AI use leads UC Berkeley math professor to see 'no point' in grading homework

The irony here is perhaps missed by many. He didn’t grade homework in the first place. He paid assistants to grade. This is common practice among tenured professors with grant money to spend and graduate students beholden to them (I’m not making a moral statement, just noting this is common practice). Aside from the irony that Borcherds probably hasn’t graded a homework set in a while, instead let’s examine the purpose of homework. It helps you learn. You can read a chapter and think you understand the material, but doing homework makes you engage more with the material. Recently we’ve used the external motivator of course points to encourage this good habit. But this turns the relationship between teacher and student into a transaction- you do a problem, you get a point. And most young students really don’t care beyond that transaction. They are going to college to increase their earning potential, and that’s about it. So if we’re not going to rethink the purely transactional relationship schools have with most students, then you probably should stop giving points and grading homework. You have to figure out a new transactional structure that can’t have your tuition made irrelevant by a $20 subscription. That’s possible to figure out. A lot of people have pointed out various equity risks but it’s really just a matter of balancing the AI risk with the equity risk at the weighting acceptable to your institution. You could also attempt the much more challenging prospect of turning the transactional nature of college into some other relationship which fosters a student’s intrinsic motivation of learning for the sake of learning, but I bet your institution goes bankrupt in the process. So really you should just stop grading homework and put 100% of the grade weight into proctored assessments with some sort of firewall against AI tools. Anyone that faces an equity disadvantage because of this was probably also disadvantaged by the fact that you let rich kids with premium AI subscriptions get better grades on their homework.

As an aside, the professor in question is Richard Borcherds, fields medalist. He is probably most well known for proving the “Monstrous Moonshine” conjecture of Conway and Norton that there is some sort of correspondence between modular functions and representations of the Monster Group. When the conjecture was made in the 1970s, it was purely because someone noticed that a certain number was the same as the cardinality of the monster group. It seemed a crazy coincidence, so John H Conway said (playfully) that it was “Moonshine”. Hence the name “Monstrous Moonshine”. https://en.wikipedia.org/wiki/Monstrous_moonshine He has a youtube channel with lectures in number theory, category theory and other things.

This is quite sad. Even if students would cheat off each other, someone had to do the homework. And even the collaboration of cheating on homework always served as a forcing function for me or others to think about the material. If not actively, at least in the form of a quasi background radiation. With AI that is completely gone, and without reward loops for incremental work, the truth is there is a large number of people (especially 18-20 year olds) who will not do well on the exams because they need a bit of a stick. I am not saying this as a black and white statement. I just think there are different cohorts of students based on maturity and self motivation and we might be losing out on one cohort that is at neither extreme.

With some exceptions I think higher education should probably go back to being about academia and not necessarily teaching skills for industry. I think companies can now easily invest in their own extended training and grab people out of high school. Just a thought.

> Borcherds said he currently grades on completion if a student hands in their homework. In high school (2006) my physics teacher gave credit for handing in the homework (he checked it and handed it back, but no grade was assigned). Didn't hand in homework, you got a zero. He knew then that if you assign grades to hw, people will cheat. If I'm paying for Berkeley, the professor have office hours for me to ask questions.