Are opinion polls accurate?

How often do you eat chocolate? It's one of the most loved sweet treats in Europe, but a new EU law could make chocolate more expensive. A business owner, who has small cocoa farms in these places, shares their thoughts and concerns about the new law. We also hear from chocolate ...  Show more

How many animals can you think of that are black and white? Zebras, penguins, orcas, snow leopards… there are loads! But have you ever wondered why these animals have developed such unique and striking appearances? Neil and Becca discuss this and teach you some new vocabulary.As ...  Show more

Today, we can’t imagine an election without an opinion poll gauging public opinion on who’s leading, who’s won a debate or who’s more popular with a specific group of voters. Even our favourite chocolate bars and footballers are subject to a poll. But how did straw polls evolve i ...  Show more

Hillary Clinton lost the US election despite some polls putting her chances of winning at 99%.In the run up to the vote pollsters spent huge sums of money speaking to thousands of Americans. They were careful to collect the best possible data from representative samples, and they ...  Show more

The 2016 U.S. presidential election is over. And if you'd been following the polls, the results might have been surprising. What went wrong with those polls? It has to do with statistical and systematic uncertainties. Read the full transcript here: http://bit.ly/2gnNRpX 

Pollsters are starting to panic. There’s headline after headline after headline ahead of the midterms on whether this election cycle’s polling is accurate or not. How does polling actually work? Is it really representative of how voters are feeling and what the outcome will be on ...  Show more