David Chester

The diffusion model’s drift rate parameter primarily reflects efficiency, rather than speed, of evidence accumulation - Psychonomic Bulletin & Review Applications of the diffusion decision model (DDM) to the study of cognitive individual differences consistently find that the model’s drift rate (v) parameter forms a cohesive factor across many task...

DDM drift rates (v) are more strongly related to efficiency than speed of evidence accumulation. link.springer.com/article/10.3...

Never thought I'd get a chuckle out of a github page, but then there's: yifengedms.github.io/simPM/
@quantitude.bsky.social @yifeng.bsky.social

Listening to music together increased friends' prefrontal synchrony. www.sciencedirect.com/science/arti...

Smart. And if there was ever a fish to warrant the risk, it would be walleye.

Being that close to Ohio will do that to a guy

Shedding Light on Dark Romance: Light Personalities' Reduced Rejection of Machiavellian and Sadistic Partners Drawing on the complementarity perspective of romantic attraction, we examined dyadic initial attraction in a speed-dating context among individuals characterized by light and dark personality traits...

Folks with greater amounts of sadistic and machiavellian traits had less succcess in a speed dating event. onlinelibrary.wiley.com/doi/10.1111/...

Writing is thinking. If you outsource the writing, you've outsourced the thinking.

Same!

We're heading back to the lab y'all.

Love the idiographic approach of this mixed-methods study on cardinal traits. Folks volunteered very socially-desirable ones. Curious how/if things would change if participants could be motivated to provide less presentable answers.

psycnet.apa.org/record/2027-...

This Strange Addiction Fuels Murder and War—But You Can Train Your Brain to Fight It, Research Suggests Breaking the cycle can be sweet.

Did a short interview in which I gently pushed back on the notion that revenge is an addiction. www.popularmechanics.com/science/a698...

In a new paper coming out in Personality Disorders: TRT, I used factor mixture modeling to see if the basic factor structure of aggressive personality traits exhibited different configurations and correlations within latent classes of low, medium, and high aggressiveness. osf.io/preprints/ps...

PsychoPy Studio: the app we love, reimagined It’s now over 20 years since PsychoPy’s humble beginnings as an open-source Python library to help users present high-precision stimuli and collect responses from participants. Since 2009 PsychoPy…

We're getting excited... just putting the finishing touches to
**PsychoPy Studio**

This is a complete rewrite of the PsychoPy Builder/Coder app, now packaged in Electron.

Faster load, modernised UI, web-ready, independent of the Python interpreter
🎉 🚀

blog.psychopy.org/general%20bl...

My personality psych undergrads introduced me to the term 'clanker', which was a surprisingly useful term to use when talking about exploratory factor analysis and its potential pitfalls.

New paper on planned missingness. Recently been liking the approach of planned missingness in a survey -> FIML to estimate constructs.

psycnet.apa.org/fulltext/202...

People often use passive aggression to test their partners' commitment level. psycnet.apa.org/record/2027-...

Personality predictors of longitudinal adaptation following the COVID-19 pandemic Although COVID-19 mitigation efforts were transformative for American's social, educational, work, and emotional lives, it is unclear how people adapt…

Agreeable people showed a relatively higher preference for in-person jobs, introverted and disinhibited people had a greater preference for remote work. www.sciencedirect.com/science/arti...

Morning.

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Conspiracy theorists' insistence that people should "do their own research" doesn't seem to emerge in their actual choices (i.e., they don't robustly seek out first-hand evidence instead of expert opinions). journals.sagepub.com/doi/full/10....

back to the lab y'all

“These findings provide clear evidence that data collected on MTurk simply cannot be trusted.”

Direct evidence for poison use on microlithic arrowheads in Southern Africa at 60,000 years ago Earliest proof of plant poisons on arrows reveals complex Pleistocene hunting in southern Africa.

Humans were using poisoned weapons (i.e., arrows) all the way back in the Ice Age. www.science.org/doi/10.1126/...

The Reward Positivity signals a goal prediction error The Reward Positivity (RewP) is an electroencephalogram (EEG) feature that emerges following performance feedback and is commonly understood to index both positive and negative reward-prediction error...

Reward Positivity (RewP) is an EEG event related potential that, contrary to decades of work, does not simply indicate reward receipt. www.cell.com/trends/cogni...

What happens at night? Differentiating within-day and overnight affective inertia Affective inertia – the degree to which affect persists over time – has, for example, been linked with neuroticism, depressive symptoms, and increased distress. The typical statistical approaches m...

Affective inertia, the association between affect at two timepoints, was stronger overnight than it was within a given day. So if you woke up on the wrong side of the bed, you likely fell asleep on it too. www.tandfonline.com/doi/full/10....

Nothing screams home security more than a guy who rather famously had people sneak onto his extremely well guarded property, destroy his most valuable possessions, and raze his literal house down past its foundations.

Oh man. I'm imagining his description of the false sunrise of dragon fire coming from the North and Maeglin's descent into spiteful hate and yeah, you're right, that would be amazing.

Solid haul. I'm now imagining what tales from the Silmarillion would sound like in McCarthy's mode and I've gotta say, I think it could work. Especially for The Children Of Hurin.

"Oxytocin varies across the life course in a sex-specific way
in a human subsistence population" www.pnas.org/doi/pdf/10.1...

I'm preregistering the emergence of a new form of identity crisis - - - people trying to convince others that they aren't AI.

The Honesty-Humility dimension of HEXACO "is not clearly distinguishable from the Politeness aspect of Agreeableness." osf.io/preprints/ps...