SARAH HARRISON is Research Officer in Electoral Psychology at the London School of Economics and Political Science, UK. She has published multiple books including The Future of our Democracies? 2009, and articles in the fields of extremist politics, political participation, electoral psychology, party politics and political protest. MICHAEL BRUTER is Reader in Political Science at the London School of Economics and Political Science, UK, and Visiting Professor at Columbia University, USA. He has published multiple books including the Encyclopaedia of European Elections, 2007 and articles in the fields of electoral psychology, elections, public opinion and research methods. He directs 'Inside the Mind of a Voter', a major ERC project.