Q19. Suggest three (3) information collection techniques that could be implemented at the conclusion of the presentation to evaluate the presentation's effectiveness

One of my answer (Observation technique

There are several passive data gathering methods available, and this may not be the best first pick for you. As a neutral third party, the researcher can monitor the events taking place or participate in them.

In order to avoid this, it is possible to incorporate biases into the study process, which will have an adverse effect on data quality. Because of their preconceived ideas about what they are witnessing, participants often find it difficult to maintain an impartial perspective on what is going on.)