How polling methodology affects Ralph Northam’s lead in the Virginia governor’s race

Final polls show Democrat Ralph Northam holding a slight edge over Republican Ed Gillespie before Tuesday’s election for governor of Virginia. But a lot of uncertainty remains, especially given the typically low turnout in off-year elections and recent poll misfires in Virginia. Polls significantly underestimated Republican candidates in the 2013 […] Read more »

When Should We Start Paying Attention to the Congressional Generic Ballot Test?

For years, the best tool to predict which party will gain House seats in any given election has been the so-called “generic ballot test.” The “generic” is a poll question that asks voters which party they’d support in the upcoming congressional election. While it can’t tell us exactly how many […] Read more »