Using forced-choice and continuous measures, introductory psychology students reported highest interest for the topical areas of clinical and social psychology (over biological, cognitive, and developmental) and for the applied areas of education and health (over business, environment, and law) at both the beginning and end of semesters. Among other results, some topical interests related to particular applied interests, women preferred developmental psychology more than men, but most pretest gender differences in interests (e.g., in biology) disappeared statistically by the end of the semester. We compared our method and findings with earlier interest research, noting several methodological and analytical improvements and one limitation. We also discuss possible uses of the data in teaching introductory psychology and other survey courses. (Contains 2 tables.)