology to real-world complex problems"

Save the date! The 2026 *gasp* Australasian MathPsych conference will be in Singapore -- looks to be a great one :)
@ozmathpsych.bsky.social

14.06.2025 06:59 πŸ‘ 17 πŸ” 8 πŸ’¬ 0 πŸ“Œ 0
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The more the merrier! Traditional psychometric networks focus on pairs of variables, but what happens when we look at three or more at once? #psynomBRM paper on #hypergraphs by Marinazzo and colleagues; post by Alyssa Asmar buff.ly/tS2PrhL

20.05.2025 20:01 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 2
Home - JASP Services BV

Hello world! We are a new company that provides support for organizations and industries who use the JASP open-source stats program. Check out our website www.jasp-services.com and our first blog post www.jasp-services.com/first-post/
Know companies using commercial stats software? Share this info!πŸ™‚

21.05.2025 13:57 πŸ‘ 7 πŸ” 6 πŸ’¬ 0 πŸ“Œ 1
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Model-Based Neuroscience and Cognition Summer School Visit the post for more.

A few spots are still available for the 11th Model-Based Neuroscience & Cognition Summer School at the University of Amsterdam! Gain a solid foundation in Bayesian evidence accumulation modeling and explore its integration with neuroscience or advanced computational modeling. modelbasedneurosci.com

09.05.2025 21:38 πŸ‘ 8 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Model-Based Neuroscience and Cognition Summer School Visit the post for more.

Join us in Amsterdam for the 11th Model-Based Neuroscience & Cognition Summer School. Gain a solid foundation in Bayesian evidence-accumulation modeling and explore its integration with neuroscience or advanced computational frameworks, including reinforcement-learning models. modelbasedneurosci.com

28.03.2025 15:00 πŸ‘ 14 πŸ” 12 πŸ’¬ 0 πŸ“Œ 0