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 ...

Marketing research is usually the first step in the marketing process, after ideas for products are conceived. Small companies conduct marketing research to obtain information from the marketplace.

National or international cohort studies that follow a large group of individuals over time to understand factors that lead to different outcomes. They are useful for studies that need a large amount ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. One reality of the polling world is item nonresponse — that is, when survey ...