2 papers
stat.AP2026
A penalized heteroskedastic ordered probit model for DIF (measurement invariance) testing of single-item assessments in cross-cultural research
R Noah Padgett
Differential item functioning (DIF) or measurement invariance (MI) testing for single-item assessments has previously been impossible. Part of the issue is that there are no condit…
stat.ME2025
Multidimensional constructs and moderated linear and nonlinear factor analysis
R. Noah Padgett
Multidimensional factor models with moderations on all model parameters have so far been limited to single-factor and two-factor models. This does not align well with existing psyc…