We tested whether a utility value intervention (via manipulated relevance) influenced interest and performance on a task and whether this intervention had different effects depending on an individual's performance expectations or prior performance. Interest was defined as triggered situational interest (i.e., affective and emotional task reactions) and maintained situational interest (i.e., inclination to engage in the task in the future). In 2 randomized experiments, 1 conducted in the laboratory and the other in a college classroom, utility value was manipulated through a writing task in which participants were asked to explain how the material they were learning (math or psychology) was relevant to their lives (or not). The intervention increased perceptions of utility value and interest, especially for students who were low in expected (laboratory) or actual (classroom) performance. Mediation analyses revealed that perceptions of utility value explained the effects of the intervention on interest and predicted performance. Theoretical and practical implications are discussed. (Contains 5 tables, 3 figures and 1 footnote.)