Post presentation is the phase dealing with the evaluation of the desired effect of the presentation on audience. It can be analysed in two ways :
1. The first one is to give the opportunity to the audience to participate in the Question and Answer session held
right after the presentation. In this session, the questions asked by the audience hold signs of how much of the main idea –if any- has been understood. The feedback received from the audience enables the presenter to correct his errors, clarify or complete the incoherent parts of his presentation. Aside from that, the Question and Answer session is a good way of self-evaluation for the presenter. That way he can benefit from the criticism he receieved from the audience.
2. The second one is doing a survey after the presentation. By looking at the survey results, the presentation can be evaluated (Bienvenu, 2008) However, it is sometimes an incomplete evaluation method, for it lacks sufficient data to decide whether the audience adopted the desired manner or whether the presentation has been a success
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or not. The reason behind the possible incompetence of the survey results could be the emotional responses given to the questions asked in the survey. Hence, evaluating whether the audience has adopted the desired behaviour can only be fulfilled by getting feedback one week after the presentation. Only then can the results of the survey, the Question and Answer Session and the feedback be merged to get a healthy evaluation. Especially in advertising and promotion businesses, a successful evaluation will objectively produce structural achievement.