Cargando…

An Item Response Theory–Informed Strategy to Model Total Score Data from Composite Scales

Composite scale data is widely used in many therapeutic areas and consists of several categorical questions/items that are usually summarized into a total score (TS). Such data is discrete and bounded by nature. The gold standard to analyse composite scale data is item response theory (IRT) models....

Descripción completa

Detalles Bibliográficos
Autores principales: Wellhagen, Gustaf J., Ueckert, Sebastian, Kjellsson, Maria C., Karlsson, Mats O.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer International Publishing 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7966126/
https://www.ncbi.nlm.nih.gov/pubmed/33728519
http://dx.doi.org/10.1208/s12248-021-00555-3