Fig. 2
From: State of the psychometric methods: comments on the ISOQOL SIG psychometric papers

Discrimination parameter estimates according to Confirmatory Factor Analyses (CFA) and Item Response Theory (IRT) models, and item misfit
From: State of the psychometric methods: comments on the ISOQOL SIG psychometric papers
Discrimination parameter estimates according to Confirmatory Factor Analyses (CFA) and Item Response Theory (IRT) models, and item misfit