"An Inconvenient Truth" is an Academy Award-winning documentary about global warming presented by Al Gore. This documentary is appropriate for a lesson on fear appeals and the extended parallel process model (EPPM). The EPPM is concerned with the effects of perceived threat and efficacy on behavior change. Perceived threat is composed of an…

For decades, scholars have worked to understand the precise manner in which messages affect attitudes and ultimately behaviors. The dominant paradigm suggests that there are two methods or routes to attitude change, one based on careful consideration of the messages and the other based on simple decision rules, often referred to as heuristics…

The extended parallel process model (EPPM) is receiving increasing attention in many undergraduate and graduate persuasion and health communication textbooks and classes. The EPPM is concerned with the effect of four variables on behavior: (1) perceived susceptibility; (2) perceived severity; (3) response-efficacy; and (4) self-efficacy. The first…