Reproducibility, power and validity of visual analogue scales in assessment of appetite sensations in single test meal studies

OBJECTIVE: To examine reproducibility and validity of visual analogue scales (VAS) for measurement of appetite sensations, with and without a diet standardization prior to the test days. DESIGN: On two different test days the subjects recorded their appetite sensations before breakfast and every 30 min during the 4.5 h postprandial period under exactly the same conditions. SUBJECTS: 55 healthy men (age 25.6±0.6 y, BMI 22.6±0.3 kg/m2)....