This article contains empirical tests of the information-motivation-behavioral skills (1MB) model of AIDSpreventive
behavior (J. D. Fisher & Fisher, 1992; W. A. Fisher & Fisher, 1993a), which has been designed
to understand and predict the practice of AIDS-preventive acts. The 1MB model holds that AIDS-preventive
behavior is a function of individuals' information about AIDS prevention, motivation to engage in AIDS
prevention, and behavioral skills for performing the specific acts involved in prevention. The model further
assumes that AlDS-prevention information and motivation generally work through AIDS-prevention
behavioral skills to influence the initiation and maintenance of AIDS-preventive behavior. Supportive tests
of the model, using structural equation modeling techniques, are reported with populations of gay male