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 testing of a short questionnaire developed to assess consumers’ use, understanding and perception of food labels

Food labels may have an important function in communicating nutrition information and have considerable potential to influence food choice and dietary behaviour. Questionnaire content was determined ...
Nature

Reproducibility and relative validity of a food-frequency questionnaire among French adults and adolescents

Our aim was to evaluate the reproducibility of a food-frequency questionnaire (FFQ) developed in a French population, and its validity against four 24-h dietary recalls (24-HRs). For most nutrients, ...
BMJ

Validity, reliability and responsiveness of patient-reported outcome questionnaires when assessing hip and groin disability: a systematic review

Background Novel treatment interventions are advancing rapidly in the management of hip and groin disability in the physically active young to middle-aged population. Objective To recommend the most ...
CMAJ

A guide for the design and conduct of self-administered surveys of clinicians

Survey research is an important form of scientific inquiry1 that merits rigorous design and analysis.2 The aim of a survey is to gather reliable and unbiased data from a representative sample of ...