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Cam Hostinar, Ph.D.

@camhostinar.bsky.social
2K followers 2.3K following 213 posts

Lifelong learner. Studying developmental psychology, Associate Professor of Psychology. Opinions are my own and do not represent my employer.

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Cam Hostinar, Ph.D. @camhostinar.bsky.social · 12h
If anyone is interested in applying to the UC postdoctoral fellowship and we have similar research interests, please reach out! The deadline is November 1. Many other faculty mentor options exist as well. ppfp.ucop.edu/info/
ppfp.ucop.edu
University of California | President’s Postdoctoral Fellowship Program
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Deon T. Benton @deontbenton.bsky.social · 01/10/2026
Here's a fun question: If you had to estimate how many manuscript pages you've written to this point in your career -- be it for a journal article or chapter and published or published -- how many pages would that be?
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Cam Hostinar, Ph.D. @camhostinar.bsky.social · 30/09/2026
What is the mechanism?
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ingmarvisser.bsky.social @ingmarvisser.bsky.social · 28/09/2026
New paper 🍼📄 ManyBabies 3 is out (open access, registered report in Developmental Science). 30 labs, 33 languages, 839 infants set out to replicate a textbook finding: 7-month-olds learn abstract rules from speech (@garymarcus.bsky.social et al., 1999). We didn’t find it. 🧵
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Cam Hostinar, Ph.D. @camhostinar.bsky.social · 27/09/2026
Me asking my 8-year-old: do you think in the future children will prefer having AI robot companions or human friends? 8-year-old: human friends, because our brains are drawn to mistakes. We look for things that are different and not the same. What fun is there in the world if everything is perfect?
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Mark Thornton @markthornton.bsky.social · 27/09/2026
I think the option to look at the full manuscript before agreeing to review is increasingly important. Some journals already offer this, the rest should start. If I can tell from a glance that a paper is chock full of slop, I'm going to say no. Human reviews should be reserved for human authors.
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Samuel Perry @profsamperry.bsky.social · 26/09/2026
Students and colleagues, the aesthetics of the tables in your manuscript matter. If they look cut and paste, bunched up, weirdly organized, or otherwise thrown in there it gives the impression of a rush job or someone who doesn't know what they're doing. Doesn't have to be LaTeX to look nice.
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slate @pleasebegneiss.bsky.social · 26/09/2026
iced coffee is junior level. the real power move is bringing a corn on the cob to your interview
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Natalie Brito @nataliebrito.bsky.social · 23/09/2026
My department is looking to hire 3 new faculty members! Please share widely. Assistant Professor - Cognitive: apply.interfolio.com/193975 Assistant Professor - Social Psychology: apply.interfolio.com/193979 Associate/Full Professor - Mental Health: apply.interfolio.com/193984
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Iris van Rooij 💭 @irisvanrooij.bsky.social · 23/09/2026
"Please Don't Use AI for Reviews" -- by @ffassnacht.bsky.social (repost from LinkedIN)
This goes out to everyone but particularly also to early stage researchers: 

Please do not use AI if you get invited for review papers for a scientific journal. There are several critical problems related to this: 1. It is not allowed to upload unpublished work to LMMs (copyright problems) 2. Be aware - editors will in 98% of the cases know that you used AI and it leaves a very bad impression on you 3. Be aware that editors would be perfectly capable to ask a LLM themselves if they would be interested AI's opinion. 4. An AI-review will force the editor to invite another reviewer and delay the process heavily. 5. Trust in your own capabilities - conducting reviews is actually also a good way to learn. Even a statement like "I cannot follow your thoughts in this section" may be helpful advice to the authors to improve their work. AI will not give such advice and is typically also not great at spotting problems in the experimental set-up.

So please - if you do not have the time to really review a manuscript or you are not capable of reviewing the manuscript adequately, just decline the invitation. Thanks!

AI-free artwork created in MS paint.
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Jay Van Bavel, PhD @jayvanbavel.bsky.social · 21/09/2026
Does ingroup love lead to outgroup hate? I often tell people that identifying with ingroups does not always lead to outgroup discrimination. I call this the "Myth of tribalism". A new paper provides strong and robust evidence for a positive relationship between ingroup and outgroup prosociality.!
