Antagonistic people tend to use AI to cheat more than those with lower amounts of antagonistic traits. www.sciencedirect.com/science/arti...

A really nice history of how and why the normal distribution (and later, least squares estimation) rose to prominence in the sciences, and how its assumptions present an overly smooth, unimodal, and symmetrical view of human data. journals.sagepub.com/doi/full/10....

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Do non-human animals use names for each other? It's not clear unless we're talking dolphins, who pretty clearly use names. www.cell.com/trends/cogni...

Do animals use names? Conceptual and empirical criteria

In recent years, several claims have been put forth suggesting that animals of different species address each other using receiver-specific calls that function as individual names. If accurate, this w...

cell.com

Expiscate (verb) --- to find out by careful investigation. From ex- (out) + piscari (to fish).

TIL that the term 'bellwether' originates from the bell-wearing castrated male sheep (i.e., wethers) that led the flock and let shepherds know where it was and was going.

seeing academics and colleagues I respect and/or know openly and happily talk about their chatgpt and claude use feels so awful and disheartening. I’m not going to do the calling out thing because what’s the fucking point

A nice set of R functions that determine planned sample size for two-group and paired-sample designs of multi-trial tasks. Nicely incorporates power, precision, and reliability. psycnet.apa.org/record/2027-...

Helping others for selfish reasons is judged more harshly than not helping at all. www.sciencedirect.com/science/arti...

Replication and extension of Carlson and Zaki (2018): Do lay theories of altruism apply equally to all actors?

Observers rely on perceived motives when evaluating prosocial behavior. Carlson and Zaki (2018) demonstrate that helping typically earns actors altrui…

sciencedirect.com

Meta-analytic latent correlations between psychopathy and sadism: ρ = 0.94-0.98. assets.cureus.com/uploads/revi...

Spiderman Twinsies Pointing Meme

ALT: Spiderman Twinsies Pointing Meme

static.klipy.com

"We found remarkable stability of personality variance for all traits, indicating that, at the population level, people neither get more different nor more alike across the lifespan." Except that neuroticism gets more variable in teens and ext gets less variable as adults age. osf.io/preprints/ps...

People who used GLP-1 receptor agonist medications, compared to diet + exercise, to lose weight were judged more negatively by others. www.nature.com/articles/s41...

This prediction misses the draw of the in-class experience. In-person lectures and activities are more engaging and students want those experiences. I only teach in-person and I fill all my 230 seats without issue even though there is an online asynch alternative and one of my classes is at 9:30am.

Kim Weeden@weedenkim.bsky.social · 4w ago

Alluded to but not elaborated: Instructors who still have in-class assessments will see declining course enrollments. Those who have take-home (or online) exams will see rising enrollments. Stack this on top of butts-in-seats budget models and you get some, um, interesting incentive structures.

Interesting approach to account for item content overlap between predictors and outcomes. These authors removed individual items from trait scores (i.e., from the predictors) that had high correlations with the outcome, and then re-ran the correlations. journals.sagepub.com/doi/full/10....

The dispositional basis of deviance: A multivariate approach to crime and other deviant acts - Isabel Thielmann, Yngwie Asbjørn Nielsen, Jean-Louis van Gelder, 2026

Why some people engage in criminal and other forms of deviant behavior, whereas others do not, has long been a question of interest in the social and behavioral...

journals.sagepub.com

Just like our lab has found with aggression, situational ambiguity is the best experimental setting to capture individual differences in affective reactivity. journals.sagepub.com/doi/full/10....

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Cross-sectional research on the Big Five "can likely use short measures without consequence, whereas longitudinal studies likely need longer measures to reliably detect effects." journals.sagepub.com/doi/full/10....

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Poor sleep predicts greater antagonism on the following day. journals.sagepub.com/doi/full/10....

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We should leave hypothetical vignettes out of antagonism research. Psychopathic folks were less willing to admit when they were wrong in a hypothetical situation but the effect disappeared in daily reports of whether they actually admitted when they were wrong. journals.sagepub.com/doi/full/10....

