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 ...

Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...

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 ...

The JAF qualitative questionnaire template is a series of qualitative questions designed to be conducted as focus group discussions based on the JAF Data Analysis Plan. The template should be adapted ...

If you want to better understand your customers, you may find yourself thinking about putting together a short questionnaire. You might, for example, want to know how satisfied your customers are with ...

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 ...