The Controversial Side of Polling and Music Competitions.

There have been long-standing accusations of bias in the voting process of the Eurovision song contest, with some countries being advantaged or disadvantaged. A statistics professor created a model to determine the existence of such biases. Meanwhile, a study by the Pew Research Center shows that the polling industry has changed significantly since the start of the century, with the days of random landline phone dialing gone, raising questions about the accuracy of public opinion research.