Preferences are assumed to play a crucial role in many phenomena that are studied in learning psychology, social psychology, consumer science, emotion research, and clinical psychology. Given the pervasive impact that preferences have on behaviour, it is important to know where these likes and dislikes come from. Although some preferences are genetically determined, most stem from learning that took place during the lifetime of the individual. In this special issue, the editors focus on one such type of learning: associative learning of likes and dislikes, that is, changes in liking that are...