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Chelsea Parlett @chelseaparlett.bsky.social · 21/09/2026
Why bell shaped, hmm? Why not ant-hill shaped 🐜? Camel hump shaped 🐪? Turtle silhouette from front on shaped 🐢? Tulip in bloom shaped 🌷?
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Dan Quintana @dsquintana.bsky.social · 21/09/2026
Is it worth putting in all the effort needed to make your materials open if there’s a chance that no one will download them? I still think so, for two reasons:
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Dan Quintana @dsquintana.bsky.social · 19/09/2026
New preprint! 🎉 I analysed 1660 papers from 4 psychology journals and found materials sharing went from 9% of papers in 2015 to 82% in 2025, and these materials *do* get downloaded — a median of 135 times each. BUT shared code is often hard to run. doi.org/10.31234/osf... Let's walk through it 🧵
Two-panel figure. Panel a is a flow diagram tracking 1,611 empirical psychology articles from publication year (545 in 2015, 552 in 2020, 514 in 2025) to repository-link type: 785 link an OSF project, 85 link another platform, and 741 link no repository. Of those with an OSF link, download counts were retrieved for 670 and not retrieved for 115. Panel b is a line chart of the share of empirical papers linking OSF across 2015, 2020 and 2025. The overall rate, shown as a dashed black line, rises from 9% to 57% to 82%. All four journals rise steeply and end close together: Psychological Science 92%, JESP 89%, JML 83%, Cognition 76%, with Psychological Science highest throughout.Three-panel figure. Panel a: ridgeline plot of downloads per file by material type on a log scale, with the percentage never downloaded labelled for each — archive 16% of 545 files, documents 20% of 2,970, code 12% of 3,471, other 17% of 1,646, data 21% of 10,051, media 35% of 2,120, images 35% of 4,102. Most files cluster between 1 and 10 downloads, with long right tails past 100. Panel b: ridgeline plot of downloads per paper by journal, log scale, with dashed median lines; Psychological Science is highest, then JESP, JML and Cognition. Panel c: stacked bars showing, for documents, data and code separately, the share of papers by download band (0, 1–10, 11–100, more than 100) in 2015, 2020 and 2025. The share exceeding 100 downloads falls sharply over time in all three types, from roughly two-thirds in 2015 to a quarter or less in 2025, as the 1–10 band grows.Four-panel figure. Panel a: statistical languages detected among 333 papers with retrievable code — R 88%, SPSS 12%, Stata 4%, SAS 1%. Panel b: code red flags among those 333 papers — 34% hard-code an absolute path, 40% reference a missing file — above documentation among 672 OSF-linked papers — 21% have a README, 30% are documented by README, description or wiki. Panel c: among 562 Elsevier papers with no repository link, 44% (245) host at least one journal supplementary file but only 14% (77) host data, code or an archive. Panel d: composition of those 448 hosted files — documents 52%, data 21%, media 9%, other 7%, archive 6%, code 3%, images 1%. The code panels are green, the journal-supplement panels blue.Coefficient plot (download predictors)

Dot-and-whisker plot of three standardised predictors of OSF download volume, each with a 95% confidence interval. Repository size (number of files) has the largest effect at about 0.76, citations about 0.38, and altmetric attention about 0.12. All three intervals sit entirely above zero, so each predicts more downloads, with repository size roughly twice the effect of citations and six times that of attention. X-axis: standardised effect, −0.2 to 1.0.
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Natalie Brito @nataliebrito.bsky.social · 16/09/2026
A little window into how babies' brains and bodies work together 🧠 ❤️ Our lab has TWO new papers out led by my brilliant former postdoc Annie Aitken. www.nature.com/articles/s42... First paper in examined real-time coupling b/t cortical activity and parasympathetic tone in 3-month-olds
nature.com
Autonomic and neural activity dynamically couple during infant attention - Communications Biology
Simultaneous EEG and ECG in 3-month-olds reveal that parasympathetic (RSA) activity dynamically couples with cortical theta and alpha oscillations during sustained attention task
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Prof Sarah-Jayne Blakemore @sjblakemore.bsky.social · 16/09/2026
Brain postdoctoral fellowships (clinical and non-clinical) - open now for applications guarantorsofbrain.org/grants/post-...
guarantorsofbrain.org
Post Doctoral & Brain Entry Fellowships | Brain: The Charity
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Cam Hostinar, Ph.D. @camhostinar.bsky.social · 16/09/2026
This is one of the best Ig Nobel prizes… high SES individuals more likely to snatch candy from children.
