Definition of the construct to be measured is a prerequisite for the assessment of validity. The Neck Disability Index as an example

Article ID	Journal	Published Year	Pages	File Type
10513896	Journal of Clinical Epidemiology	2013	10 Pages	PDF

Abstract

It is questionable whether in research the NDI should be the instrument of choice for use as a primary outcome measure. Definition of the construct to be measured is a prerequisite for the assessment of validity.

Keywords

Construct validity Content validity Construct Neck Disability Index patient-reported outcome measure Item Response Theory

Related Topics

Health Sciences Medicine and Dentistry Public Health and Health Policy

Preview

Definition of the construct to be measured is a prerequisite for the assessment of validity. The Neck Disability Index as an example

Authors

Luc Ailliet, Dirk L. Knol, Sidney M. Rubinstein, Henrica C.W. de Vet, Maurits W. van Tulder, Caroline B. Terwee,