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 ...

When it comes to getting a lot of information in a short period, a questionnaire may be the answer. Questionnaires contain lists of questions in open-ended or closed-ended formats. While it takes time ...

A screenshot from the Ages & Stages Questionnaire website. When it comes to finding and helping children who may have developmental delays or disabilities, Oregon favors an "umbrella" approach known ...

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, ...