Unsupervised item response theory models for assessing sample heterogeneity in patient-reported outcomes measures

ConclusionPCTree and MixPCM were not consistent in detecting covariates associated with differential interpretations of PROM items. Future research will use computer simulations to assess these models ’ Type I error and statistical power for identifying covariates associated with DIF.
Source: Quality of Life Research - Category: Health Management Source Type: research