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Zoe Drayson @zoedrayson.bsky.social · 15/09/2026
Attention philosophers of language who also work in theoretical linguistics: the Philosophy department and the Linguistics department at UC Davis are jointly hiring a TT Assistant Professor. Apply! recruit.ucdavis.edu/JPF07874
recruit.ucdavis.edu
Department of Philosophy/Linguistics - Philosophy of Language/Computational Linguistics
University of California, Davis is hiring. Apply now!
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Alexis Brieant @abrieant.bsky.social · 15/09/2026
Tenure track position in Clinical Psychology at the University of Vermont ‼️ Review begins Sept 30. I'm on the search committee and happy to answer any questions. www.uvmjobs.com/postings/88091
uvmjobs.com
Assistant Professor of Psychological Science: Clinical Psychologist
Officers of Instruction - Tenure Track
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Jay Van Bavel, PhD @jayvanbavel.bsky.social · 14/09/2026
Wow--we never recovered socially from COVID:
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Cam Hostinar, Ph.D. @camhostinar.bsky.social · 13/09/2026
We’re launching a new diamond open access developmental psychology journal very soon… stay tuned!
static.klipy.com
Coming Soon - Vibrant Graphic Teaser
Alt: Coming Soon - Vibrant Graphic Teaser
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Alex Holcombe @alexh.bsky.social · 12/09/2026
Please write for, edit for, and review for diamond open access journals. Currently I volunteer as an editor for the diamond outlets Meta-psychology, MetaROR, and the WikiJournal of Science.
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Melanie Mitchell @melaniemitchell.bsky.social · 10/09/2026
I wrote down my thoughts about the last several weeks of AI hell. aiguide.substack.com/p/misleading...
aiguide.substack.com
Misleading Metaphors, Real Risks
What To Fear from AI Agents and How to Reclaim Our Human Agency
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International Society for Developmental Psychobiology (ISDP) @isdp.org · 11/09/2026
The Tufts Psychology Department is recruiting for an Assistant Professor of Behavioral Neuroscience (Tenure Track). They seek a scientist whose research program focuses on mechanistic explanations of brain–behavior relationships relevant to mental and brain health. isdp.org/2026/09/11/t...
isdp.org
The Tufts Psychology Department is recruiting for an Assistant Professor of Behavioral Neuroscience (Tenure Track) - International Society for Developmental Psychobiology (ISDP)
The Department of Psychology at Tufts University invites applications for a full-time faculty position in behavioral neuroscience at the Assistant Professor (tenure-track) level to begin September 1, ...
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Jamie Hanson @jamielarsh.bsky.social · 10/09/2026
More U.S. kids live in net worth poverty than income poverty, and almost no one studies it. Our new paper argues wealth deprivation shapes children's development in its own right, and that standard wealth measures miss the debts poorer families carry. academic.oup.com/cdpers/advan...
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David Baranger @davidbaranger.bsky.social · 08/09/2026
Data visualization is storytelling. After Elspeth Kirkman: www.instagram.com/reel/DcSlOws...
Plot of four charts, each showing time vs age, in years. Each plot shows a different aspect - actual (linear), reported (staircase), development (log age), and perception of time passage (log time).
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Ed Hagen @edhagen.net · 08/09/2026
This #rstats package can help you avoid doxxing the participants in your study when you publish your data 🧪 #AcademicSky: sdctools.github.io/sdcMicro/
sdctools.github.io
Statistical Disclosure Control Methods for Anonymization of Data and Risk Estimation
Data from statistical agencies and other institutions are mostly confidential. This package, introduced in Templ, Kowarik and Meindl (2017) <doi:10.18637/jss.v067.i04>, can be used for the generation ...
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Laurel Raffington @laraffington.bsky.social · 08/09/2026
Cash transfers to US mothers with low income caused small but measurable changes in children's biological aging by age four 🧬 Our new study in @nathumbehav.nature.com www.nature.com/articles/s41... press release > www.mpib-berlin.mpg.de/press-releas...
