There's also a distraction issue: you can write while the professor writes, and they can't really talk coherently while they're writing. With a presentation, they can start talking while you're still taking notes.
Additionally, having to write out content in longhand slows down the amount of info you can cram into a lecture.
> Additionally, having to write out content in longhand slows down the amount of info you can cram into a lecture.
I'm not sure if you meant that as a positive or a negative, but that was the biggest advantage for me when I had chalk board classes. If you can't write down everything you want to say, your students can't either.
Additionally, having to write out content in longhand slows down the amount of info you can cram into a lecture.