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 ...

Questionnaires can provide businesses with valuable information about potential and actual customers. As a small-business owner, you aren't likely to have the resources of a large corporation that can ...

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 ...

Objective: For more effective nutrition communication, it is crucial to identify sources from which consumers seek information. Our purpose was to assess perceived relevance and information needs ...

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 ...