Medscape

Agreement, Reliability and Validity in 3 Shoulder Questionnaires in Patients with Rotator Cuff Disease

Background: Self-report questionnaires play an important role as outcome measures in shoulder research. Having an estimate of the measurement error of these ...
Nature

Validity and reliability of the Persian version of food preferences questionnaire (Persian-FPQ) in Iranian adolescents

The assessment of dietary intakes and habits using reliable and youth-specific measurement tools during adolescence is essential. The aim of the present study was to culturally adapt and investigate ...
Nature

Validity of the Urinary Symptom Questionnaires for people with neurogenic bladder (USQNB) who void or use indwelling catheters

Neurogenic lower urinary tract dysfunction (NLUTD), or “neurogenic bladder” is a common and disruptive condition for individuals with spinal cord injury (SCI) and disease (including multiple sclerosis ...
BMJ

The reliability and validity of the physical activity questions in the WHO health behaviour in schoolchildren (HBSC) survey: a population study

1 NSW Centre for the Advancement of Adolescent Health, Department of Paediatrics and Child Health, University of Sydney at The Children's Hospital at Westmead, New South Wales, Australia 2 Physical ...
BMJ

Limits to the measurement of habitual physical activity by questionnaires

Despite extensive use over 40 years, physical activity questionnaires still show limited reliability and validity. Measurements have value in indicating conditions where an increase in physical ...