Abstract: Empirical research aims to establish generalizable claims from data. Such claims may involve concepts that must be measured indirectly by using indicators. Construct validity is concerned ...

Background: The Bilateral Vestibulopathy Questionnaire (BVQ) is a recently developed 54-item Patient Reported Outcome Measure (PROM) that evaluates the clinically important symptoms of bilateral ...

Background: Stroke is a leading cause of long-term disability among stroke survivors. Despite the availability of numerous stroke rehabilitative therapies, such as mirror therapy, bilateral arm ...

Baseline PIH data were collected for a total of 294 patients with a range of co-morbid chronic conditions including diabetes, cardiovascular disease and arthritis. Scale data for the initial sample of ...

Factor analysis is carried out to psychometrically evaluate measurement instruments with multiple items like questionnaires or ability tests. EFA and CFA are widely used in measurement applications ...

The objective of this study was to verify the content validity, reliability and construct validity of a checklist for dive roll evaluation. As for content validity, 4 experts in the Artistic ...