Student here - I was struck by the "summer learning loss" quoted in the article. Everyone I talk to has this, myself included. The greatest reason for this, personally, is subject diffusion. This is especially true from freshman to junior year; we are required to take a dizzying number of classes that not only have nothing to do with our job field, but also have nothing to do with each other. I understand that it's i…
What I think we should instead pay attention to is the rate of re-learning. Something may take significant time and effort to learn the first time, and after say a year or two, one may forget it. But when re-introduced to the concept (when you may actually need it), I think one can re-learn it quite rapidly.