I have been a teacher and a doctor for many years in my life. I have been formally teaching medical students, trying to deliver knowledge to them in the most interesting and most logical and understandable way, stressing why certain bits of knowledge are absolutely essential to keep in our brain and not in our smartphones.
I have made PowerPoint presentations. As a teacher you know whether the delivery of your lecture is effective or not because when it is effective, the audience, our students are quiet. They sit and look at you. They sit and look at your slides. And that is quite a rewarding part of teaching. I have had colleagues who were teaching and they became very irritated with the students because there was a constant background noise of students talking with each other in a slow voice. One of these colleagues burst out in a bout of anger demanding absolute silence. It worked for a short while. He got absolute silence for a few minutes but then the noise started again. The cause of the noise was not the students. The cause of the noise was a lack of preparation of the lecture by the teacher. He did not captivate the attention of his students. He was knowledgeable, he was good in his field but he did not apply basic principles to give a lecture that makes your audience silent.
It is not extremely difficult to give a good PowerPoint presentation. Two ingredients only. One, read a good book on how to create and give a good PowerPoint presentation. Two, empathy. Empathy? Yes empathy. Imagine yourself being part of the audience listening to you with the background knowledge of the person in the audience. What would you need to stay focused on what is said? What would jolt your attention back to the speaker and slides when you had been distracted by something else? If we think like this while making our slides, while preparing how we will deliver it, while doing the actual talk, we will be reasonably good orators, keeping the attention, avoiding the background noise of people talking to each other instead of listening to the talk.
But teaching is so much more than sharing knowledge. PowerPoint presentations are NOT the best way of teaching. I have created a few pages on interactive teaching with links below.
interactively teaching knowledge
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