Agreed. The difference is more pronounced in live social situations, and quite easy to quantify in situation such as a proof-heavy mathematics class in college. Many students who have done their work on the problem sets can present a correct solution and if not, usually follow the presented solution. For some, completing the problem sets took more time. Likewise, some people get more out of any spontaneous discussion of the problems. Some relatively rare people would pull out the proofs and points seemingly from thin air: look at the assignment, made some brief notes, and then present their solution intelligibly while talking about it.
Agreed. The difference is more pronounced in live social situations, and quite easy to quantify in situation such as a proof-heavy mathematics class in college. Many students who have done their work on the problem sets can present a correct solution and if not, usually follow the presented solution. For some, completing the problem sets took more time. Likewise, some people get more out of any spontaneous discussion of the problems. Some relatively rare people would pull out the proofs and points seemingly from thin air: look at the assignment, made some brief notes, and then present their solution intelligibly while talking about it.