Perhaps the most important part of the survey process is the creation of questions that accurately measure the opinions, experiences and behaviors of the public. Accurate random sampling will be ...

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 CAGE questionnaire is a series of four questions that doctors can use to check for signs of possible alcohol dependency. The questions are designed to be less obtrusive than directly asking ...