The Sally Anne task: a psychological experiment for a post-truth era?

We may be entering the ‘alternative facts’ era – but psychologists have been studying how we develop an understanding of false beliefs for decadesFor decades, developmental psychologists have been fascinated with the question of how children develop theory of mind – in other words, how we come to understand that other people can have different types of thoughts, beliefs and knowledge to ourselves. A key milestone in this journey involves developing a notion of false belie