A randomised comparison of a four- and a five-point scale version of the Norwegian Function Assessment Scale

BACKGROUND: There is variation in the number of response alternatives used within health-related questionnaires. This study compared a four-and a five-point scale version of the Norwegian Function Assessment Scale (NFAS) by evaluating data quality, internal consistency and validity. METHODS: All inh...

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Bibliographic Details
Main Authors: Østerås, Nina, Gulbrandsen, Pål, Garratt, Andrew, Benth, Jūratë Šaltytë, Dahl, Fredrik A, Natvig, Bård, Brage, Søren
Format: Artigo
Language:Inglês
Published: BioMed Central 2008
Subjects:
Research
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC2276196/
https://ncbi.nlm.nih.gov/pubmed/18279500
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1477-7525-6-14
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