I knows it when I sees it

When I first started teaching graduate courses back in 2012 (wow...time flies), my hallmark course was titled The Design and Instruction of Online Courses. Most of my students were folks who were learning to be instructional designers, or faculty who wanted to learn to teach online and had some years of teaching in person under their belt. One of the most common things I heard in that class was that it was easier when teaching on campus to determine if students were engaged or paying attention. Just by looking at them, you could determine this by their facial expressions and body language. Eh...OK🤷‍♂️. While I don't disagree that some people may have this ability some of the time with some of the students in front of them, I still think that people tend to overestimate their ability to do this.Fast forward to today, browsing through the r/Professors subreddit, one tends to find posts asking fellow redditors how they can tell if their student's work is generated by an LLM. We all know…