The assumption of local independence is central to all item response theory (IRT) models.
Violations can lead to inflated estimates of reliability and problems with construct validity. For …

The main objective of this study is to develop a self-report instrument to measure pre-service
teachers' perceptions of the extent to which they experience the necessary support and …

Background Burnout is a mental condition defined as a result of continuous and long-term
stress exposure, particularly related to psychosocial factors at work. This paper seeks to …

Objectives Pain visual analogue scales (VAS) are commonly used in clinical trials and are
often treated as an interval level scale without evidence that this is appropriate. This paper …

Purpose: Psychometric properties of the World Health Organization Disability Assessment
Schedule (WHODAS-II) in stroke have received some attention recently, mostly using …

The application of the Rasch measurement model in rehabilitation is now well established.
Both its dichotomous and polytomous forms provide for transforming ordinal scales into …

Background Burnout is related to huge costs, for both individuals and organizations and is
recognized as an occupational disease or work-related disorder in many European …

OBJECTIVE: The purpose was to introduce the Rasch model by showing an application in
nursing research. METHODS: The Rasch model was used to examine the psychometric …

Purpose: The present paper presents developments and advanced practical applications of
Rasch's theory and statistical analysis to construct questionnaires for measuring a person's …

ObjectiveCritical nutrition literacy (CNL), as an increasingly important area in public health
nutrition, can be defined as the ability to critically analyse nutrition information, increase …