2 code implementations • 20 Sep 2021 • Christopher J. Urban, Daniel J. Bauer
We investigate novel parameter estimation and goodness-of-fit (GOF) assessment methods for large-scale confirmatory item factor analysis (IFA) with many respondents, items, and latent factors.
no code implementations • 22 Jan 2020 • Christopher J. Urban, Daniel J. Bauer
Marginal maximum likelihood (MML) estimation is the preferred approach to fitting item response theory models in psychometrics due to the MML estimator's consistency, normality, and efficiency as the sample size tends to infinity.