Patient-reported outcomes (PROs) are used in clinical trials to provide valuable evidence on
the impact of disease and treatment on patients' symptoms, function and quality of life. High …

When evaluating outcome tools, rheumatology researchers are familiar with the traditional
standards of measurement science: validity, reliability, and responsiveness (1). In these …

Abstract Background The Warwick-Edinburgh Mental Well-Being Scale (WEMWBS) was
developed to meet demand for instruments to measure mental well-being. It comprises 14 …

Objectives To demonstrate the use of Rasch analysis by assessing the appropriateness of
utilizing the Hospital Anxiety and Depression Scale (HADS) total score (HADS‐14) as a …

Background Rare diseases can lead to a significant reduction in quality of life for patients
and their families. Ensuring the patients voice is central to clinical decision making is key to …

Objective Stress impacts the quality of life and is associated with increased risk of mental
and physical disorders. The Perceived Stress Scale (PSS) is widely used for measuring …

Abstract Purpose of the Study: Older homeless adults living in shelters have high rates of
geriatric conditions, which may increase their risk for acute care use and nursing home …

Interest in the patient's views of his or her illness and treatment has increased dramatically.
However, our ability to appropriately measure such issues lags far behind the level of …

Objectives To test the psychometric properties of the EUROHIS-QOL 8-item index, a
shortened version of the World Health Organization Quality of Life Instrument-Abbreviated …

A recent review of the literature concluded that Rasch measurement is an influential
approach in psychometric modeling. Despite the major contributions of Rasch measurement …