How Accurate Were the Political Science Forecasts of the 2016 Presidential Election?

With the dust settling from one of the most brutal and nasty presidential campaigns in modern American history and with the late vote returns creeping up to a final count, it is time to take stock of the presidential election forecasts offered initially to readers of the Crystal Ball website […] Read more »

The forecasts were wrong. Trump won. What happened?

… Trump’s Election Day victory, with 306 electoral votes, took us by surprise. My forecast was wrong. It’s time to understand why. The forecast was based on a statistical model that analyzed nearly 1,400 state-level pre-election public opinion polls, in combination with a set of political and economic “fundamentals” that […] Read more »

Trade Secrets From the Predictors Who Called a Trump Victory

Now that the initial dust has settled from the historically surprising 2016 election, we all have one question: What went wrong with the polls and predictions? They showed Hillary Clinton over Donald Trump, sometimes handily. Just about everyone blew the call. Well, not everyone: There were some people who got […] Read more »

Why did pollsters like me fail to predict Trump’s victory?

America is being shaped irreversibly by a growing new majority of millennials, racial minorities, immigrants and secular people. So how did the presidential election produce such a reactionary result, surprising all the pollsters, including me? “Shy” Tories and Brexiters apparently upended Britain. Did “shy” Trump voters upend America? To understand […] Read more »