Two horizontal lines with similar length

Can you tell which line below is longer? No? Then maybe humans cannot discriminate similar numbers with an approximate mental mechanism either. Read more about it at osf.io/6m4zw

Different sources of the numerical comparison size effect - Memory & Cognition In symbolic number comparison tasks, the numerical distance and size effects are largely influenced by the statistical properties of the stimuli. Here, we tested whether nonsymbolic number comparison ...

In a number comparison task, the size effect is, in fact, at least three distinct size effects with three corresponding generators. See more details about the anatomy of the number comparison size effect at doi.org/10.3758/s134...

The Approximate Number System account assumes an imprecise mechanism behind the precise symbolic number comparison. This leads to various contradictions in the model. Read more about it at osf.io/6m4zw.

Different evaluation methods may categorize subset-knowers as CP-knowers and the other way around. Picture below: how various methods categorize children differently. See details in psyarxiv.com/cz9ug

Optimizing a design for correlation may be bad for a design for comparing groups or conditions. And the other way around. osf.io/mu896

Calculated number knowledge (y-axis) measured with the GaN task as a function of evaluation methods (x-axis)

The evaluation method of the Give-a-Number task matters. See a comparison of different methods in doi.org/10.23668/psy...

The SNARC effect may work only with symbolic numbers. It seems to work with nonsymbolic numbers when the task requires symbolic responses, such as "smaller"-"larger", but not without them. doi.org/10.1037/xhp0... or www.thenumberworks.org/discrete_sem...

Changes to Moderation at PsyArXiv Preprints As you may be aware, a large number of previously-public preprints posted on PsyArXiv have become inaccessible in the past 24 hours. We know this is disruptive to many people and organizations who …

More info about changes to moderation at PsyArXiv -
improvingpsych.org/2025/08/20/c...

That's exactly the research we need for AI!

Glad to see work like that! 👍

I understand the issue and appreciate the efforts, but making submissions unavailable for months without any prior communication about it limits the usefulness of PsyArXiv very strongly and causes severe damage to it.

Cool! There are so many things to highlight here and many ways to make things understandable, so I'd love to read other versions.

Reliability paradox. It is not a paradox. osf.io/mu896_v1

Scientific poster about using functional and structural brain imaging to understand mathematical problem-solving

CogStat in the wild. Jedis (see the bottom of the poster) are using CogStat. Regression charts are made with CogStat. May the force be with you, too! cogstat.org

4th Best Approaches in Data Analysis and Statistics Symposium flyer

4th Best Approaches in Data Analysis and Statistics Symposium
September 5-6, 2024, University Of Szeged, Hungary
Talks and hands-on tutorials on old/new methods, computational tools, software solutions, deep learning, ai www.cogstat.org/best_approac...

The release candidate of the upcoming 2.5 version of
#CogStat is available at github.com/cogstat/cogs.... Give us feedback about the new version.

Procedure for writing multi-author consensus manuscripts: proposal and reflections on implementation: http://osf.io/sdauf/

The beta of the upcoming 2.5 version of #CogStat is available at github.com/cogstat/cogs.... Give us feedback about the new version.

Controlled experiment finds no detectable citation bump from Twitter promotion Multiple studies across a variety of scientific disciplines have shown that the number of times that a paper is shared on Twitter (now called X) is correlated with the number of citations that paper r...

New paper! Multi-year controlled #SciComm experiment finds that tweeting about published papers does NOT lead to an increase in citations of those papers. Led by
@trevorabranch.bsky.social , featuring me @melissacmarquez.bsky.social @solomonrdavid.bsky.social @danirabaiotti.bsky.social & others

🧪

Do you plan to measure Approximate Number System in children? Check recommendations at doi.org/10.1016/j.dr... by @krajcsi.bsky.social D Chesney @krzysztofcipora.bsky.social @coolenilse.bsky.social @camillakgilmore.bsky.social @mjinglis.bsky.social M Libertus @tuebang.bsky.social V Simms, B Reynvoet

New preprint on measuring the acuity of the ANS in children is out! A collaboration pulled together by Attila Krajcsi and Bert Reynvoet, with Dana Chesney, Krzysztof Cipora, @camillakgilmore.bsky.social, @minglis.bsky.social, Melissa Libertus, Hans-Christoph Nuerk,& Vic Simms

osf.io/preprints/ps...

Cover of the book

The CogStat adaptation of Danielle Navarro’s Learning Statistics with R (by Róbert Fodor) has seen its second edition. Enjoy! learningstatisticswithcogstat.com

The latest 2.4.1 release is available for download with tons of improvements. Check the new features at github.com/cogstat/cogs... . Download CogStat from cogstat.org!

This is figure 2, which shows difference in effect size estimates between self- and independent replications for 16 new discoveries in the social-behavioural sciences, compared with initial confirmation study effect size estimates.

A Nature Human Behaviour paper reports on four labs discovering and replicating 16 novel findings with practices such as preregistration, large sample sizes and replication fidelity. The findings suggest that with best practices, high replicability is achievable. go.nature.com/3SIgoXM 🧪

📢CALL FOR COLLABORATORS!📢

A RoSE member is keen to hear from other researchers interested in collaborating on a project that tests the efficiency of automatic analysis software, such as www.cogstat.org, against other software. #StatsEd #Stats

Contact krajcsi[at]gmail[dot]com for information.