Research Methods. Multivariate Models. Individual differences. Lifespan. Reproducibility. R. Views are my own but you can keep them.
Andreas Brandmaier
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Up to age 60, adult brain volume completely dominated by stable individual diffs. At 80 yrs, up to 50% reflects differences in change. Interpretation: 1) We change similarly up to 60. 2) Group comparisons often not reflecting changes.
@Edvardosg @LCBC_UiO direct.mit.edu/imag/article...
What your audience is thinking about at your conference presentation. Cartoon from @upmicblog. #PhDchat #ECRchat #postdoc #gradschool
Abstract. Individual differences in the volumes of brain structures are often linked to various conditions, including Alzheimer’s disease, schizophrenia, and overall brain health. However, it remains ...
Psychological Methods is looking for Editorial Fellows. We are looking forward to applications of early-career psychologists who will bring experiential diversity to their work. If you are interested, reach out to me or directly apply here to work with a wonderful team: www.apa.org/pubs/journal...
Anders M Fjell
👉 An exciting PhD position is available at the MPI for Human Development to work with LIP colleague @sarahdpower.bsky.social on the WildBrain project. See www.mpib-berlin.mpg.de/2366555/2026.... #PsychSciSky #neuroskyence
Cohen’s d is one of the most widely used ways to communicate mean differences across studies. But what, exactly, is it telling us? A perspective on detectability of effects -- just out in PARE: openpublishing.library.umass.edu/pare/article... #openaccess
Just gave my last talk of the year!
2025 was quite packed, I gave talks about:
- the age-period-cohort problem
- making rigorous causal inference more mainstream
- mediation analysis
- marginaleffects
- causal graphs (x10)
If you're curious, check out my slides here: juliarohrer.com/resources/
Anke Schneider and I put together a short brochure on sample size planning, aimed at Bachelor psychology students. Our goal: help students justify their sample size plan (other than just relying on defaults) and help avoid common pitfalls. 🚀
For now, it’s only available in German.
osf.io/n46vg/
A new preregistration template for simulation studies is now live on OSF. Thanks to the creators and the preregistration template working group for proposing and shepherding this to make it available to users.
See the post if you would like to propose a new template.
www.cos.io/blog/introdu...
Here you can find a collection of things that may be helpful, including slide decks, a curated list of introductory papers and blog posts, as well as some infographics I have generated to explain v…
@nature.com made a news piece on our new @pnas.org paper. Good job Anne Ravndal!
Men’s brains shrink faster than women’s: what that means for Alzheimer’s.
www.nature.com/articles/d41...
#DataMethods #OpenScience
#GESISMethodsHub: An open portal for computational social science research—find tools, tutorials, and code, directly usable in your browser. Methods Hub makes it easy to learn, apply, and reproduce computational methods in the Social Sciences.
methodshub.gesis.org/
Andreas Brandmaier
Andreas Brandmaier
Center for Lifespan Psychology, MPI for Human Development
Initially submitted through COS’s open call for community-designed preregistration templates, the Simulation Studies Template is now part of the expanding collection of preregistration resources avail...