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The European Journal of Personality may be my new favorite journal to read. Every issue is, without fail, chock full of some of the most interesting papers I've read in a while.

Firearm restrictions reduce violent crime in the localities in which they are enacted, a beneficial effect that can also trickle into neighboring countries. journals.sagepub.com/doi/full/10....

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Do you conduct social/political psych research with non-probablity online samples (e.g., prolific, connect)? This new paper by Michael Stagnaro and colleagues is a must read! Will be adding this to my grad methods syllabus. www.nature.com/articles/s41...

Representativeness and response validity across nine opt-in online samples - Nature Human Behaviour

Stagnaro et al. compare nine opt-in participant samples on measures of response validity, representativeness and professionalism. They find substantial variation across samples and offer guidance for ...

nature.com

The most often used measure of aggressive personality, the Buss-Perry Aggression Q, is based on items originally written so long ago that when I checked out the journal issue from the library, it still has a bookmark in it from the National Tuberculosis Association. Time for an update?

A mixed-methods approach to differentiating anger and rage, which are more alike than different. Rage seems to be a sub-type of anger, which is more characterized by "tunnel vision, loss of control, and aggression." onlinelibrary.wiley.com/doi/10.1002/...

There's no meaningful evidence that gender-affirming testosterone therapy increases anger or aggression. Despite this, unsubstantiated warnings that such therapy may elicit “increased feelings of anger or aggression” often remain in healthcare materials. www.jahonline.org/article/S105...

A topic I've really never thought deeply about until this cool paper came along, how we develop a vocal identity of the self. www.cell.com/trends/cogni...

Cyberaggression serves, in part, to facilitate optimal distinctiveness. www.pnas.org/doi/abs/10.1...

Differentiation drives the erosion of positivity on social media | PNAS

Most people believe that social media discourse is negative and divisive. Here we show how this negativity can evolve even when users are not motiv...

pnas.org

Showing remarkable restraint, Sternberg managed to only cite himself 22 times in this new paper. journals.sagepub.com/doi/full/10....

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Symbols of the U.S. flag have become increasingly seen as indicators of support for 47. guilfordjournals.com/doi/abs/10.1...

Who “Owns” the Stars and Stripes and Why Does It Matter? Effects of the American Flag on Impressions of Prejudice, Intolerance, and Aggressiveness | Social Cognition

Prior work finds that symbol-person pairings influence impressions of individuals. We hypothesized that flying the American flag could signal conservativism and Trump support, consequently affecting i...

guilfordjournals.com

We want to be friends with people we admire, but in this study of 10-14 year-olds, "few (3.1–13.4%) desired friends became reciprocated friends" over the course of a school year. :( journals.sagepub.com/doi/abs/10.1...

The Friends They Have and the Friends They Want: Why Friendship Aspirations Usually Fail - Lucinda Sherrod, Molly Selover, Gilly Kahn, Goda Kaniušonytė, Brett Laursen, 2026

Desired friends represent aspirational relationships. But are they realistic? Two longitudinal studies were conducted, each with two waves of data within a sing...

journals.sagepub.com

I love a good construct-mapping paper, in this case the construct of something being 'vintage', which reflects "three dimensions: moderate age, iconicity, and scarcity." academic.oup.com/jcr/advance-...

Defining and Understanding Vintage

Abstract. Trendsetters and cutting-edge brands constantly seek new styles and fresh designs that set them apart from previous trends. However, in recent de

academic.oup.com

Greater default mode network synchrony observed during deep conversations that are characterized by feelings of connection (yay for more fNIRS work)! academic.oup.com/scan/advance...

Making new connections: An fNIRS machine learning classification study of inter-brain synchrony in the default mode network

Abstract. Little is known about the neurocognitive underpinnings of forming social connections. In this study, we tested whether default mode network (DMN)

academic.oup.com