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 ...

Objective: To assess the relative validity of a semi-quantitative food frequency questionnaire (SQFFQ) against 28 day weighed diet records (WDRs). Subjects and methods: The SQFFQ was administered to ...

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 ...

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 ...

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 ...

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 ...