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 ...

Effective organizations are efficient, productive, and exhibit strength in leadership, decision making, people, work processes and the corporate culture of the organization. While each element is ...

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 ...

Cross-sectional validation study using an independent biomarker of fish consumption. Participants completed the questionnaire and provided a fasting blood sample for erythrocyte membrane omega-3 fatty ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. (Related post: How focus groups informed our study about nationalism and ...