I'm definitely not advocating berating or trying to diminish the intern's confidence. I'm just suggesting that making the same mistake over and over again is a

I'm definitely not advocating berating or trying to diminish the intern's confidence. I'm just suggesting that making the same mistake over and over again is a major red flag and something interns (and new hires and pretty much everyone) should actively try and avoid. I probably should have added something in the post about having the full-time employee actively teach the way to fix/correct the mistake, which is something that should always happen.