The "Legacy Solution" Trap: When students copy math that doesn't exist on the paper
I’ve been teaching Physics for nearly two decades, and I’ve seen my share of creative "shortcuts," but this semester gave me a front-row seat to the collapse of academic integrity.
I revised a problem on Electromagnetic Induction, specifically changing a magnetic field time-dependence from a trigonometric function ($B_0 \sin^2(\pi t / \tau)$) to a simple power law ($B(t) = B_0 t^2$).
When grading, I found a student who had transcribed a complete, multi-step solution using the trigonometric version. He was calculating values for $\pi$ and $\tau$ (variables that appeared nowhere in the current exam). He didn’t even read the prompt; he just "pasted" a solution he likely found in a legacy group chat from two years ago.
For me, the immediate response is a genuine sense of anger. It isn't just about the grades or the administrative paperwork. It's the underlying arrogance. It feels like the student is saying: "I am smarter than the system, and I am certainly better than my classmates who are actually doing the work".
It treats the course as a game to be "gamed" rather than a discipline to be mastered.
To my fellow educators: What is your "emotional" response to cheating? Does it still make you angry after all these years, or have you moved into a state of clinical detachment? And for those who have been on the other side of the desk, how do you feel when you see a peer trying to "bypass" the effort you’re putting in?