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Posts by Dominik Deffner

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There is a fully-funded PhD position at the Max Planck Institute for Evolutionary Anthropology to pursue dissertation research among the Mayangna of Nicaragua, expanding a longitudinal study of subsistence strategies and behavioral ecology. Please share the posting!
www.eva.mpg.de/career/posit...

5 days ago 36 45 1 0
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Medial temporal lobe encodes cognitive maps of real-world social networks | PNAS Humans routinely solve social problems by navigating densely interconnected networks—gossiping strategically, brokering across cliques, and coordin...

Now out in PNAS with @jaeyoungson.bsky.social, Alice Xia, @apaxon.bsky.social & @orielf.bsky.social. Medial temporal lobe encodes predictive representations of people's real-world social networks which afford them key advantages in social navigation. www.pnas.org/doi/10.1073/... 🧵

1 week ago 60 23 1 2

We're looking for a new postdoc to join our team! Do you enjoy conceptualizing, improving, and rethinking empirical methods training for social scientists? Then this job might be for you 😊

Feel free to share among your network and to reach out if you have any questions!

2 weeks ago 8 8 0 0
Title page for working paper: "The Varieties of Cultural Selection"

Title page for working paper: "The Varieties of Cultural Selection"

I've been thinking a lot about the foundations of cultural evolutionary theory. While there's been a lot of work on transmission mechanisms, there has been far less work on cultural *selection*. Here's a new working paper presenting a taxonomy of cultural selection processes.
osf.io/preprints/so...

2 weeks ago 70 24 6 4
Evolutionary Anthropology MSc The programme aims to provide in-depth knowledge of the latest research into human evolution and development. The focus is on the genetic, paleoanthropological and cognitive aspects of human behaviour and the mind. Particular emphasis is placed on engaging with the complexities of research processes, and on developing skills in designing, implementing and evaluating studies. Students will gain professional expertise in handling and rigorously analysing and effectively presenting data, preparing them for doctoral research.

New MSc Evolutionary Anthropology in Leipzig 😍 Would've absolutely loved this program!!!

www.uni-leipzig.de/en/studying/...

2 weeks ago 7 0 0 0
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How to Estimate a Mean, and What It Means for Science | Computational Psychology Introduction If I asked you to estimate 30 means, you would probably compute 30 sample means. And you would be provably wrong (well.. maybe not wrong, but at least provably inefficient).

New blog just dropped!

This one is all about estimators—we cover James-Stein, classical test theory, empirical Bayes, penalized regression, and hierarchical models, showing how they all can be used to do a better job than sample stats alone 🤓

haines-lab.com/post/how-to-...

1 month ago 67 25 6 2

Congrats, great to have you in Germany!!

2 weeks ago 1 0 1 0
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🚨I couldn’t be happier to share that today I’m officially starting my own research group at the Human Origins Cluster of Excellence in Tübingen (@humanorigins.bsky.social)!🚨We’ll explore drivers of genetic, phenotypic and cultural evolution by integrating evidence from many fields in creative ways 🧬

2 weeks ago 90 14 11 0
IMPACT OF PARENTHOOD ON UNIVERSITY EMPLOYMENT. Line graph shows how the probability of holding a research position changes from four years before to seven years after having children.

IMPACT OF PARENTHOOD ON UNIVERSITY EMPLOYMENT. Line graph shows how the probability of holding a research position changes from four years before to seven years after having children.

Becoming a parent is much more detrimental to women’s academic careers than it is to men’s

Read the full story: go.nature.com/4v4rxmQ

3 weeks ago 248 156 6 39
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The roles of cultural transmission and causal reasoning in the cultural evolution of technology Abstract. Humans are uniquely capable of producing highly efficient tools, but the extent to which this capacity depends on individual reasoning abilities

📣 Out now in @pnasnexus.org our *NEW PAPER* revamping a long-standing debate: to what extent does causal reasoning aid the cultural evolution of technology?

academic.oup.com/pnasnexus/ad...

3 weeks ago 32 13 0 1

We are hiring a tenure track (!) senior researcher in political economy!

This is obviously a great job (permanent without teaching obligation) and I hope you all apply.

However, I would like to take a moment to share just how significant this is in the German academic context ⬇️

3 weeks ago 94 65 1 1
ESLR | Events

📣 Check out the ESLR Skill-Sharing Sessions schedule for Spring 2026!

A series of workshops by the ESLR community on reproducibility, Bayesian modeling, accessibility, and more 🌱

The first one is happening TODAY!

🔗 See the full schedule: www.eslrsociety.com/events

3 weeks ago 3 3 0 0

Bonobos and bottlenose dolphins may seem worlds apart, but together they reveal key conditions that foster cooperation beyond group boundaries

3 weeks ago 30 12 0 0

🚨Last week to apply for a 3 year postdoc with me and @dominikdeffner.bsky.social, embedded in theadaptivemind-excellencecluster.de Focus is on developing innovative experiments and computational models to understand social & cultural learning. Deadline is March 30th 👉 hmc-lab.com/SocialLearni...

