1. Hector Research Institute of Education Sciences and Psychology, University of Tübingen, Germany and LEAD Graduate School & Research Network, Germany
2. Centre for Mathematical Cognition, School of Science, Loughborough University, UK and Leibniz-Institut für Wissensmedien, University of Tübingen, Germany
3. Digital Psychology Lab, University of Graz, Austria and LEAD Graduate School & Research Network, Germany
4. White Research, Belgium and LEAD Graduate School & Research Network, Germany