Preferences are assumed to play a crucial role in many phenomenas that are studied in learning psychology, social psychology, consumer science, emotion research, and clinical psychology. Given the pervasive impact that preferences have on behavior, 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. This special issue focuses on one such type of learning: Associative learning of likes and dislikes (changes in liking that are due to the pairing of stimuli). Prior studies on evaluative conditioning have shown that pairing an affectively neutral stimulus with an affectively positive or negative stimulus will change the liking of the originally neutral stimulus. The papers that are part of this special issue explore the relevance of evaluative conditioning for social psychology, provide new data about the impact of contingency awareness, attention, and extinction trials on evaluative conditioning, and examine whether pairing stimuli can also result in the transfer of non-evaluative stimulus properties.