The evaluation of the survey depends on the survey method. If a camera was used, the statements must be transcribed and the key aspects recorded. If a survey has been created in which questions are answered using the multiple choice system, the results can be analysed in this double lesson. Here it is a good idea to make the individual questions and the correct result visible to everyone using the projector and to entrust the pupils with the task of evaluating the results. Specifically, each student receives a set of questionnaires, which he/she evaluates in terms of response behaviour. The results can be used to draw conclusions about the attitudes and consumer behaviour of the respondents. This result should then be discussed critically.