Fig. 7
From: State of the psychometric methods: comments on the ISOQOL SIG psychometric papers
Evaluation of category order for item EDDEP48 using the nominal categories IRT model (NCM)
Fig. 7 | Journal of Patient-Reported Outcomes
From: State of the psychometric methods: comments on the ISOQOL SIG psychometric papers
Evaluation of category order for item EDDEP48 using the nominal categories IRT model (NCM)