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Jay Van Bavel, PhD @jayvanbavel.bsky.social · 08/09/2026
Academic scores are plummeting. Those falls in reading and maths are equivalent to about two years of lost schooling! This is a serious crisis in education. It's frustrating to see people trying to minimize these trends.
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Saloni @scientificdiscovery.dev · 07/09/2026
A lot of people made fun of this at the time, but I actually don't think it's that bad. Mostly it amuses me to imagine feeding two birds one scone.
Peta's stop using anti animal language campaign
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Nick Stroustrup @nstroustrup.bsky.social · 05/09/2026
Did you know that the cells of old animals contain much less mRNA than the cells of young ones? Let me share with you some results from an ongoing project in the lab, where we are finding that a progressive depletion of total mRNA abundance is a crucial part of aging 1/22
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Lisa Starr @lisastarr.bsky.social · 03/09/2026
⚠️ATTENTION STRESS GENERATION FANS!⚠️ Presenting THREE new papers in Nature Reviews Psychology and Journal of Psychopathology and Clinical Science! One empirical study One methods guide One conceptual framework All have been baking for a LONG time, so it is a thrill to finally share. 🔗🧵⬇️ #PsychSky
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Lisa Starr @lisastarr.bsky.social · 03/09/2026
🚨Our consensus guidelines paper for research on stress generation is live at the Journal of Psychopathology and Clinical Science! This paper brings together researchers with a wide range of theoretical perspectives and expertise on SG to converge on the HOW TO.
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Momchil Tomov @momchiltomov.bsky.social · 02/09/2026
Excited to share that our paper on explainable AI for autonomous driving is out today in @nature.com! Super proud to have been part of this amazing collaboration between Motional and MIT! Details in the 🧵
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Ted Schwaba @tedmond.bsky.social · 02/09/2026
Our big Big Five GWAS, out today! Personality Genomics is extremely hot in 2026.
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Lauren Forrest @laurenforrest.bsky.social · 01/09/2026
I’m accepting a clinical psychology PhD student for Fall 2027 at University of Oregon!🌲 Applicants interested in suicide, eating disorders, and/or quant-y things, esp as related to LGBTQ+ people, would be a good fit. My website includes tons of info and pro tips for applicants. Good luck! ✨💪
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Eliza Bliss-Moreau @eblissmoreau.bsky.social · 31/08/2026
My dept/area is hiring! We're open to animal species/model and research area. UCD is an amazing place to do nonhuman animal work - major 🐒 center, a band new rodent vivarium in the Psych building, and capacity to house all sorts of other animals! recruit.ucdavis.edu/JPF07812
recruit.ucdavis.edu
Assistant Professor of Psychology - Biological Bases of Behavior
University of California, Davis is hiring. Apply now!
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Anna Weinberg @annaweinberg.bsky.social · 26/08/2026
📣 *Two* tenure-track Assistant Prof jobs in @mcgillpsych.bsky.social! 🧠 Developmental Psychology 🧩 Child Clinical Psychology Great colleagues/department, strong interdisciplinary ties (MUHC, The Neuro), in a city worth moving for. Apply within 40 days—please spread the word! Links in thread:
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Tom Olino @olinotom.bsky.social · 23/08/2026
We have enjoyed hosting our virtual event walking through the graduate application process -- we have faculty representation from clinical, developmental, social, cognitive, and neuroscience areas to talk about how they read applications!
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moin syed @syeducation.bsky.social · 20/08/2026
University of Minnesota Institute for Child Development is hiring! We are looking for an Assistant Professor in the broad area of developmental psychopathology. Review of applications begins Sep 25. See ad for details. drive.google.com/file/d/1Mndc...
drive.google.com
ICD_Faculty_Ad_2026.pdf
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Dorothy Bishop @deevybee.bsky.social · 16/08/2026
New blogpost deevybee.blogspot.com/2026/08/acce... inspired by recent depressing experience as a peer reviewer. AI-generated #fraud is getting very hard to detect. #peerreview
deevybee.blogspot.com
Acceleration of the arms race between fraudsters and honest researchers
I was recently asked to review a paper that piqued my curiosity. From the abstract it sounded as if it was a secondary analysis of a datas...
