(Cross-posted at the Princeton Election Consortium)
Many readers of this site know that pollsters vary in their methods. However, existing solutions, such as correcting for bias, have attracted controversy. As a result, one prolific pollster can dominate the discussion.
Here I present a solution based on a very simple -- and neutral -- statistical principle. If adopted by Pollster.com, TalkingPointsMemo, and FiveThirtyEight, it would make poll aggregation far more useful.