Shira Elqayam is a Reader in Cognitive Science at De Montfort University, Leicester, UK. Her work focuses on reasoning, normative thinking, and rationality. Jean-François Bonnefon is a Senior Research Scientist at the Toulouse School of Economics, France, where he studies the psychology of rational thinking and behavior.David Over is an Emeritus Professor in the Psychology Department at Durham University, UK. His main focus is on the psychology of reasoning.