juliaha.bsky.social
Professor of Psych Methods, Evaluation and Statistics at the University of Potsdam. Bayesian modeling, experimental psychology, and cats. But mainly cats. She/her.
👤 Joined on 15 August 2023
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@juliaha.bsky.socialNo. I refuse to concede the em dash to Big Tech. I will die on this hill.
Show PostThanks for posting about this @markrubin.bsky.social — see full proposal here: Hutmacher, F., Guest, O., Rubin, M., & Wendt, A. N. (2026). Special issue proposal: A (critical) metascience perspective on psychological theories and theorizing. Zenodo. doi.org/10.5281/zeno...
Show PostYet, asking „If you say your are an expert, are you?“ will yield a more sobering conclusion, right? Overlap between even the highest and lowest rating is substantial and ratings at the scale center will be more common than at the extremes. This should limit the diagnostic value of the ratings, no?
Show Postfave new demonstration of survey items being really not that bad at tracking carefully-measured cognitive things: in 900,000 participants, a 5-item "how good are you at music" self-report (the colours) very directly tracks a 20min adaptive test of music perception ability (the x-axis)
Show PostYeah people collectively (on average) sticking very close to an almost additive/linear, IRT like scale is wild…
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