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Andrew Lawrence @ndrew.bsky.social · 15/08/2026
so funny www.yahoo.com/lifestyle/ar...
yahoo.com
A 4,000-year-old clay tablet captures a kid whining that his mom’s homemade clothes aren’t cool enough
His mother spent months weaving his clothes by hand. He wrote her a clay tablet to say his classmate's clothes were nicer and she must not love him.
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simine vazire @simine.com · 10/08/2026
Special issue at Psych Science on psychological science in the real world! Send us your best work looking at whether effects from the lab (or from theories) hold up in ecologically valid settings. Submission deadline: 15 January 2027 www.psychologicalscience.org/publications...
psychologicalscience.org
Special Issue Call for Submissions: “From Lab to Life: Psychological Science in the Real World”
Editors: Roni Porat and Vishnu SreekumarPsychological Science invites submissions presenting innovative research that brings psychological science “into the wild,” whether to strengthen its ecological...
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Dr. Jessie Stern @jessastern.bsky.social · 08/08/2026
Please share widely: We're hiring!📣 The Departments of Psychological Science and Neuroscience at @pomonacollege.bsky.social are seeking candidates for a tenure-track Assistant Professor position in Psychological Science and Neuroscience. academicjobsonline.org/ajo/jobs/32248
academicjobsonline.org
Pomona College, Psychology
Job #AJO32248, Assistant Professor of Psychological Science & Neuroscience, Psychology, Pomona College, Claremont, California, US
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Aaron Fisher @aaronjfisher.bsky.social · 07/08/2026
Attention early career methodologists and quantitative psychologists: Berkeley Psychology is hiring! This is an assistant teaching professor position with potential for security of employment (equivalent to tenure). Please share widely! Thank you! aprecruit.berkeley.edu/JPF05480
aprecruit.berkeley.edu
Assistant Teaching Professor Quantitative Methods-Psychology
University of California, Berkeley is hiring. Apply now!
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Eliza Bliss-Moreau @eblissmoreau.bsky.social · 06/08/2026
1/ New paper out today from my group, in @natneuro.nature.com, in which we review the anatomical & functional data on insula structure across species. This was a "whole lab" project led by @joeycharbonneau.bsky.social. It's been a 5 year in the making (a full 3 years in review)! rdcu.be/fyd7T
rdcu.be
Comparative insights into insula structure and function
Nature Neuroscience - Charbonneau et al. compare how the insula is structured and functions in humans, monkeys and rodents, revealing similarities and differences across species that are likely to...
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Koraly @drkoraly.bsky.social · 06/08/2026
2027 Editorial Fellows at Developmental Psychology Deadline: November 1, 2026 www.apa.org/pubs/journal... Fellows will develop their editorial leadership skills, serving as the Action Editor on approximately 5 to 6 manuscripts over the course of the year. @apajournals.bsky.social 1/3
apa.org
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Anna Parenteau @aparenteau.bsky.social · 04/08/2026
Looking to connect with researchers doing developmental community-based work for a possible SRCD symposium! Please reach out!
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Cam Hostinar, Ph.D. @camhostinar.bsky.social · 05/08/2026
Self-help books are fascinating … how to be more disciplined (by a Navy Seal), how to be mindful (by a zen master), how to connect with others (by someone who connects well with others). Makes sense to learn from experts, but wouldn’t it also be helpful to learn from those who struggled & improved?
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Paul Smaldino @psmaldino.bsky.social · 30/07/2026
A Demographic Theory of Similarity-Biased Social Learning. Now out in PNAS, led by the incomparable @apvelilla.bsky.social . We use modeling to explore conditions for the (cultural) evolution of parochial (and anti-parochial) learning biases. www.pnas.org/doi/10.1073/...
Humans adapt by learning from others, but risk acquiring maladaptive behaviors when learning from individuals facing different conditions. We present an evolutionary model exploring how individuals use social identity markers to select learning targets in diverse populations. Learners evolve biases that track reliable information sources: preferring similar individuals when in-group knowledge is adaptive, and dissimilar individuals when in-group behaviors are disadvantageous. Our framework demonstrates that this adaptive bias makes social learning viable even when it is costlier than individual learning. Additionally, we show that a minimum threshold of reliable cultural information is required for social learning to spread, providing a mathematical explanation for how demographic diversity drives population-level patterns of cultural segregation and assimilation.
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