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stat.ME2026
A Latent Variable Model for Response Times with Individual-Specific Change-Points
Gabriel Wallin, Nivedita Bhaktha
Response times collected in computerised assessments provide information about the underlying response process and may exhibit within-person variation over the course of a test. We…
stat.ME2026
Latent Impact and Differential Item Functioning Analysis for Asymmetric IRT Models
Gabriel Wallin, Qi Huang
Differential item functioning (DIF) arises alongside latent population heterogeneity in many applications, and both must be accounted for when assessing measurement invariance. In…