Who is leading in the polls? There are plenty of misconceptions about polls that are conducted during election years. We spoke to a pollster who gave us the answers. Here's what you need to know.

Historically, most public opinion polls did not weight on past (recalled) vote, and experts have highlighted the challenges of the practice. But polling has changed dramatically in the past quarter ...

Pew Research Center launched a new project called the National Public Opinion Reference Survey (NPORS). NPORS is an annual, cross-sectional survey of U.S. adults. Respondents can answer either by ...