States health campaign messages designed to encourage behavior adaptation have greater likelihood of success than campaigns promoting avoidance of at-risk behaviors that cannot be avoided. Tests a model of health risk behavior using four different behaviors in a communication campaign aimed at reducing farmers' risk for skin cancer--questions…

Integrates existing theoretical perspectives on message content and negotiator motivation to formulate a comprehensive definitional model of the interrelationships among communication behaviors in crisis negotiation. Finds that the intensity of communication plays a polarizing role in the cylinder, with intense, functionally discrete behaviors…

Uses a theoretic model of attention to messages to guide a series of laboratory/field experiments involving mass media, classroom instruction, and health interventions. Draws on individual differences in need for novelty as a basis for identifying target audiences likely to engage in health-risk behaviors and as a guide for designing messages…

Reconsiders hierarchy models positing a learning model of behavior change wherein knowledge precedes attitudes, thus influencing behavior. Considers case of contraception in Peru; develops six possible knowledge, attitude, and practice permutations. Finds assessing the fit of such models consistent with emerging work in development communication…