Dr. Ray Pastore mentioned 6 different multimedia learning principles in the video which are split attention, redundancy, coherence, spatial, signaling, and interactivity. And I think Dr. Ray Pastore follows the principles of split attention, spatial, signaling, and interactivity in his video. In my opinion, one of the most important reasons why an expert is not able to follow all principles in a multimedia learning object is that the expert needs to adjust the principles he needs to use according to his audience and the content of the topic. For example, when the teacher teaches elementary school students, the teacher needs to prepare many pictures and interesting games to make the students understand the subject. But when the teacher teaches some students with eye diseases, the teacher needs to use different methods and principles to make the students understand the knowledge.

We can apply the principles of multimedia, modality, signaling, split-attention, and spatial in our PowerPoint presentation.

The multimedia learning principle I have intuitively followed in the past is the signaling principle. I used bright colors to highlight the key terms in the slides so that the audience can access the key information of the slides easily.  On the contrary, I once violated the principle of split-attention. When I was preparing a presentation on how to prevent school violence, I put some wild animal photos in the PowerPoint. The purpose of these photos is to make my slides look more interesting but in the end, I found that some audience focused on the animal pictures instead of my speech.

 

Youtube video: