Intervention mapping
To get to the core, Coster uses Intervention mapping: a methodology from healthcare. The methodology consists of six steps. The first step consists of a needs assessment . Here you determine which problem you want to solve and what the desired behavior is that people must perform to solve this problem.
In the second step, you determine the concrete goals of the campaign. need to do with your campaign, in step three you will choose the right change method and techniques. In the fourth step, all the information from steps one to three comes together and you will really start making the campaign physical. According to Coster, this is the moment to hire a creative agency. Then you will start marketing the campaign. The last step consists of an evaluation.
Psychological principles
Unfortunately, this is the only theoretical model and we do not get a practical case afghanistan mobile phone number list Coster does provide a number of examples that make it clear how you can apply psychological principles in campaigns. A very clear one is the commitment-consistency theory. This states that people want to live in accordance with their words, attitudes and actions. In short, it comes down to the fact that whoever says a, must also say b. A Facebook like is an example of saying a. It is a public shared commitment.