Ted Schwaba

Ted Schwaba

@tedmond.bsky.social

psych professor, MSU. personality and environments and genes and the tangle all between! Also music opinions! tedmond.net

1.1K followers359 following207 posts

Methods that quantify personality heritability by tagging *common* DNA variants get ~10-15% w/ ideal conditions. Too low? Twin/family studies (that don't measure DNA) get ~40-60%. Too high? Here's evidence for the third leg: methods that compare DNA between siblings. ~50% for "talk vs listen"

loic-yengo.bsky.social@loic-yengo.bsky.social

Thanks to all @23andMe participants and our amazing co-authors: Yanyu Liang, Julie Granka, Xin Wang, Julia Sidorenko, David Evans and Peter Visscher. Please check it out and share! Link: www.nature.com/articles/s41...

The takeaway (just for personality specifically!) preliminarily updates our understanding from "low GWAS estimates for personality heritability show that twin/family methods are biased upwards" to "when we measure DNA variation well, personality heritability is about 50%, like twin/fam studies."

Ted Schwaba reposted

A new survey of 1,000 American adults found that the strongest supporters of transgender sports bans are not the people who admire women most: they are the people who hold the most hostile views about women. www.helenwebberley.com/news/transge...

helenwebberley.comAre transgender sports bans really about protecting women? | Dr Helen WebberleyThe data says no. Those most hostile to women are most in favour of banning trans athletes.

Ted Schwaba reposted

Ted Schwaba reposted

Replying to @sjoerdalten.bsky.social

6/12 Result 1: greater genetic propensity toward emotional stability raises earnings. A 1-SD higher PGI increases annual earnings by €1,420, or 3.3% of the sample average. The effects of the other four traits are smaller and not statistically significant

This year I decided to read + rate all the Shakespeare plays (don't tell my HS teachers but I had never read/seen a Shakespeare before!). After just finishing (read in semi-random order), here are the results~

Other notes: 1) Dang he's good. Unmatched levels of empathy. 2) I had no idea what was going on, often. 3) In EVERY PLAY besides Richard III/Antony&Cleopatra, someone is disguised at some point. 4) There were SO MANY cuck jokes. 5) King Lear oooooverrated 6) Merry Wives of Windsor underrated

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Replying to @alltheperkes.bsky.social

The complexity of group interactions seems to overrule the consistency of individual behavior to create group-level developmental patterns that are highly unpredictable over longer timescales.

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🐟🚨 Fish paper alert! 🚨🐟 You might already know that individuals are unique, even when they’re genetically identical clones raised in identical environments. But what about groups? Groups of clones are distinct from birth, but (unlike individuals) those differences do not predict later behavior!

authors.elsevier.comGroup-level phenotypes are idiosyncratic yet unpredictable over development in a clonal fishBehavioral differences among groups can have profound impacts on individual fitness,1 yet how group-level phenotypes arise and change during developme…

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Since our paper on the Changing How I Live Life (CHILL) Study is now out in Psychological Science (doi.org/10.1177/0956...), here's a LONG overdue post on the intervention work we've been doing the past few years! Have you ever wanted to change one of your personality traits?

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Ted Schwaba reposted

Hi, I'd like to apply for the lifetime achievement award. Although my chronological age would seemingly render me ineligible, my biological age? Firmly in the eligibility window. How old do I feel (subjective age)? I'm at death's door. Thank you for your consideration

Our big Big Five GWAS, out today! Personality Genomics is extremely hot in 2026.

Michel Nivard@michelnivard.bsky.social

🚨& 🧵 Our new Nature paper is out! Across 46 cohorts and up to 1.14M people per Big Five trait, we do GWAS and ask how robust, generalizable and consequential the genetic signals underlying personality really are. www.nature.com/articles/s41...

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Was walking past this building and through the window saw this backrooms-ass room, so I accidentally took the coolest picture ever due to the window's reflection

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Something worth noticing is that the letter in support of the suspension of Cofnas from Ghent University has 353 signatures from G(h)ent Conversely, the letter against the suspension has a grand total of 14 signatures from G(h)ent

Pieter T. L. Beck@ptrbck.bsky.social

We have written a statement in support of Ghent Uni's decision to suspend Nathan Cofnas. We resist attempts to frame this as a punishment for "whistleblowing" or censorship of "controversial research". We invite all academics who share our views to sign our letter. forms.gle/qwN8xzEM5C7Q...

Ted Schwaba reposted

Ted Schwaba reposted

I'm not smart enough to figure out what is wrong with this study, but I am smart enough to know that popular streaming album releases increasing traffic fatalities by 15% in one day is an implausibly large effect.

JAMA Network Open@jamanetworkopen.com

📈 Major #MusicStreaming album release days were associated with higher US #TrafficFatalities than surrounding days, suggesting that streaming media use through #Smartphones may represent an underrecognized road safety risk. ja.ma/4bTvgvr

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In 2023, @nature.com published 'Papers and patents are becoming less disruptive over time', receiving world-wide media attention. Our Matters Arising, published after a 32 month delay (more on that soon), shows that the reported decline can largely be attributed to dataset artefacts. 🧵

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I'm excited to announce that I will be reviewing graduate student applications for Fall 2027 admissions! I review applications in both the Personality, Development, and Health and the Clinical Science (Weinberg) programs.

sites.northwestern.eduResearch | Personality Across Development LabCurrent Research Topics Leadership Emergence and Development Tackett, J. L., Reardon, K. W., Fast, N. J., Johnson, L., Kang, S. K., Lang, J....

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New meta by @peterhaehner.bsky.social et al (I'm a little middle author) on individual differences in personality change across the lifespan (229 studies, N = 230k) 10.1037/bul0000525 Cool finding (imo): For all Big Five, variance in change is greatest in youth, declining through young adulthood!

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🆕 New pre-print! osf.io/preprints/ps... Are you satisfied with your life because you are satisfied with your friends, health, job, etc.? Or is it actually the other way around: are some people generally satisfied with their life and, because of this, satisfied with their friends, health, job, etc.?

osf.ioOSF

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Read my interview with @vox.com about #Gossip with our neighbors. The funny part is that I gossiped about this piece *with* my neighbors too 👂

MSU Psychology@msupsychology.bsky.social

What are some best practices for gossiping with neighbors? @drmeltemyucel.bsky.social and other researchers talked with Vox about how to ensure neighbor relationships stay productive, what to do when things go awry, and more. www.vox.com/advice/49400...

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What happens when war breaks out in the middle of a survey? On Feb 28, the U.S. and Israel launched airstrikes against Iran, as our global research team was conducting fieldwork. In several countries, views of the national economic situation worsened throughout our survey period.

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Incredible chart from @propublica.org. If you don’t follow enviro stuff closely, your instinct might be that the hold-your-nose solution (carbon capture from fossil fuels) would be the “pragmatic” one versus covering Earth in solar panels, which seems utopian. In fact it’s the opposite

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Replying to @aidangcw.bsky.social

The main point is that decisions about timescale are substantive theoretical commitments rather than methodological details, and they determine what kinds of change a study can detect and what inferences it can support. But there are a few central messages that flesh this out... 2/

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“The “strongest risk factor” is not the form most related to harm. It is the form least redundant with whatever else is in the model.”

Kristoffer Magnusson@rpsychologist.com

New interactive blog! "Why Adjusted Regression Coefficients Are Less Descriptive Than They Look" rpsychologist.com/descriptive-...