(article tldr: You warn them there's one lie per lecture, and that focuses their attention on figuring it out, which necessarily requires a deep understanding o

(article tldr: You warn them there's one lie per lecture, and that focuses their attention on figuring it out, which necessarily requires a deep understanding of the material.) The thing is, this rests on the (far more important) teaching skill of "presenting an actual, consistent, interrogable worldmodel to the students, rather than a list of isolated factoids to memorize". If you don't have that -- if you're doing the latter -- you're just imposing a huge, tedious workload that doesn't translate into a persistent understanding.