Jay Verkuilen
jverkuilen.bsky.social
Jay Verkuilen
@jverkuilen.bsky.social
statistics professor; amateur musician
Another article published, this one with CUNY GC alum Seamus Donnelly. We used classic Stout Lab nonparametric IRT methods to analyze the MacArthur-Bates Communicative Development Index: www.sciencedirect.com/science/arti...
The separability of early vocabulary and grammar knowledge
A long-standing question in language development concerns the nature of the relationship between early lexical and grammatical knowledge. The very str…
www.sciencedirect.com
March 29, 2025 at 12:58 AM
Reposted by Jay Verkuilen
I mean… Yeah. Yeah they do. For entirely known and warned-about reasons. Yes.
www.science.org/content/arti...
AI models miss disease in Black and female patients
Analysis of chest x-rays underscores need for monitoring artificial intelligence tools for bias, experts say
www.science.org
March 28, 2025 at 3:04 AM
"Any observed statistical regularity will tend to collapse once pressure is placed upon it for control purposes." ---Goodhart's Law, one of the most important things to understand about our data-rife modern age.
January 9, 2025 at 5:33 PM
New paper based on my talk from IMPS 2024, published with my graduate student Peter J. Johnson: www.mdpi.com/1099-4300/26...
A Definition of a Heywood Case in Item Response Theory Based on Fisher Information
Heywood cases and other improper solutions occur frequently in latent variable models, e.g., factor analysis, item response theory, latent class analysis, multilevel models, or structural equation mod...
www.mdpi.com
December 17, 2024 at 2:54 PM
Reposted by Jay Verkuilen
Twitter will only get worse with all the scientists fleeing... but I still have fighting feelings about giving it up...
November 19, 2024 at 2:25 PM