1. Department of Philosophy and Education Sciences, University of Turin, Turin, Italy;
2. Department of Psychological Methods, University of Amsterdam, Amsterdam, The Netherlands;
3. Department of Psychology, University of Groningen, Groningen, The Netherlands;
4. Department of Industrial Engineering & Innovation Sciences, Technical University Eindhoven, Eindhoven, The Netherlands;
5. Department of Statistical Science, University College London, London, UK;
6. School of Psychology, Cardiff University, Cardiff, Wales, UK;
7. Department of Statistics and Department of Political Science, Columbia University, New York, NY