Although the FFQ was not validated for phylloquinone and menaquinones at that time, we estimated relative validity of phylloquinone and menaquinones using the data of the validation study.
Kesse-Guyot E, Castetbon K, Touvier M, Hercberg S, Galan P. Relative validity and reproducibility of a food frequency questionnaire designed for French adults.
Similarly, it covers content validity, indicators of absolute vs relative validity, and internal vs external validity.
This study assessed the relative validity of the 68-item food frequency questionnaire (FFQ) used in the BWHS baseline questionnaire.
Therefore, the relative validity of driving simulator was well established for the traffic safety studies at signalized intersections.
Contrary to prediction, differential responding based on relative validity was preserved under amphetamine, for both light and tone stimuli.
The Anti Cancer Council of Victoria FFQ: relative validity of nutrient intakes compared with weighed food records in young to middle-aged women in a study of iron supplementation.
Pisani P, Faggiano F, Krogh V, Palli D, Vineis P, Berrino F. Relative validity and reproducibility of a food frequency dietary questionnaire for use in the Italian EPIC centers.
Objective To determine the relative validity of a quantitative beverage frequency questionnaire in assessing beverage, calcium, and vitamin D intakes using 3-day food diaries for reference.
The aim of this study was to assess the reproducibility and relative validity of a food frequency questionnaire (FFQ) designed to estimate the intake of dioxin-like contaminants.
The relative validity of food frequency questionnaires for estimating long-chain polyunsaturated fatty acid (LC-PUFA) intake among pregnant Japanese women is currently unclear.
