Abstract

Every day, millions of people use mobile phones, play video games and surf the Internet. It is thus important to determine how technologies like these change what people think and how they behave. This is a central issue in the study of persuasive technologies. ‘Persuasive technologies’—henceforth ‘PTs’—are digital technologies, such as mobile apps, video games and virtual reality systems, that are deployed for the explicit purpose of changing attitudes and/or behaviours, without using coercion, deception or extreme forms of psychological manipulation (such as hypnosis or indoctrination), and without exerting a direct (not psychologically mediated) physical effect on the brain. Typically PTs employ strategies such as prompting, information provision and encouragement...