Nature

The reliability and validity of a short food frequency questionnaire among 9–11-year olds: a multinational study on three middle-income and high-income countries

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 ...
BMJ

Development and validation of a questionnaire (FASH—Functional Assessment Scale for Acute Hamstring Injuries): to measure the severity and impact of symptoms on function and ...

10 Department of Sport and Sport Science, University of Freiburg, Freiburg, Germany Correspondence to Korakakis Vasileios, Department of Physical Education & Sport Science, University of Thessaly, ...
JSTOR Daily

Development and validation of the Day in the Life Questionnaire (DILQ) as a measure of fruit and vegetable questionnaire for 7–9 year olds

The Day in the Life Questionnaire (DILQ) was developed as a supervised classroom exercise to measure children's consumption of fruit and vegetables. The DILQ uses words and pictures to encourage the ...