Analysis of the psychometric properties of the Multiple Sclerosis Impact Scale-29 (MSIS-29) in relapsing–remitting multiple sclerosis using classical and modern test theory

Background Investigations using classical test theory support the psychometric properties of the original version of the Multiple Sclerosis Impact Scale (MSIS-29v1), a disease-specific measure of multiple sclerosis (MS) impact (physical and psychological subscales). Later, assessments of the MSIS-29...

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Veröffentlicht in:	Multiple sclerosis journal - experimental, translational and clinical translational and clinical, 2016-01, Vol.2, p.2055217316673235-2055217316673235
Hauptverfasser:	Bacci, ED, Wyrwich, KW, Phillips, GA, Vollmer, T, Guo, S
Format:	Artikel
Sprache:	eng
Schlagworte:	Classical test theory Clinical trials Item response theory Multiple sclerosis Original Quantitative psychology Questionnaires Rasch model
Online-Zugang:	Volltext
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