Definition of the construct to be measured is a prerequisite for the assessment of validity. The Neck Disability Index as an example
| Image |  |
|---|---|
| Description | scientific article published on 22 April 2013 |
| Author/s |
author: Luc Ailliet Sidney M Rubinstein Maurits W van Tulder Dirk L Knol Henrica C. W. de Vet |
| Publication date | April 22, 2013 |
| Language | |
| Country of origin | |
| Wikipedia link | |
| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |