Writing an effective questionnaire is not a task for novices. At the very least, it requires an understanding of four basic issues: Considering the differences between a questionnaire that respondents ...

Researchers developed a 30-item questionnaire to measure health-related quality of life of adolescent and young adult patients with cancer.

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Pew Research Center often conducts surveys around the globe on sensitive topics, ...

Results for the survey are based on telephone, face-to-face and online interviews conducted under the direction of Gallup, Kantar Public, Langer Research Associates and Social Research Centre. The ...