Objective: To assess the validity of a semi-quantitative food-frequency questionnaire (SFFQ) used in a large nation-wide dietary survey among 12-month-old Norwegian infants. Methods: The SFFQ was ...

The JAF quantitative questionnaire template is based on the UNHCR-WFP Joint Analytical Framework. It includes the complete JAF household survey question modules based on the JAF Data Analysis Plan and ...

Quantitative business research focuses on quantifying behaviours, opinions, trends, and other variables by collecting and analysing measurable, numerical data. It answers questions related to “how ...

Previous studies have identified a discrepancy between patient perception of asthma control and real-world symptoms; despite several hypotheses, the reasons remain unclear. To explore patients' ...