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Re:USC professor’s DIY online teaching hack to engage studen... by tsumnia on Monday June 21, 2021 @05:09AM (#27577504)
Same! I don't do anything as elaborate as the article, but I use a combination of OBS, PowerPoint, GIMP, IDEs, and a cheap Wacom tablet to demonstrate all the concepts for my classes.

The "Khan Academy"-style drawing I think really helps keep learning online casual and conversational in a way just presenting slides doesn't.

Re:USC professor’s DIY online teaching hack to engage studen... by bbvnvlt on Tuesday June 22, 2021 @01:32PM (#27594562)
Yes! Educational research supports being casual and conversational. Although for drawing diagrams, a physical overhead with the instructor's hand visible seems to work far better than Khan style video.

See: Fiorella, L., & Mayer, R. E. (2016). Effects of observing the instructor draw diagrams on learning from multimedia messages. Journal of Educational Psychology, 108(4), 528.

https://sci-hub.se/https://doi.org/10.1037/edu0000065