Background: Reliability or validity studies are important for the evaluation of measurement error in dietary assessment methods. An approach to validation known as ...

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 ...

Background Validation of instruments used to measure physical activity patterns is essential when attempting to assess the effectiveness of physical activity interventions. Objectives To assess the ...

Background Self-report instruments to assess physical activity are still the most feasible option in many population-wide surveys, and often need to be very short owing to resource constraints. The ...

Abstract PURPOSE: To report the reliability and validity of the Functional Assessment of Cancer Therapy–Ovarian (FACT-O) in a consecutive series of outpatients with epithelial ovarian cancer. PATIENTS ...

Was a clear objective posed? Every questionnaire should be guided by a simple, clearly articulated objective that highlights the topic of interest, the type of respondents and the primary research ...

Reducing Treatment-Related Morbidity and Mortality in Early-Stage Hodgkin’s Disease and Why the Recent Southwest Oncology Group Trial Is Not the Way to Go PURPOSE: This is the first report on the ...