While the notion that polls should include equal numbers of Republicans and Democrats makes some sense, it’s based on a misunderstanding of what polling is intended to do.
The Center conducts polls in many countries other than the U.S. – but the methodology behind our international surveys can vary.
Nick Bertoni, manager of the American Trends Panel, explains how the panel works and what its recent expansion means for our future survey work.
What does the migration to online polling mean for the country's trove of public opinion data gathered over the past four decades?
Evolution remains a contentious issue. When asked about it, highly religious Americans' responses can vary depending on how the question is asked.