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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....

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Detalhes bibliográficos
Publicado no:AAPS J
Main Authors: Wellhagen, Gustaf J., Ueckert, Sebastian, Kjellsson, Maria C., Karlsson, Mats O.
Formato: Artigo
Idioma:Inglês
Publicado em: Springer International Publishing 2021
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Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC7966126/
https://ncbi.nlm.nih.gov/pubmed/33728519
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1208/s12248-021-00555-3
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