Persuasion Theories in Advertising We are bombarded daily with a variety of communicative devices that attempt to influence our thoughts, behaviors, and attitudes in some way. The primary role of this advertising methodology is to persuade, to change the way we construct a certain meaning in our head. Persuasion is a very powerful tool in affecting our idea of how, what or who people should be. The media uses this tool in an attempt to create a need for their product in society. In the ad for Orthro Tri-Cyclen birth control pills they focus on the added benefit their product has over other birth control pills and topical skin medications. The producer