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

The main aim of this study was to assess the reliability and validity of a food frequency questionnaire with 23 food groups (I-FFQ) among a sample of 9–11-year-old children from three different ...

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 ...

2 Department of Family Practice (Allan McGavin Sports Medicine Centre) and School of Human Kinetics, University of British Columbia, Vancouver, Canada 3 Department of Physiotherapy, LaTrobe University ...

Those of us in the business of psychological measurement use the terms reliability and validity a lot. You've probably seen those terms on the Psychology Today website (they appear thousands of times) ...

Context: Sex is important to quality of life. There are a number of questionnaires to measure sexual-function, but many lack applicability and usefulness to certain groups. Objective: To identify ...

Employers gauge a job candidate's ability to work and learn in an establishment through pre-employment assessments. To make a sound decision in the hiring process, companies should understand how to ...

The main findings of the present study were that the agreement, reliability and construct validity of the questionnaires examined are acceptable. Differences in agreement between the questionnaires ...