3 papers
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…
stat.ME2026
Propensity Score Methods for Local Test Score Equating: Stratification and Inverse Probability Weighting
Gabriel Wallin, Marie Wiberg
In test equating, ensuring score comparability across different test forms is crucial but particularly challenging when test groups are non-equivalent and no anchor test is availab…