Nate Silver vs. Sam Wang on Midterm Polling

On Monday, Nate Silver was on the show to discuss FiveThirtyEight’s midterm forecast, which favors the GOP, and dismissed Sam Wang’s forecast heavily favoring Democrats. We follow up with Sam Wang on his model, and what leads different statistical wranglers to come to such different conclusions. The Brian Lehrer Show […] Read more »

Democrats Now Have a Seventy-Per-Cent Chance of Retaining Control of the Senate

… Because polls have better predictive value than fundamentals do, it would seem prudent to ask what an unadulterated poll-based snapshot of the Senate race looks like. … But can a snapshot of today’s polls really tell us that much about an election held eight weeks from now? As it […] Read more »

Registered Voter Polls Will (Usually) Overrate Democrats

… Polls of so-called likely voters are almost always more favorable to Republicans than those that survey the broader sample of all registered voters or all American adults. Likely voter polls also tend to provide more reliable predictions of election results, especially in midterm years. Whereas polls of all registered […] Read more »