title: Methodological issues regarding power of classical test theory (CTT) and item response theory (IRT)-based approaches for the comparison of patient-reported outcomes in two groups of patients--a simulation study.
authors.affiliation: EA 4275 Biostatistique, recherche clinique et mesures subjectives en santé, Faculté de Pharmacie, Université de Nantes, 1 rue Gaston Veil, 44035 Nantes Cedex 1, France. veronique.sebille@univ-nantes.fr
authors.forename: Véronique
authors.initials: V
authors.lastname: Sébille
authors.forename: Jean-Benoit
authors.initials: JB
authors.lastname: Hardouin
authors.forename: Tanguy
authors.initials: T
authors.lastname: Le Néel
authors.forename: Gildas
authors.initials: G
authors.lastname: Kubis
authors.forename: François
authors.initials: F
authors.lastname: Boyer
authors.forename: Francis
authors.initials: F
authors.lastname: Guillemin
authors.forename: Bruno
authors.initials: B
authors.lastname: Falissard