> I pretty much know if I learned the material or not. Yes, but have you never met someone that was convinced they knew the material when they in fact didn't?

> I pretty much know if I learned the material or not. Yes, but have you never met someone that was convinced they knew the material when they in fact didn't? They're everywhere! Accurately assessing oneself is a skill that needs to be taught for a lot of people, and an important part of it is by having people fail tests they're not capable of passing.