4 weeks ago 26 24 0 0
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Vacancy — Two PhD Positions in Developmental Psychology/Affective Science <p>Are you intrigued by how distinct emotions emerge in the first years of life? Do you want to work with young children in naturalistic settings using cutting-edge methods to study emotions? Join us as a PhD candidate at the University of Amsterdam. You will be part of the ERC Starting Grant project EMODEV: The emergence of distinct emotions in human development at the University of Amsterdam.</p>

I am excited to share that we are opening two fully funded 4-year PhD positions in my group at the University of Amsterdam

The PhD candidates will work on the @erc.europa.eu funded project EMODEV: The emergence of distinct emotions in human development.

Application deadline: 3 May

1 month ago 10 7 0 0
Goethe-Universität — Zentrale Einrichtungen Die Goethe-Universität ist eine forschungsstarke Hochschule in der europäischen Finanzmetropole Frankfurt. Lebendig, urban und weltoffen besitzt sie als Stiftungsuniversität ein einzigartiges Maß an E...

I'm hiring a postdoc! @goetheuni.bsky.social

Focus: CSS, political behavior, political communication & transforming information environments.

📍 Frankfurt | ⏳ 3 years | 📅 Deadline: 14 April 2026

Full job ad here: www.uni-frankfurt.de/48794987/Zen... (search for “political behavior” to find it)

1 month ago 64 52 0 3
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Resource variability shapes the ecology of social information and collective sensing Social information expands individual sensing of resources in dynamic ecosystems, yet why social strategies evolve in resource pursuit remains unsettled. We posit that resource variability along three...

New paper in TREE co-led w @jennakohles.bsky.social: We explore how resource variability shapes the value of social information for maximizing resource gain & minimizing variance. This eco-evolutionary lens helps us explain why collective sensing emerges in dynamic ecosystems!
🧪 tinyurl.com/2rurcry7

1 month ago 30 15 1 0
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Collective incentives reduce over-exploitation of social information in unconstrained human groups - Nature Communications Individual decisions drive the dynamics of collective systems. Here, the authors use an immersive-reality experiment to show that group incentives reduce social information use and improve performance...

Guess you know, but I used HMMs in stan to infer scrounging decisions in this video-game experiment www.nature.com/articles/s41...

1 month ago 8 0 0 0
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What does it mean for culture to “shape” cognition?

In our new TiCS paper, @benjaminpitt.bsky.social & I offer a typology of four possible effects: culture
can Privilege one cognitive process over others, Prune out disfavored ones, Produce new ones, or have no effect.

www.cell.com/trends/cogni...

1 month ago 131 47 2 1

This is an outstanding book, especially for fathers(-to-be)!

1 month ago 4 1 0 0

@ehbea.bsky.social @culturalevolsoc.bsky.social @eslr.bsky.social

1 month ago 0 0 1 0

Come work with us! And get in touch with any questions you might have about the position, our labs or living/working in Germany #PostdocWanted

1 month ago 16 12 0 0

🤩PREPRINT OUT! Using our causal model of 👫 growth, we test if model can estimate growth trajectories of pops. of 🚸 of uncertain age using cross-sectional data. Results: our model provide accurate estimates providing a solution for bioarcheological and other contexts!
www.biorxiv.org/content/10.6...

1 month ago 16 6 0 1
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✨New Perspective out w/ Wenning Deng and @fearbrain.bsky.social in @cp-iscience.bsky.social ! We argue that social foraging gives us a unifying, and ecologically grounded way to study how decisions unfold across levels — from individuals and dyads to collectives.

www.cell.com/iscience/ful...

1 month ago 30 12 1 0
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Many Minds: Seven metaphors for AI If you wanted a petri dish for understanding metaphors—how they emerge and evolve and jostle with each other—it would be hard to do better than the world of AI. We talk about AI systems variously as c...

I enjoyed talking with @kensycoop.bsky.social on the Many Minds podcast about the metaphors we use to conceptualize AI.

manyminds.libsyn.com/seven-metaph...

1 month ago 69 22 2 2
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Screening, sorting, and the feedback cycles that imperil peer review The process of peer review is vital to contemporary science, but is also under enormous strain. This study uses mathematical models to dissect the threats to the long-term viability of peer review, su...

1. Kevin Gross and I have a new paper out today PLOS Biology.

We used economic models based around screening games and the market for unpaid labor to highlight a meltdown cycle threatening peer review.

1 month ago 324 132 8 17

**Postdoc position in human category learning**

@thecharleywu.bsky.social, Frank Jäkel and I are seeking a postdoctoral fellow to lead a joint project on human category learning at the Centre for Cognitive Science @tuda.bsky.social.

www.career.tu-darmstadt.de/tu-darmstadt...

1 month ago 39 28 1 1
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Why do otherwise rational people disagree about the same evidence? Our new paper finds that group membership is a deeply rooted influence on how we form beliefs, leading even preschoolers to bias their evidential standards and form inaccurate beliefs.
www.nature.com/articles/s41...

2 months ago 63 32 2 4

Yeah, in the intro of the main text, we also wrote that foraging, cross-culturally, is considered a social activity...

2 months ago 1 0 1 0
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The Original Affluent Society? Lessons from 60-Years of "Man the Hunter" Research To mark the 60th anniversary of the 1966 'Man the Hunter' symposium, On Humans is proud to publish the first-ever podcast interview with Richard B. Lee.

It's out: the first ever podcast interview with Richard B. Lee! 🥁

We discuss the 60 year legacy of Man the Hunter conference, including:

The Original Affluent Society
The Dawn of Everything
The choice of the term "Man" in the conference name.

Enjoy!

2 months ago 14 5 0 3