The General Nutrition Knowledge Questionnaire (GNKQ) was developed in the 1990s and has been widely used. Since then advances in understanding of associations between diet and disease have led to ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Pew Research Center conducts surveys all around the world on a variety of topics ...

The questionnaire is a vital tool for both quantitative and qualitative data collection. The following questionnaire templates should be adapted by country offices only after the finalization of the ...