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Ann Readapt Med Phys. 2005 Jul;48(6):281-7. Epub 2005 Apr 25.

[Validation of assessment scales in physical medicine and rehabilitation: how are psychometric properties determined?].

[Article in French]

Author information

1
Service de biostatistique, Assistance-publique-Hôpitaux-de-Paris, université Paris-V, hôpital Necker-Enfants-malades, 149, rue de Sèvre, 75015 Paris, France. fermanian@necker.fr

Abstract

The psychometric properties of a rating scale are, unfortunately, badly assessed in practice. Each property is thoroughly studied. Validity has different facets: content, criterion, construct, face validity. Each facet is accurately defined and the experimental and statistical methods used are explained in detail. Reliability is assessed with use of the intraclass correlation coefficient and the Bland and Altman method. Guidelines are given for choosing, in a specific experimental situation, the appropriate coefficient. Responsiveness is evaluated with use of effect size and standardized response mean. Finally practical recommendations are given.

PMID:
15923054
DOI:
10.1016/j.annrmp.2005.04.004
[Indexed for MEDLINE]

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